SEGMENTED INTRAMEDULLARY IMPLANT

A segmented intramedullary nail having an implantation state in which the segments are relatively moveable to permit conformation to the curvature of a bone during implantation, and a post-implantation state in which the segments are not relatively moveable, and in which the segments retain the configuration of the curvature of the bone. The nail may be radiolucent and/or contain radiopaque markings. It may be provided independently or as part of a kit with an implantation and a tightening tool. A cap and/or one or more sleeves may be provided to prevent bone in-growth at a point of coupling to an insertion tool and/or at the interface between segments. 1. An intramedullary implant comprising:an elongated structure including a proximal end segment and a distal end segment;one or more intermediate segments between the proximal and distal end segments; anda coupling arrangement including a tightening element that extends between the proximal and distal segments,wherein the coupling arrangement provides a first implantation state in which the segments are relatively moveable with respect to each other, to allow conformity to curvature of a bone, and a second post-implantation state in which the segments are geometrically locked together to provide a substantially rigid structure that substantially follows the curvature of the bone which it assumed during implantation;wherein said proximal and distal segments comprise holes configured for receiving locking elements to fix the implanted nail in the bone; said holes arranged such as to provide access from at least four directions; andwherein at least a portion of said segments comprise composite material.2. An implant according to claim 1 , wherein one or more of the surfaces of adjacent segments include surface features configured to help lock the adjacent surface together when the device is in the rigid state claim 1 , whereby the segments remain substantially in the relative positions assumed in the flexible state.3. ...

MIXING APPARATUS

A mixing apparatus comprising: a) a mixing well characterized by an internal volume not exceeding 100 ml; b) a drive mechanism including a stationary circumferential gear on an inner surface of the mixing well; and c) a planetary mixing element driven by a mixing element gear which engages the stationary circumferential gear. 141-. (canceled)42. A mixing apparatus for mixing a high viscosity material , the apparatus comprising:a) a mixing well;b) at least two mixing elements arranged in the mixing well having a side-by-side relationship with a predetermined spacing, each mixing element having a material engaging surface; andc) a drive mechanism connected to each of the at least two mixing elements to move the mixing elements so as to create a velocity gradient in the high viscosity material between the material engaging surfaces of the mixing elements;wherein the velocity gradient results in shearing forces within the high viscosity material sufficient to mix the high viscosity material, the high viscosity material characterized by a viscosity of at least 500 Pascal seconds during mixing.43. The mixing apparatus of claim 42 , wherein one mixing element is a central mixing element positioned substantially in the center of the mixing well.44. The mixing apparatus of claim 43 , wherein one mixing element is a planetary mixing element that revolves around the central mixing element.45. The mixing apparatus of claim 42 , wherein the mixing elements are cylindrical in shape.46. The mixing apparatus of claim 42 , wherein the predetermined distance is about 1 to 5 mm.47. The mixing apparatus of claim 46 , wherein the predetermined distance is about 2 mm.48. The mixing apparatus of claim 42 , wherein the material engaging surfaces are roughened.49. The mixing apparatus of claim 48 , wherein the material engaging surfaces are serrated.50. The mixing apparatus of claim 48 , wherein the roughened surface forms a boundary layer in the material being mixed in proximity to the ...

Multi-layer composite material bone screw

According to some embodiments of the invention there is provided a composite material bone screw comprising: a screw core comprising straight reinforcing fibers arranged along a longitudinal axis of the screw; a winding screw thread surrounding at least a portion of the screw core; a layer intermediate the screw core and the screw thread, the layer comprising reinforcing fibers helically wound in an opposite direction to a winding direction of the screw thread.

Methods, Materials and Apparatus for Treating Bone and Other Tissue

A bone cement comprising a first component and a second component, wherein contacting the first component and the second component produces a mixture which attains a high viscosity an initial period and the viscosity of the mixture remains relatively stable for a working time of at least 5 minutes after the initial setting period, and the mixture is suitable for in-vivo use. 1. A bone cement comprising:a first component; anda second component,wherein, contacting the first component and the second component produces a mixture which attains a viscosity greater than 500 Pascal seconds within an initial period,wherein the viscosity of the mixture remains between 500 and 2000 Pascal seconds for a working time of at least 5 minutes after the initial period, andwherein the mixture is suitable for in-vivo use.2. The bone cement of claim 1 , wherein the working time is at least 8 minutes long.3. The bone cement of claim 1 , wherein the initial period is less than 3 minutes.4. The bone cement of claim 1 , wherein the initial period does not exceed 1 minute.5. The bone cement of claim 1 , wherein the mixture solidifies after the working time.6. The bone cement of claim 1 , wherein the initial period is less than 3 minutes and the mixture solidifies after the working time7. The bone cement of claim 6 , wherein the first component includes PMMA and Barium Sulfate.8. The bone cement of claim 6 , wherein the second component includes MMA and DMPT.9. The bone cement of claim 6 , wherein the first component includes PMMA claim 6 , Barium 30 Sulfate claim 6 , and Benzoyl Peroxide claim 6 , and wherein the second component includes MMA claim 6 , DMPT claim 6 , and Hydroquinone.10. The bone cement of claim 1 , wherein the viscosity of greater than 500 Pascal-second results at least partly from a polymerization reaction.11. A bone cement comprising:a first component; anda second component,wherein, contacting the first component and the second component produces a mixture which attains a ...

Medical sling procedures and anchor insertion methods and devices

A procedure for treating urinary stress incontinence by using bone anchors, whether screw or staple type, with or without suture, inserted pervaginally for use with a sling material for supporting the bladder neck and/or proximal urethra ...

Bone anchor

A novel medical stapler and screw inserter device is disclosed herein wherein the medical instrument is formed in a non-linear or “C” or “V” shaped conformation. The non-linear shape allows the physician to accomplish a per vaginal anchor or screw insertion into a patient's pubic bone, while locating the triggering hand outside of the vagina of the patient and employing a pulling force on the inserter/stapler, against the pubic bone of the patient. In addition, the weight of a patient's body may be used to counterweight the recoil effect to minimize stapler recoil during ejection of a staple from the stapler into a patient. Novel bone anchor screws and a related bone screw driver and a method of inserting it into the pubic bone through the vagina are also described for per vaginal bladder neck suspension procedures.

Medical sling procedures and anchor insertion methods and devices

A procedure for treating urinary stress incontinence by using bone anchors, whether screw or staple type, with or without suture, inserted pervaginally for use with a sling material for supporting the bladder neck and/or proximal urethra.

Spacer filler

A kit, comprising: an expandable spacer; and a quantity of a precursor to a bio-compatible elastic material.

FLUID DELIVERY SYSTEM

A fluid delivery system for dispensing a liquid from a sealed container directly into a closed chamber comprises a container containing a liquid component of bone cement and plugged with a plug, and a closed chamber comprising a receiving port for receiving the sealed container, wherein the receiving port is configured to receive the liquid component in direct response to manual insertion of the sealed container through the receiving port using an open loop system. 18-. (canceled)9. A sealed container comprising:a housing having an open end and configured for containing a liquid monomer; anda sealing member configured to plug the open end, wherein the sealing member includes a self-rupturing mechanism having a closed state and an open state;wherein when the self-rupturing mechanism is in the open state, the liquid monomer flows out of the housing.10. The sealed container according to claim 9 , wherein the sealing member includes a piercing element and a sealing membrane claim 9 , wherein the piercing element is distanced from the sealing membrane in the absence of pressure exerted on the sealing member and wherein the piercing element is configured to engage the sealing membrane in the response to predefined pressure exerted on the sealing member.11. The sealed container according to claim 9 , wherein the piercing element is a hollow needle.12. The sealed container according to claim 9 , wherein the self-rupturing mechanism includes a burst valve.13. The sealed container according to claim 9 , wherein the self-rupturing mechanism includes a collapsible orifice.14. The sealed container according to claim 13 , wherein the collapsible orifice opens in response to a pressure of the liquid in the housing increasing to a predetermined threshold pressure.15. The container according to claim 9 , wherein the housing is configured for being telescopically mounted onto a reception port of a mixing chamber.16. The container according to claim 9 , wherein the housing includes ...

Expandable element

An expandable spacer, comprising: an axial tube having a surface, a proximal end and a distal end and a length, wherein, said surface defines a plurality of slits, said plurality of slits defining at least two axially displaced extensions, such that when said tube is axially compressed, said extensions extend out of said surface and define a geometry of an expanded spacer. Preferably the spacer is adapted to be inserted between two spinal vertebrae of a human.

Tack device

A surgical tack, comprising:a single shaft formed of a bio-compatible material and having a tip adapted for entering and engaging bone; anda head mounted on said shaft, said head adapted for engaging a substrate between said head and said bone. Preferably, said shaft is a separate element from said head. Alternatively or additionally, said head is rotatable relative to said shaft.

Non-linear anchor inserter device and bone anchors

PROSTATIC TISSUE REMOVAL AND/OR PROSTATIC CAPSULOTOMY FOR TREATMENT OF CONDITIONS

Apparatus and methods are provided including identifying a subject as suffering from a disorder of an organ of the subject. In response to the identifying, a shaft is inserted into the organ, not via a natural lumen of the subject. Using a laser beam emitted from a distal portion of the shaft, a portion of the organ is ablated. A vicinity of the portion of the organ is cooled by introducing a fluid to the vicinity, and, subsequently aspirating the fluid therefrom, the introduction and aspiration of the fluid being performed via the shaft, while the shaft is inside the organ. Other embodiments are also described.

Tack device

A method of preparing a sling combination is described. The method comprises the steps of providing a sling formed of a biocompatible material and having a body comprising two ends; mounting the sling on a first tack at a first end of the body of the sling; and mounting the first stack on a tacking device.

Systems for percutaneous bone and spinal stabilization, fixation and repair

Medical sling procedures and anchor insertion methods and devices

A procedure for treating urinary stress incontinence by using bone anchors, whether screw or staple type, with or without suture, inserted pervaginally for use with a sling material for supporting the bladder neck and/or proximal urethra.

Medical sling procedures and anchor insertion methods and devices

A procedure for treating urinary stress incontinence by using bone anchors, whether screw or staple type, with or without suture, inserted pervaginaily for use with a sling material for supporting the bladder neck and/or proximal urethra.

Mixing apparatus having central and planetary mixing elements

A mixing apparatus comprising: a) a mixing well characterized by an internal volume not exceeding 100 ml; b) a drive mechanism including a stationary circumferential gear on an inner surface of the mixing well; and c) a planetary mixing element driven by a mixing element gear which engages the stationary circumferential gear.

Bone anchor inserter with retractable shield

A novel medical stapler and screw inserter device is disclosed herein wherein the medical instrument is formed in a non-linear or "C" or "V" shaped conformation. The nonlinear shape allows the physician to accomplish a per vaginal anchor or screw insertion into a patient's pubic bone, while locating the triggering hand outside of the vagina of the patient and employing a pulling force on the inserter/stapler, against the pubic bone of the patient. In addition, the weight of a patient's body may be used to counterweight the recoil effect to minimize stapler recoil during ejection of a staple from the stapler into a patient. Novel bone anchor screws and a related bone screw driver and a method of inserting it into the pubic bone through the vagina are also described for per vaginal bladder neck suspension procedures.

Tissue growth stimulating system

The present invention provides method of treatment and device, in cases in which bone growth is involved, as a healing or therapeutical process, such as in spinal fusion procedures, filling of skeletal voids and repair of bone fractures. After performing the surgical procedure—which includes insertion of bone graft or filling agents, impregnated or not with blood cells or bone marrow—external oxygen and nutrients are supplied by tube directly into the damaged bone area. This method enables the survival of the implanted cells, accelerates bone generation and by that shortens the recovery time.

Fluid delivery system

A fluid delivery system for dispensing a liquid from a sealed container directly into a closed chamber comprises a container containing a liquid component of bone cement and plugged with a plug, and a closed chamber comprising a receiving port for receiving the sealed container, wherein the receiving port is configured to receive the liquid component in direct response to manual insertion of the sealed container through the receiving port using an open loop system.

Core and shell coupling of a composite material bone implant

Fiber-reinforced polymer matrix composite material bone screws having threads surfaced with a metallic layer are described. In some embodiments, the metallic layer comprises a plurality of anchors placed to engage with the composite material and resist shearing when the bone screw is inserted or removed.

Tack device

A surgical tack, comprising: a single shaft formed of a bio-compatible material and having a tip adapted for entering and engaging bone; and a head mounted on said shaft, said head adapted for engaging a substrate between said head and said bone. Preferably, said shaft is a separate element from said head. Alternatively or additional, said head is rotatable relative to said shaft.

COMPOSITE MATERIAL BONE IMPLANT

A composite bone implant. In some embodiments, one or more features are provided, such as markers for passageways, axial engagement of bone screws, sliding support of bone screws and/or a cannulated channel for a guide wire.

Bone screw with insert

A composite material bone screw comprising an embedded insert. The embedded insert may serve as a thread cutting tool by covering at least one cutting edge of the screw.

Medical sling procedures and anchor insertion methods and devices

A procedure for treating urinary stress incontinence by using bone anchors, whether screw or staple type, with or without suture, inserted pervaginally for use with a sling material for supporting the bladder neck and/or proximal urethra.

Bone cement and methods of use thereof

A bone cement comprising an acrylic polymer mixture which is formulated to have a relatively high viscosity for a relatively long window, due to distributions of molecular weights and/or sizes of acrylic beads.

Instrumentation kit for delivering viscous bone filler material

A bone filler delivery system comprises a longitudinal channel incorporates a perforated segment at least partially along, at or near its distal end. The channel can be sealed at its distal end so the filler material may be delivered only by the lumen and through the perforated segment. Optionally, said system comprises a permeable bag capable of being inserted into a bone while in collapsed configuration and then expanded when filled with bone voids filler. The mesh structure is designed to allow such permeable bag to expand to a predetermined size or shape under certain pressures and allows exudation of bone void filler through its walls. Extracting the permeable bag out of a treated body promotes flow of bone void filler through its pores into cancellous bone and/or cavity in the bone. The procedure promotes height restoration of the bone and introduces filler in a controlled manner.

Medical sling procedures and anchor insertion methods and devices

A procedure for treating urinary stress incontinence by using bone anchors, whether screw or staple type, with or without suture, inserted pervaginally for use with a sling material for supporting the bladder neck and/or proximal uretha.

Method of monitoring volumetric change of a lung

There is provided a method, apparatus, computer program product and wearable device for monitoring volumetric change of a lung during a breathing cycle by using an electronic signal. The method comprises: receiving by a receiver an electronic signal transmitted from a transmitter, wherein at least part of a path of the signal contours at least part of a chest wall of the lung; determining by the receiver measurements of an attribute of the signal received at the beginning and the end of a time interval during the breathing cycle; calculating by a processor a change in length of the signal path during the time interval based on the measurements of the attribute of the signal received at the beginning and the end of the time interval; and calculating by the processor a volumetric change during the time interval based on the change in signal path length.

INSTRUMENTATION KIT FOR DELIVERING VISCOUS BONE FILLER MATERIAL

A bone filler material delivery system comprising a longitudinal channel, wherein said channel incorporates a perforated segment at least partially along, at or substantially near its distal end, and wherein said channel is sealed at its distal end so the filler material may be delivered only by the lumen and through the perforated segment peripheral wall/s. Optionally, said system comprising an expandable-collapsible permeable bag capable of being inserted into a bone while in collapsed configuration and then to expand within the bone when filled with bone voids filler. The mesh structure is designed to allow such permeable bag to expand to a predetermined size or shape under certain pressures, and further allows exudation of said bone void filler through its walls. One satisfactory result is achieved by extracting the permeable bag out of treated body, thus promoting a flow of the bone void filler through its pores into the cancellous bone and/or cavity in the bone. The procedure described ...

Composite material spinal implant

A pedicle screw implant construct kit, comprising at least one pedicle screw, at least one collar comprising a recess for receiving a rod, the collar configured to be coupled to a head of the pedicle screw, an elongated rod for connecting the collar to one more additional collars to couple between the pedicle screw and one or more additional screws, and a locking ring sized to be positioned over at least a distal portion of the collar to restrain relative movement of the screw head and rod by exerting radial compression force onto the collar. In some embodiments, the components of the kit are comprised of carbon reinforced composite material.

Bone anchor

A novel medical stapler and screw inserter device is disclosed herein wherein the medical instrument is formed in a non-linear or "C" or "V" shaped conformation. The non-linear shape allows the physician to accomplish a per vaginal anchor or screw insertion into a patient's pubic bone, while locating the triggering hand outside of the vagina of the patient and employing a pulling force on the inserter/stapler, against the pubic bone of the patient. In addition, the weight of a patient's body may be used to counterweight the recoil effect to minimize stapler recoil during ejection of a staple from the stapler into a patient. Novel bone anchor screws and a related bone screw driver and a method of inserting it into the pubic bone through the vagina are also described for per vaginal bladder neck suspension procedures.

System, assemblies and methods for mechanical-thrust power conversion multifans

A multi-rotor system for providing air thrust is disclosed comprising at least one multi-rotor assembly. The multi-rotor assembly comprising at least two rotors rotatable about a common axis wherein the outer radius of a first rotor, is substantially similar to the inner radius of the second rotor. An airborne vehicle is also disclosed that is adapted to perform vertical takeoff and landing (VTOL). The airborne vehicle comprising at least two multi-rotor system disposed substantially symmetrically around the center of gravity of the vehicle.

Methods and apparatus for correction of urinary and gynecological pathologies, including treatment of male incontinence, and female cystocele

The present invention relates to apparatus and methods for treatment of male incontinence and a method for female cystocele repair in which a sling material is positioned between the descending rami of the pubic bone. In such an operation a “hammock-like” sling material is positioned below the urethra in males, or below the posterior bladder wall in the case of cystocele in females.

BONE CEMENT AND METHODS OF USE THEREOF

A bone cement comprising an acrylic polymer mixture which is formulated to have a relatively high viscosity for a relatively long window, due to distributions of molecular weights and/or sizes of acrylic beads.

Bone anchor inserter with retractable shield

A medical stapler and screw inserter device is disclosed herein wherein the medical instrument is formed in a non-linear or "C" or "V" shaped conformation. The non-linear shape allows the physician to accomplish a per vaginal anchor or screw insertion into a patient's pubic bone, while locating the triggering hand outside of the vagina of the patient and employing a pulling force on the inserter/stapler, against the pubic bone of the patient. In addition, the weight of a patient's body may be used to counterweight the recoil effect to minimize stapler recoil during ejection of a staple from the stapler into a patient. Bone anchor screws and a related bone screw driver and a method of inserting it into the pubic bone through the vagina are also described for per vaginal bladder neck suspension procedures.

MIXING APPARATUS

A mixing apparatus comprising: a) a mixing well characterized by an internal volume not exceeding 100 ml; b) a drive mechanism including a stationary circumferential gear on an inner surface of the mixing well; and c) a planetary mixing element driven by a mixing element gear which engages the stationary circumferential gear. 135-. (canceled)36. An apparatus for transferring a viscous material , the apparatus comprising:a) a first container capable of containing a viscous material;b) a transfer piston insertable in the first container so that the piston forms a circumferential seal with respect to the container, the transfer piston including a hole; andc) a mechanism for attaching an aperture of a second container to the hole in the transfer piston;wherein insertion of the transfer piston into the first container causes the viscous material to pass through the aperture into the second container.37. Apparatus according to claim 36 , adapted to provide sufficient force to cause a viscous material characterized by a viscosity of at least 500 Pascal/second to flow through the aperture of the second container.38. Apparatus according to claim 37 , configured so that manual manipulation of the first container and the transfer piston produces the sufficient force.39. Apparatus according to claim 36 , wherein the transfer piston is adapted to remove at least a portion of the viscous material from a mixing element as the mixing element is removed from the first container.4041-. (canceled) The present application is a divisional of U.S. application Ser. No. 13/571,802, filed Aug. 10, 2012, entitled “MIXING APPARATUS HAVING CENTRAL AND PLANETARY MIXING ELEMENTS,” which is a continuation of U.S. application Ser. No. 11/428,908, filed Jul. 6, 2006, entitled “MIXING APPARATUS HAVING CENTRAL AND PLANETARY MIXING ELEMENTS,” which is a continuation-in-part of U.S. application Ser. No. 11/360,251, filed Feb. 22, 2006, entitled “METHODS, MATERIALS AND APPARATUS FOR TREATING BONE AND ...

GUIDING SYSTEM

A method and system for guiding a drill or nail to intersect both bone and an aperture in an implanted implant. In an exemplary embodiment of the invention, a vector is defined interconnecting a path of a tool or cross-implant and the bone and implanted implant. In an exemplary embodiment of the invention, the vector is defined using a light source and two sensors or a light source and a sensor which is on an opposite side of said bone from said source. 140-. (canceled)41. A guiding system adapted to guide drilling through an aperture in an orthopedic implant , comprising:a frame rigidly interconnecting at least two radiation sources on opposite sides of said aperture and at least two radiation detectors on opposite sides of said aperture, andcircuitry which powers said at least two radiation sources to generate respective radiation beams which are detected by said at least two radiation detectors,wherein said circuitry is arranged to generate an indication of a change in intensity due to alignment of at least one of said beams with said aperture and at least one of the at least two radiation detectors, andwherein said circuitry is arranged to generate a signal indicating if a vector pathway for light interconnects said at least one radiation detector with said aperture.42. The system according to claim 41 , wherein said circuitry is further arranged to generate an indication of a correction to apply to improve said alignment.43. The system according to claim 41 , further comprising a drill guide rigidly coupled to said frame and arranged to be movable along said vector pathway.44. The system according to claim 41 , wherein the radiation sources and detectors operate in at least one of the group consisting of: visible claim 41 , IR claim 41 , NIR claim 41 , UV and ionizing radiation wavebands.45. The system according to claim 41 , wherein the change in intensity and the vector pathway are indicated with respect to at least one of the group consisting of: one of the ...

Soft Tissue to Bone Fixation

A device for forming expansion regions in a bone, comprising, an elongate body having and axis and adapted to fit through a tunnel in a bone; and a head, provided on said body and having outer dimensions not substantially extending trans-axially to said body, wherein said head is rotatable and wherein said head is adapted to widen said tunnel in said bone by at least 10% in conjunction with said rotating.

Stent delivery system

This invention is directed to a stent delivery system for implanting a flexible, generally cylindrical, expandable, coiled stent. The system comprises a catheter defining at least one lumen and having at least two longitudinally displaced openings or sets of openings ,a flexible, self-expandable coiled stent having discrete proximal and distal end sections, said stent being wound circumferentially around said catheter and coils of the stent being more closely wound at the proximal and/or distal end sections, and one or two release wires cooperating with restraining means so that as the release wire or wires are with-drawn proximally, the proximal and distal end sections of the stent are released in such a manner that coils of the stent unwind and the length of the unwound stent is not substantially less than the length of the portion of the unreleased stent that is not more closely wound.

Radiopaque stent markers

Stents which are inserted into a body lumen preferably are made of materials which are not radiopaque enough, such as stainless steel 316L. X-ray visualization of a stent enables an accurate positioning of the stent and also a follow-up of its functioning within the patient's body. The radiopaque markers described here are rivets made of a material which is more radiopaque than the stent substance so the location of the stent can be identified. Preferably the stents are heat treated so that atoms from the stent material migrate into the marker material and vice versa.

Composite material bone implant

A composite bone implant. In some embodiments, one or more features are provided, such as markers for passageways, axial engagement of bone screws, sliding support of bone screws and/or a cannulated channel for a guide wire.

Locking mechanism for intramedullary nails

Intramedullary nail apparatus comprising: an intramedullary nail having an axis, a proximal end, a distal end, a first hole going through the nail at an angle to the axis, and a second hole going through said nail at the same or a different angle to the axis, with the second hole closer to the proximal end than the first hole; a first screw which goes through the first hole; a second screw which goes through the second hole; and a locking mechanism, accessible from the proximal end of the nail, operative to selectively lock in place the first screw.

Tack device with shield

A slotted shield for a surgical tack, including a body adapted to engage a tack head. The shield has at least one slot having a width, defined by the body. Optionally, the shield is mounted on a tack head on which said shield is mounted.

Tack device

A surgical tack is provided that can have a single shaft formed of a bio-compatible material and a tip adapted for entering and engaging bone or tissue; and a head mounted on said shaft.

Bone Cement And Methods Of Use Thereof

A bone cement comprising an acrylic polymer mixture. The cement is characterized in that it achieves a viscosity of at least 500 Pascal-second within 180 seconds following initiation of mixing of a monomer component and a polymer component and characterized by sufficient biocompatibility to permit in-vivo use.

Composite material spinal implant

A pedicle screw implant construct kit, comprising at least one pedicle screw, at least one collar comprising a recess for receiving a rod, the collar configured to be coupled to a head of the pedicle screw, an elongated rod for connecting the collar to one more additional collars to couple between the pedicle screw and one or more additional screws, and a locking ring sized to be positioned over at least a distal portion of the collar to restrain relative movement of the screw head and rod by exerting radial compression force onto the collar. In some embodiments, the components of the kit are comprised of carbon reinforced composite material.

Instrumentation kit for delivering viscous bone filler material

A bone filler material delivery system comprising a longitudinal channel, wherein said channel incorporates a perforated segment at least partially along, at or substantially near its distal end, and wherein said channel is sealed at its distal end so the filler material may be delivered only by the lumen and through the perforated segment peripheral wall/s. Optionally, said system comprising an expandable-collapsible permeable bag capable of being inserted into a bone while in collapsed configuration and then to expand within the bone when filled with bone voids filler. The mesh structure is designed to allow such permeable bag to expand to a predetermined size or shape under certain pressures, and further allows exudation of said bone void filler through its walls. One satisfactory result is achieved by extracting the permeable bag out of treated body, thus promoting a flow of the bone void filler through its pores into the cancellous bone and/or cavity in the bone. The procedure described promotes height restoration of the bone while leaving only filler material inside the body, while introducing it in an enhanced controlled manner.

Composite material bone implant

Radiolucent composite implants. Some embodiments include reconfiguration indicators. Some embodiments include radio-opaque markers, especially along contours. Some embodiments are provided in kit form with accessories such as radiolucent drill guides and/or drives. Some embodiments have fiber reinforcement adapted for various usage scenarios. Some embodiments include metal components, for example, to increase strength. Also described are manufacturing methods.

Method and apparatus for correction for gynecological pathologies including treatment of female cystocele

The present invention relates to apparatus and methods for treatment of male incontinence and a method for female cystocele repair in which a sling material is positioned between the descending rami of the pubic bone. In such an operation a "hammock-like" sling material is positioned below the urethra in males, or below the posterior bladder wall in the case of cystocele in females.

Mixing Apparatus

A mixing apparatus comprising: a) a mixing well characterized by an internal volume not exceeding 100 ml.; b) a drive mechanism including a stationary circumferential gear on an inner surface of the mixing well; and c) a planetary mixing element driven by a mixing element gear which engages the stationary circumferential gear.

Tack Device with Shield

A slotted shield for a surgical tack, including a body adapted to engage a tack head. The shield has at least one slot having a width, defined by the body. Optionally, the shield is mounted on a tack head on which said shield is mounted.

STENT DESIGNS, MATERIALS AND PROCESSING METHODS

Stents and methods for design, usage and manufacture, using novel materials and designs, for example, high yield strength, low Young modulus, cold worked and/or with low elongation requirements.

Methods and apparatus for correction of urinary and gynecological pathologies, including treatment of male incontinence, and female cystocele

The present invention relates to apparatus and methods for treatment of male incontinence and a method for female cystocele repair in which a sling material is positioned between the descending rami of the pubic bone. In such an operation a “hammock-like” sling material is positioned below the urethra in males, or below the posterior bladder wall in the case of cystocele in females.

Medical sling procedures and anchor insertion methods and devices

A procedure for treating urinary stress incontinence by using bone anchors, whether screw or staple type, with or without suture, inserted pervaginally for use with a sling material for supporting the bladder neck and/or proximal urethra.

Assembled Prosthesis Such as a Disc

An artificial disc device, comprising a plurality of interconnected elements, adapted to be assembled in situ.

Material delivery system

A method for injecting a therapeutic agent into a target tissue, the method comprising: (a) providing an expandable member; (b) positioning said expandable member in proximity to the target tissue; (c) Introducing the therapeutic agent into the expandable member until a desired pressure is achieved; and (d) creating a plurality of small apertures in the expandable member.

Biodegradable Closure Device

A biodegradable balloon adapted to exert pressure on a hole formed in a lumen in the body when placed adjacent to the hole, inside the body, and expanded, and adapted to remain in place thereafter and to be absorbed by the body.

Tack device with shield

A slotted shield for a surgical tack, including a body adapted to engage a tack head. The shield has at least one slot having a width, defined by the body. Optionally, the shield is mounted on a tack head on which said shield is mounted.

Marked tools

A surgical apparatus, the apparatus comprising: (a) a cutting tool comprising an axial member with a proximal end and a distal end, the axial member characterized by at least two adjacent axial sections, wherein differences between each of the sections are visually discernible when viewed in a projection x-ray image; and (b) a hollow tube adapted for parallel alignment with the cutting tool and selectively axially positionable to be adjacent at least a selective one of said axial sections and block x-ray radiation from at least one of passing through or passing adjacent said selected section so that said projection indicates a relative axial position of said hollow tube and said cutting tool.

Methods, Materials and Apparatus for Treating Bone and Other Tissue

A bone cement comprising a first component and a second component, wherein contacting the first component and the second component produces a mixture which attains a high viscosity an initial period and the viscosity of the mixture remains relatively stable for a working time of at least 5 minutes after the initial setting period, and the mixture is suitable for in-vivo use. 151-. (canceled)52. A hydraulic delivery system for delivering bone cement to a patient's vertebra , comprising:a hydraulic actuator for generating a fluid pressure;a reservoir having a quantity of bone cement contained therein;a flexible tube connected to the hydraulic actuator and to the reservoir to transmit the fluid pressure from the hydraulic actuator to the reservoir; anda cannula connected to the reservoir such that the fluid pressure from the hydraulic actuator forces bone cement from the reservoir through the cannula;wherein the bone cement has a stable high viscosity during a working time, the viscosity being at least 500 Pascal-seconds and the working time being at least 5 minutes; andwherein the system is configured to deliver the bone cement to a patient's vertebra during the working time.53. The system of claim 52 , wherein the stable viscosity changes by less than 20% during a period of 5 minutes.54. The system of claim 52 , wherein the stable viscosity changes by less than 200 Pascal-seconds during a period of 2 minutes.55. The system of claim 52 , wherein the viscosity is at least 900 Pascal-seconds.56. The system of claim 52 , wherein the viscosity is at least 2000 Pascal-seconds.57. The system of claim 52 , wherein the bone cement is a PMMA bone cement.58. The system of claim 52 , wherein the flexible tube has a length of between 0.2 and 3 meters.59. The system of claim 52 , wherein the flexible tube has a length of between 1 and 2 meters.60. The system of claim 52 , wherein the cannula is a deformable cannula.61. The system of claim 60 , wherein the cannula includes slits.62 ...

Bone cement and methods of use thereof

A bone cement comprising an acrylic polymer mixture which is formulated to have a relatively high viscosity for a relatively long window, due to distributions of molecular weights and/or sizes of acrylic beads.

Multi-layer composite material bone screw

According to some embodiments of the invention there is provided a composite material bone screw comprising: a screw core comprising straight reinforcing fibers arranged along a longitudinal axis of the screw; a winding screw thread surrounding at least a portion of the screw core; a layer intermediate the screw core and the screw thread, the layer comprising reinforcing fibers helically wound in an opposite direction to a winding direction of the screw thread. 1. A composite material bone screw comprising:a screw core comprising straight reinforcing fibers arranged along a longitudinal axis of said screw;a winding screw thread surrounding at least a portion of said screw core;a layer intermediate said screw core and said screw thread, said layer comprising reinforcing fibers helically wound in an opposite direction to a winding direction of said screw thread.2. The screw according to claim 1 , wherein said screw thread comprises reinforcing fibers helically wound in the same direction as said winding direction of said screw thread.3. The screw according to claim 1 , wherein said screw further comprises at least one of a first layer comprising fibers wound at a pitch angle of between +30 to +60° relative to said longitudinal axis claim 1 , and a second layer comprising fibers wound at a pitch angle of between −30 to −60° relative to said longitudinal axis.4. The screw according to claim 3 , wherein said fibers of said first layer are wound at a pitch angle of +45° relative to said longitudinal axis.5. The screw according to claim 3 , wherein said fibers of said second layer are wound at a pitch angle of −45° relative to said longitudinal axis.6. The screw according to claim 3 , wherein said first and/or second layers are intermediate said core and said intermediate layer.7. The screw according to claim 1 , wherein said screw further comprises a layer comprising radiopaque material in the form of powder distributed within said composite material.8. The screw ...

Methods, materials and apparatus for treating bone and other tissue

A method of treating a vertebra, comprising: (a) accessing an interior of a vertebra; and (b) introducing a sufficient amount of artificial biocompatible material which does not set to a hardened condition in storage, into said bone, with sufficient force to move apart fractured portions of said bone.

Methods and apparatus for correction of urinary and gynecological pathologies, including treatment of male incontinence, and female cystocele

The present invention relates to apparatus and methods for treatment of male incontinence and a method for female cystocele repair in which a sling material is positioned between the descending rami of the pubic bone. In such an operation a "hammock-like" sling material is positioned below the urethra in males, or below the posterior bladder wall in the case of cystocele in females.

METHODS, MATERIALS AND APPARATUS FOR TREATING BONE AND OTHER TISSUE

A method of treating a vertebra, comprising: 1. A method of treating a vertebra , comprising:(a) accessing an interior of a vertebra; and(b) introducing a sufficient amount of artificial biocompatible material which does not set to a hardened condition in storage, into said bone, with sufficient force to move apart fractured portions of said bone.2. A method according to claim 1 , wherein said material does not set to a hardened condition after introduction into the body.3. A method according to claim 1 , wherein said material can be stored for over 1 day.4. A method according to claim 1 , wherein said material softens after implantation.5. A method according to claim 1 , wherein said material partly hardens after implantation.6. A method according to claim 1 , wherein said material does set to a hardened condition after introduction into the body.7. A method according to claim 1 , wherein said material does not set to a hardened condition in storage.8. A method according to claim 1 , wherein said material is artificial.9. A method according to claim 1 , wherein said material is a plastically deforming material.10. A method according to claim 9 , wherein said material has a hardness of between 10 A shore and 100 A shore.11. A method according to claim 10 , wherein said material is free of cross-linking higher than type I.12. A method according to claim 10 , wherein said material is thermoplastic.13. A method according to claim 10 , wherein said material comprises LMA (lauryl methacrylate) and MMA (methyl methacrylate).14. A method according to claim 1 , wherein said material is a viscous fluid.15. A method according to claim 14 , wherein said material has a viscosity between 600 Pascal-second and 1 claim 14 ,800 Pascal-second.16. A method according to claim 1 , wherein introducing comprises introducing at a pressure of at least 40 atmospheres.17. A method according to claim 1 , wherein introducing comprises introducing at a pressure of at least 100 atmospheres.18. A ...

Apparatus for transferring a viscous material

An apparatus for transferring a viscous material comprising: a) a first container capable of containing a viscous material; b) a transfer piston insertable in the first container so that the piston forms a circumferential seal with respect to the container, the transfer piston including a hole; and c) a mechanism for attaching an aperture of a second container to the hole in the transfer piston wherein insertion of the transfer piston into the first container causes the viscous material to pass through the aperture into the second container.

EXPANDABLE FILLERS FOR BONE CEMENT

Methods, systems, and mixtures deliver a bone cement to a void in a bone, and provide an expandable filler for expanding the volume of the bone cement. The void in the bone is accessed and a bone cement material is introduced into the void in the bone. An expandable filler is introduced into the void in the bone. The introduction of the filler can take place simultaneously with the introduction of the bone cement or before or after the bone cement. The expandable filler can be expanded and the bone cement can be allowed to set.

Material Delivery System

A balloon for injecting material into a wall of a hollow organ of a human, comprising: an expandable balloon body having a surface and having an axis; at least one predefined ejection port on said body adapted for ejection of fluid therefrom, in a transaxial direction; and an impulse source configured for and adapted to eject material out of said point at a velocity and shape suitable for mechanically penetrating tissue adjacent said port.

Temporary stent system

This application is directed to a stent delivery system for introducing a flexible, generally cylindrical, self-expandable stent. The system comprises a catheter having distal and proximal ends, the catheter defining at least one lumen extending therethrough and having at least three longitudinally displaced openings or sets of openings extending from a lumen to the surface of the catheter; a stent which comprises a generally cylindrical, expandable structure having proximal and distal ends and a flexible member extending proximally from the proximal end of the structure, the stent being wound circumferentially around the catheter, and having restraining means holding each of the proximal and distal ends of the stent to the catheter, and one or more restraining means holding at least a portion of the flexible member to the catheter surface; and one or two release wires positioned in and extending longitudinally through at least one lumen, the release wires cooperating with the restraining ...

Composite implant coating

A coating layer, for example PEEK or titanium foil, shields a bone implant surface from wearing interactions with surfaces of bone and/or other implants. The coating prevents shedding particles which are difficult to distinguish from evidence of potentially dangerous conditions, for example, microorganism contamination and/or degenerating tissue. Methods and structures for securing a coating layer are described. Other uses and implementations of coating layers are described.

Methods and apparatus for correction of urinary and gynecological pathologies, including treatment of male incontinence and female cystocele

The present invention relates to apparatus and methods for treatment of male incontinence and a method for female cystocele repair in which a sling material is positioned between the descending rami of the pubic bone. In such an operation a hammock-like sling material is positioned below the urethra in males, or below the posterior bladder wall in the case of cystocele in females.

Bone suturing device

A bone boring device and method, the device comprising a hinge, a handle coupled to the hinge, and at least one curved needle with a tip. The needle is rotatably mounted on the hinge such that when the tip is placed against bone and the needle is rotated on the hinge, the needle is urged and advanced into the bone. Preferably, the at least one needle is a first and a second needle. Alternatively, the needles may rotate about the same hinge or different hinges.

Mixing apparatus having central and planetary mixing elements

A mixing apparatus comprising: a) a mixing well characterized by an internal volume not exceeding 100 ml.; b) a drive mechanism including a stationary circumferential gear on an inner surface of the mixing well; and c) a planetary mixing element driven by a mixing element gear which engages the stationary circumferential gear.

Bone suturing device

A bone boring device and method, the device comprising a hinge, a handle coupled to the hinge, and at least one curved needle with a tip. The needle is rotatably mounted on the hinge such that when the tip is placed against bone and the needle is rotated on the hinge, the needle is urged and advanced into the bone. Preferably, the at least one needle is a first and a second needle. Alternatively, the needles may rotate about the same hinge or different hinges.

Fluid Delivery System

A fluid delivery system for dispensing a liquid from a sealed container directly into a closed chamber comprises a container containing a liquid component of bone cement and plugged with a plug, and a closed chamber comprising a receiving port for receiving the sealed container, wherein the receiving port is configured to receive the liquid component in direct response to manual insertion of the sealed container through the receiving port using an open loop system.

Multi-layer composite material bone screw

Composite material screws and construction techniques are described comprising reinforcing fibers directed in different winding directions and/or angles at different layers (radial depths) of the screw. Optionally, the screw comprises composite material layers wound with fibers at both the pitch of the thread of the screw and at a steeper pitch (for example, about 45°). Optionally, an outer layer of the screw comprises a relative radiolucent construction and/or material, with a more radiopaque construction and/or material positioned underneath the outer layer such that at least a portion of the screw outline is delineated by a radioimaging technique (for example, fluoroscopy, CT, or MRI), while maintaining a sufficiently artifact-free image around the screw that the image characteristics of the surrounding tissue are still determinable.

Variable flexibility stent

A stent (1) is provided for having variable flexibility and stiffness along its length. The stent (1) comprises portions (5, 7, 9, 11, 13, 15) of the stent having different bending and durability characteristics, and may be fabricated, using any of a variety of methods out of any of a variety of materials.

Core and shell coupling of a composite material bone implant

Fiber-reinforced polymer matrix composite material bone screws having threads surfaced with a metallic layer are described. In some embodiments, the metallic layer comprises a plurality of anchors placed to engage with the composite material and resist shearing when the bone screw is inserted or removed.

Methods, materials and apparatus for treating bone and other tissue

A bone cement comprising a first component and a second component, wherein contacting the first component and the second component produces a mixture which attains a high viscosity an initial period and the viscosity of the mixture remains relatively stable for a working time of at least 5 minutes after the initial setting period, and the mixture is suitable for in-vivo use.

Method of monitoring volumetric change of a lung

There is provided a method, apparatus, computer program product and wearable device for monitoring volumetric change of a lung during a breathing cycle by using an electronic signal. The method comprises: receiving by a receiver an electronic signal transmitted from a transmitter, wherein at least part of a path of the signal contours at least part of a chest wall of the lung; determining by the receiver measurements of an attribute of the signal received at the beginning and the end of a time interval during the breathing cycle; calculating by a processor a change in length of the signal path during the time interval based on the measurements of the attribute of the signal received at the beginning and the end of the time interval; and calculating by the processor a volumetric change during the time interval based on the change in signal path length.

Methods, materials and apparatus for treating bone and other tissue

A method of treating a vertebra, comprising: (a) accessing an interior of a vertebra; and (b) introducing a sufficient amount of artificial biocompatible material which does not set to a hardened condition in storage, into said bone, with sufficient force to move apart fractured portions of said bone.

MARKED TOOLS

A surgical apparatus, the apparatus comprising: (a) a cutting tool comprising an axial member with a proximal end and a distal end, the axial member characterized by at least two adjacent axial sections, wherein differences between each of the sections are visually discernible when viewed in a projection x-ray image; and (b) a hollow tube adapted for parallel alignment with the cutting tool and selectively axially positionable to be adjacent at least a selective one of said axial sections and block x-ray radiation from at least one of passing through or passing adjacent said selected section so that said projection indicates a relative axial position of said hollow tube and said cutting tool.

Methods, Materials and Apparatus for Treating Bone and Other Tissue

A method of treating a vertebra, comprising: (a) accessing an interior of a vertebra; and (b) introducing a sufficient amount of artificial biocompatible material which does not set to a hardened condition in storage, into said bone, with sufficient force to move apart fractured portions of said bone.

Temperature Control System

A method of regulating a setting time of a bone filler material, the method comprising: (a) combining at least two filler material components to form a biocompatible mixture; (b) choosing a setting time for the mixture; and (c) regulating a temperature of the mixture to influence reaction kinetics so that the mixture does not set before the chosen setting time. 17-. (canceled)8. Apparatus for regulating setting time of a bone filler material mixture in a bone filler material injection system , the apparatus comprising:(a) a reservoir in the bone filler material injection system;(b) a cooling mechanism adapted to cool a bone filler material mixture in the reservoir as a portion of the mixture is injected into a patient; and(c) control circuitry adapted to output a control signal to the cooling mechanism so that the mixture does not set before a minimum setting time.9. Apparatus according to claim 8 , wherein the control circuitry is adapted to receive a data input pertaining to a minimum setting time.10. Apparatus according to claim 8 , comprising:(d) a data input device calibrated so that a user can select a minimum setting time.11. Apparatus according to claim 10 , comprising wherein the data input device is calibrated with a continuous time scale.12. Apparatus according to claim 10 , comprising wherein the data input device is calibrated in a scale having discrete steps of time.13. Apparatus according to claim 8 , comprising:(d) a data input device adapted for input of data pertaining to the mixture.14. Apparatus according to claim 13 , wherein the data pertains to a ratio of components of the mixture.15. Apparatus according to claim 13 , wherein the data pertains to a volume of the mixture.16. Apparatus according to claim 13 , wherein the data pertains a chemical composition of the mixture.17. Apparatus according to claim 13 , wherein the data pertains to physical characteristics of at least one component of the mixture .18. Apparatus according to claim 8 , ...

Cannula

A bone cement cannula, the cannula comprising: a tube including a section adapted for plastic deformation; and a lumen in the tube capable of resisting forces of a viscous material propelled therethough at a pressure of at least 100 atmospheres.

Methods, materials and apparatus for treating bone and other tissue

A method of treating a vertebra, comprising: (a) accessing an interior of a vertebra; and (b) introducing a sufficient amount of artificial biocompatible material which does not set to a hardened condition in storage, into said bone, with sufficient force to move apart fractured portions of said bone.

Fluid Delivery Apparatus And Methods

A pressure sensitive valve comprising: (a) an outer balloon adapted for intravascular insertion comprising at least one hole adapted for ejection of a fluid; (b) an inner structure adapted to substantially fill the outer balloon; (c) at least one selectively blockable flow path between the outer balloon and the inner structure, at least some of the at least one flow path in fluid communication with at least one of the at least one hole; (d) an inlet port to the at least one flow path; and (e) a pressure source operable to provide a fluid at least at a selected injection pressure to the inlet port. A flow of the fluid along the at least one selectively blockable flow path to the at least one hole is prevented when the pressure source provides any pressure below the selected injection pressure and a flow of the fluid along the at least one selectively blockable low path to the at least one hole occurs when the pressure source provides pressure at or above the selected injection pressure.

Tack device with shield

A slotted shield for a surgical tack, including a body adapted to engage a tack head. The shield has at least one slot having a width, defined by the body. Optionally, the shield is mounted on a tack head on which said shield is mounted.

Method for correction of urinary and gynecological pathologies including treatment of incontinence

The present invention relates to apparatus and methods for treatment of male incontinence and a method for female cystocele repair in which a sling material is positioned between the descending rami of the pubic bone. In such an operation a "hammock-like" sling material is positioned below the urethra in males, or below the posterior bladder wall in the case of cystocele in females.

Plate device

A hip plate, comprising: a plate body adapted to be attached to a femur or other bone; and at least one lag screw adapted for insertion into a femoral head or other bone protrusion and rotationally lockable to said plate.

MICROPOROUS BALLOON CATHETER

A method and system for delivering a medicament into tissue, for example via a balloon with small pores. Optionally, the pressure used is high enough to cause jetting, but the pore sizes, pore density, pressure and/or delivery time are such that the jetting do not cause unacceptable tissue damage. Optionally, the pores are smaller than 2 microns, are between 300 and 600 per square centimeter and the pressure is above 8 atmospheres.

Radiopaque stent markers

Stents which are inserted into a body lumen preferably are made of materials which are not radiopaque enough, such as S.S. 316L. X-ray visualization of a stent enables an accurate positioning of the stent and also a follow-up of its functioning within the patient's body. The radiopaque markers described here are rivets made of a material which is more radiopaque than the stent substance so the location of the stent can be identified.

EXPANDABLE INTRAMEDULLARY NAIL FOR SMALL BONE FIXATION

The present invention provides method and device for fixating a fractured bone by inflating an intramedullary nail using a manually operated nail inflation syringe. Optionally, the nail is provided attached to an insertion device that may also function as the inflation syringe. The two attached items are preferably provided as a single detachable elementsterile and ready for use.

BONE IMPLANT

A method of long bone strengthening and a composite implant for such strengthening. Also disclosed is a kit for building a composite implant in-situ in long bones. In an exemplary embodiment of the invention, the implant comprises a plurality of rigid tensile rods, in matrix of cement and surrounded by a partially porous bag.

Temperature control system

A method of regulating a setting time of a bone filler material, the method comprising: (a) combining at least two filler material components to form a biocompatible mixture; (b) choosing a setting time for the mixture; and (c) regulating a temperature of the mixture to influence reaction kinetics so that the mixture does not set before the chosen setting time.

Bone anchor inserter with retractable shield

A novel medical stapler and screw inserter device is disclosed herein wherein the medical instrument is formed in a non-linear or “C” or “V” shaped conformation. The nonlinear shape allows the physician to accomplish a per vaginal anchor or screw insertion into a patient's pubic bone, while locating the triggering hand outside of the vagina of the patient and employing a pulling force on the inserter/stapler, against the pubic bone of the patient. In addition, the weight of a patient's body may be used to counterweight the recoil effect to minimize stapler recoil during ejection of a staple from the stapler into a patient. Novel bone anchor screws and a related bone screw driver and a method of inserting it into the pubic bone through the vagina are also described for per vaginal bladder neck suspension procedures.

Methods and Apparatus for Correction of Urinary and Gynecological Pathologies, including Treatment of Male Incontinence, and Female Cystocele

The present invention relates to apparatus and methods for treatment of male incontinence and a method for female cystocele repair in which a sling material is positioned between the descending rami of the pubic bone. In such an operation a “hammock-like” sling material is positioned below the urethra in males, or below the posterior bladder wall in the case of cystocele in females.

System for bone screw insertion

A novel medical stapler and screw inserter device is disclosed herein wherein the medical instrument is formed in a non-linear or "C" or "V" shaped conformation. The non-linear shape allows the physician to accomplish a per vaginal anchor or screw insertion into a patient's pubic bone, while locating the triggering hand outside of the vagina of the patient and employing a pulling force on the inserter/stapler, against the pubic bone of the patient. In addition, the weight of a patient's body may be used to counterweight the recoil effect to minimize stapler recoil during ejection of a staple from the stapler into a patient. Novel bone anchor screws and a related bone screw driver and a method of inserting it into the pubic bone through the vagina are also described for per vaginal bladder neck suspension procedures.

Material delivery system

A method for injecting a therapeutic agent into a target tissue, the method comprising: (a) providing an expandable member; (b) positioning said expandable member in proximity to the target tissue; (c) Introducing the therapeutic agent into the expandable member until a desired pressure is achieved; and (d) creating a plurality of small apertures in the expandable member.

INSTRUMENTATION KIT FOR DELIVERING VISCOUS BONE FILLER MATERIAL

A bone filler delivery system comprises a longitudinal channel incorporates a perforated segment at least partially along, at or near its distal end. The channel can be sealed at its distal end so the filler material may be delivered only by the lumen and through the perforated segment. Optionally, said system comprises a permeable bag capable of being inserted into a bone while in collapsed configuration and then expanded when filled with bone voids filler. The mesh structure is designed to allow such permeable bag to expand to a predetermined size or shape under certain pressures and allows exudation of bone void filler through its walls. Extracting the permeable bag out of a treated body promotes flow of bone void filler through its pores into cancellous bone and/or cavity in the bone. The procedure promotes height restoration of the bone and introduces filler in a controlled manner. 1. A device for filling a void in a patient's bone with bone void filler , comprising:a. a sleeve for receiving bone void filler;b. a cannula for extending into the bone and for guiding the sleeve to the void; andc. an elongate body insertable through the sleeve and configured to stretch the sleeve along a longitudinal axis thereof.2. The device of claim 1 , wherein said sleeve is permeable to the bone void filler so that the bone void filler may flow into the void when pressure is applied thereto.3. The device of claim 1 , further comprising an injection needle for extending into said sleeve for injecting the bone void filler therein.4. The device of claim 1 , further comprising a pressurizing device for delivering the bone void filler into said sleeve.5. The device of claim 4 , wherein said sleeve is adapted for retaining most of the bone void filler therein until said sleeve is withdrawn from said cannula.6. The device of claim 4 , wherein said pressurizing device delivers pressure exceeding about 20 Atm.7. The device of claim 4 , wherein said pressurizing device delivers pressure ...

COMPOSITE MATERIAL BONE IMPLANT

Radiolucent composite implants. Some embodiments include reconfiguration indicators. Some embodiments include radio-opaque markers, especially along contours. Some embodiments are provided in kit form with accessories such as radiolucent drill guides and/or drives. Some embodiments have fiber reinforcement adapted for various usage scenarios. Some embodiments include metal components, for example, to increase strength. Also described are manufacturing methods. 154-. (canceled)55. A bone implant kit comprising:a bone-supporting component formed mainly of a fiber-reinforced polymer composite, in the form of a radiolucent bone plate with a plurality of locations designated for attaching a fixation component therethrough;one or more fixation components for the bone-supporting component; anda radiolucent drill guide configured to attach to said bone plate component and configured to facilitate drilling for insertion of the fixation components.56. A bone implant kit according to claim 55 , wherein the bone-supporting component includes pre-drilled passages for the fixation components so that only the bone needs to be drilled during the implantation procedure.57. A bone implant kit combination according to claim 56 , wherein the bone-supporting component is supplied with at least one undrilled hole claim 56 , and both the bone and passages for the fixation components are drilled during the implantation procedure.58. A bone implant kit according to claim 55 , further including an arrangement for removing drilling debris created by drilling for insertion of a bone implant comprising a suction element configured for connection to a source of suction and for disposal of a suction port on the suction element adjacent to a drill bit during drilling.59. A bone implant kit according to claim 55 , further including an arrangement providing irrigation fluid to a drilling site comprising an irrigation element configured for connection to a source of irrigation fluid claim 55 ,wherein ...

Multi-axial bone plate fixation

A bone repair kit, comprising: (a) a composite material bone plate having at least one hole; and (b) at least one fixation component sized for locking in said hole and having a head, wherein said head has a geometry including at least one protrusion, which geometry does not match a geometry of said hole. This mismatch can support locking at a range of angles, such as 5-15 degrees between the fixation component and an axis of the hole.

BONE SCREW HEAD DESIGN

A screw head design, usable for composite material bone screws, in which compression forces applied to the screw head are reduced by one or more of location, size and/or shape of screw head design. In some embodiments, load bearing recesses are located closer to an outer circumference of a screw head than to its central axis. 1. An orthopedic screw formed at least in part of a composite or polymer material , comprising:(a) a generally cylindrical body defining an axis and including at least a partial threading thereon;(b) a tip at a distal side of the body;(c) a head at a proximal side of the body, said head having a maximal radius and defining at least one receptacle in the form of a recess, for a blade of a screwdriver,wherein said recess includes a load bearing section adapted to engage said blade and which is closer to a circumference of said screw head than to an axis of said body.2. A screw according to claim 1 , wherein said screw is at least 90% by volume formed of a composite material or polymer.3. A screw according to claim 1 , wherein said load bearing section is within 40% of said maximal radius from a circumference of said screw head.4. A screw according to claim 1 , wherein said load bearing section is within 30% of said maximal radius from a circumference of said screw head.5. A screw according to claim 1 , wherein all of the load bearing sections of said screw head are at least 20% of said maximal radius distanced from said axis.6. A screw according to claim 1 , wherein at least 50% of the load bearing sections of said screw head are at least 40% of said maximal radius distanced from said axis.7. A screw according to claim 1 , comprising a plurality of recesses which are not connected.8. A screw according to claim 7 , comprising at least 3 unconnected recesses.9. A screw according to claim 7 , wherein a shape of said recesses is substantially circular.10. A screw according to claim 7 , wherein at least one of said recesses extends more in a ...

BONE SCREW WITH INSERT

A composite material bone screw comprising an embedded insert. The embedded insert may serve as a thread cutting tool by covering at least one cutting edge of the screw. 1. A composite material bone screw comprising an insert , said insert at least partially embedded within said screw.2. The insert according to claim 1 , wherein a portion of said insert covers at least one cutting edge of said screw.3. The insert according to claim 2 , wherein said portion is an extension of said insert.4. The insert according to claim 3 , wherein said insert comprises a plurality of extensions for covering at least one cutting edge intended for self tapping.5. The insert according to claim 3 , wherein said extension is shaped according to a cross-section of a thread of said screw.6. The insert according to claim 3 , wherein said extension covers at least a perimeter of a cutting edge of said screw.7. The insert according to claim 1 , wherein said insert is sandwiched between two portions of said screw.8. The insert according to claim 1 , wherein said insert is flat.9. The insert according to claim 1 , wherein at least 50% of the surface area of said insert contacts said composite material of the screw.10. The insert according to claim 1 , wherein said insert extends at least 3 mm along a long axis of the screw.11. The insert according to claim 1 , wherein said insert extends at least 2 mm along a diameter of the screw.12. The insert according to claim 10 , wherein said insert extends to the distal tip of said screw.13. The screw according to claim 1 , wherein said composite material is made of an elongated fiber-reinforced polymer matrix.14. The insert according to claim 1 , wherein said insert is harder than a cortical bone.15. The insert according to claim 1 , wherein said insert is harder than said composite material of said screw.16. The screw according to claim 1 , wherein at least one of said screw and insert comprises a radiopaque material thick enough for visualizing under ...

PLATE WITH CONTOUR

A bone plate formed of a fiber-reinforced polymer composite, comprising a radiopaque marker that delineates at least a part of the contour of the plate. In some embodiments, the radiopaque marker comprises a metal wire section embedded proximal to an edge of the contour, for example at a distance of 1 mm from an edge of the contour. In some embodiments, the radiopaque marker extends along a head portion of the plate, and/or along a stem portion of the plate. In some embodiments, the metal wire is formed as an intermittent line. Alternatively, the wire is formed as a continuous line. 1. A bone implant component comprising a bone plate formed of a fiber-reinforced polymer composite ,wherein the bone plate comprises at least one radiopaque marker that delineates at least a part of the contour of plate, said marker comprising a metal wire section embedded proximal to an edge of said contour.2. The bone implant component according to claim 1 , wherein said radiopaque marker delineates 60% or more of the contour of the plate.3. The bone implant component according to claim 1 , wherein said bone plate comprises a head portion claim 1 , and said radiopaque marker extends around at least a part of the contour of the head portion.4. The bone implant component according to claim 1 , wherein said bone plate comprises a stem portion claim 1 , and said radiopaque marker extends around at least a part of the contour of the stem portion.5. The bone implant component according to claim 1 , wherein said radiopaque marker is embedded on a side of said bone plate facing outward after implantation.6. The bone implant component according to claim 1 , wherein said radiopaque marker is embedded at a distance of less than 1 mm from an edge of said contour.7. The bone implant component according to claim 1 , wherein a radiopaque marker indicates a projection of said implant.8. The bone implant component according to claim 1 , wherein an arrangement of radiopaque markers is provided to ...

SELF TAPPING INSERT

A fixation component for a bone-supporting component of a bone implant, comprising a body including a core, and a head portion. A distal end of the component comprises an insert formed of a hard material, which covers a portion of the distal end, and acts a thread cutting tool. In some embodiments, the insert comprises a planar portion abutting against a material of the fixation component. In some embodiments, the fixation component is a screw, and the insert covers at least a portion of a cutting edge of the screw. 1. A fixation component for a bone-supporting component of a bone implant comprising:a body including a core, and a head portion,wherein said body is formed of a fiber-reinforced polymer composite; andan insert formed of a hard material; said insert located at a distal end of said component, covering only a portion of said distal end, and acting as a thread cutting tool.2. The fixation component according to claim 1 , wherein said insert comprises at least one planar portion abutting against a material of said fixation component.3. The fixation component according to claim 1 , wherein said insert is made of a material with higher hardness than that of the rest of the fixation component to enhance self-tapping capability.4. The fixation component according to claim 1 , wherein said insert is made of a material with higher hardness than that of a cortical bone.5. The fixation component according to claim 1 , wherein said insert is made of ceramic material.6. The fixation component according to claim 1 , wherein said insert is made of metal.7. The fixation component according to claim 1 , comprising a plurality of inserts at a distal end of the component.8. The fixation component according to claim 1 , wherein said insert is attached to said distal end of the component using adhesion.9. The fixation component according to claim 1 , wherein said insert is attached to said distal end of the component using a geometric connection.10. The fixation component ...

Methods, Materials and Apparatus for Treating Bone and Other Tissue

A method of treating a vertebra, comprising: 1. A method of treating a vertebra , comprising:(a) accessing an interior of a vertebra; and(b) introducing a sufficient amount of artificial biocompatible material which does not set to a hardened condition in storage, into said bone, with sufficient force to move apart fractured portions of said bone.2. A method according to claim 1 , wherein said material does not set to a hardened condition after introduction into the body.3. A method according to claim 1 , wherein said material can be stored for over 1 day.4. A method according to claim 1 , wherein said material softens after implantation.5. A method according to claim 1 , wherein said material partly hardens after implantation.6. A method according to claim 1 , wherein said material does set to a hardened condition after introduction into the body.7. A method according to claim 1 , wherein said material does not set to a hardened condition in storage.8. A method according to claim 1 , wherein said material is artificial.9. A method according to claim 1 , wherein said material is a plastically deforming material.10. A method according to claim 9 , wherein said material has a hardness of between 10 A shore and 100 A shore.11. A method according to claim 10 , wherein said material is free of cross-linking higher than type I.12. A method according to claim 10 , wherein said material is thermoplastic.13. A method according to claim 10 , wherein said material comprises LMA (lauryl methacrylate) and MMA (methyl methacrylate).14. A method according to claim 1 , wherein said material is a viscous fluid.15. A method according to claim 14 , wherein said material has a viscosity between 600 Pascal-second and 1 claim 14 ,800 Pascal-second.16. A method according to claim 1 , wherein introducing comprises introducing at a pressure of at least 40 atmospheres.17. A method according to claim 1 , wherein introducing comprises introducing at a pressure of at least 100 atmospheres.18. A ...

Devices, assemblies, kits, systems and methods for shaping of elongated elements containing thermoplastic polymers

Devices, assemblies, kits, systems and methods for shaping of elongated elements containing thermoplastic polymers are disclosed.

CORE AND SHELL COUPLING OF A COMPOSITE MATERIAL BONE IMPLANT

Fiber-reinforced polymer matrix composite material bone screws having threads surfaced with a metallic layer are described. In some embodiments, the metallic layer comprises a plurality of anchors placed to engage with the composite material and resist shearing when the bone screw is inserted or removed. 1. A bone screw having screw threads for rotating insertion to a bone , the bone screw comprising:a body formed from composite material comprising a fiber-reinforced polymer matrix; anda metallic layer surfacing the body with a plurality of overlapping metallic plies, said metallic layer covering said screw threads;wherein said metallic layer resists a shearing force applied to the metallic layer when the screw is rotated within the bone.2. The bone screw according to claim 1 , wherein a free edge of an overlap region of the metallic plies is located at a portion of a thread valley between adjacent said screw threads.3. The bone screw according to claim 1 , wherein the metallic layer comprises at least one from among the group comprising titanium and a titanium alloy.4. The bone screw according to claim 3 , wherein the titanium or titanium alloy is anodized.5. The bone screw according to claim 1 , wherein said metallic layer comprises Ti6Al4V.6. The bone screw according to claim 1 , wherein the metallic layer has a thickness in the range of from 0.1-0.02 mm.7. The bone screw according to claim 1 , wherein at least some consecutive said overlapping metallic plies are attached to each other or to said screw body in a region of overlap by one of laser welding claim 1 , sputter coating claim 1 , electroplating claim 1 , and another method where a sheet of metal forms on the device itself.8. The bone screw according to claim 1 , wherein the screw is cannulated.9. The bone screw according to claim 1 , wherein the plurality of overlapping metallic plies comprise a strip wound around the body.10. The bone screw according to claim 9 , wherein a first portion of the strip ...

COMPOSITE MATERIAL SPINAL IMPLANT

A pedicle screw implant construct kit, comprising at least one pedicle screw, at least one collar comprising a recess for receiving a rod, the collar configured to be coupled to a head of the pedicle screw, an elongated rod for connecting the collar to one more additional collars to couple between the pedicle screw and one or more additional screws, and a locking ring sized to be positioned over at least a distal portion of the collar to restrain relative movement of the screw head and rod by exerting radial compression force onto the collar. In some embodiments, the components of the kit are comprised of carbon reinforced composite material. 1. A pedicle screw implant construct kit , comprising:at least one pedicle screw including a head, said screw comprising composite material including reinforcing filaments embedded in a polymer matrix;at least one collar, said collar comprising composite material including reinforcing filaments embedded in a polymer matrix, said collar including at least one recess defining a cavity shaped and sized for receiving a rod, said collar sized, shaped and configured to be coupled to said head of said pedicle screw;an elongated rod sized and shaped for connecting said collar to one or more additional collars, thereby coupling between said at least one pedicle screw and one or more additional screws, said rod comprising composite material including reinforcing filaments embedded in a polymer matrix; andat least one locking ring, said ring comprising composite material including reinforcing filaments embedded in a polymer matrix, said ring sized and shaped to be positioned over at least portion of said collar and restrict relative movement of the screw head and rod by exerting radial compression force onto said collar.2. The kit according to claim 1 , wherein said collar comprises at least two portions that are movable towards each other in a direction perpendicular to a long axis of said collar.3. The kit according to claim 1 , wherein ...

COMPOSITE MATERIAL BONE IMPLANT

Radiolucent composite implants. Some embodiments include reconfiguration indicators. Some embodiments include radio-opaque markers, especially along contours. Some embodiments are provided in kit form with accessories such as radiolucent drill guides and/or drives. Some embodiments have fiber reinforcement adapted for various usage scenarios. Some embodiments include metal components, for example, to increase strength. Also described are manufacturing methods. 1. A bone implant comprising:a bone-supporting component comprising a fiber-reinforced polymer matrix composite;a fixation component configured to be received in a passage in the bone-supporting component; anda sleeve between the fixation component and the passage;wherein the sleeve and fixation component are configured to slide in relation to one another while the fixation component is received in the passage and the bone implant is fully implanted.2. The bone implant of claim 1 , comprising a locking element which limits sliding of the sleeve and fixation component in relation to one another to a pre-defined travel.3. The bone implant of claim 2 , wherein the locking element engages with a slot in the fixation component to limit the sliding of the sleeve.4. The bone implant of claim 3 , wherein said locking element passes through a window in the sleeve to engage the slot in the fixation component.5. The bone implant of claim 1 , wherein the sliding in relation to one another is along a longitudinal extent of the passage.6. The bone implant of claim 1 , wherein the bone-supporting component comprises an intramedullary bone nail.7. The bone implant of claim 6 , wherein the sleeve extends through the intramedullary bone nail at a non-perpendicular angle to a longitudinal axis of the intramedullary bone nail defined at the position of the passage.8. The bone implant of claim 1 , wherein the sleeve is configured to reduce friction-induced wear between the fixation component and the passage.9. A bone implant ...

COMPOSITE MATERIAL SPINAL IMPLANT

A pedicle screw implant construct kit, comprising at least one pedicle screw, at least one collar comprising a recess for receiving a rod, the collar configured to be coupled to a head of the pedicle screw, an elongated rod for connecting the collar to one more additional collars to couple between the pedicle screw and one or more additional screws, and a locking ring sized to be positioned over at least a distal portion of the collar to restrain relative movement of the screw head and rod by exerting radial compression force onto the collar. In some embodiments, the components of the kit are comprised of carbon reinforced composite material. 1. A pedicle screw implant construct kit , comprising:at least one pedicle screw including a head;at least one collar, said collar including at least one recess defining a cavity shaped and sized for receiving a rod, said collar sized, shaped and configured to be coupled to said head of said pedicle screw;an elongated rod sized and shaped for connecting said collar to one or more additional collars, thereby coupling between said at least one pedicle screw and one or more additional screws; andat least one locking ring, said ring sized and shaped to be positioned over at least portion of said collar and restrict relative movement of the screw head and rod by exerting radial compression force onto said collar;wherein each of said components of the kit does not comprise metal or comprises a low enough metal content so as not to substantially interfere with visualization of the spine under one or both of CT and MRI imaging.2. The kit according to claim 1 , wherein said metal content is low enough to allow imaging with one or both of CT and MRI at a distance of at least 1.5 mm from said construct.3. The kit according to claim 1 , wherein said elongated rod is formed only of a fiber-reinforced composite material.4. The kit according to claim 1 , wherein all of said kit components are formed only of a fiber-reinforced composite ...

METHOD OF MONITORING VOLUMETRIC CHANGE OF A LUNG

There is provided a method, apparatus, computer program product and wearable device for monitoring volumetric change of a lung during a breathing cycle by using an electronic signal. The method comprises: receiving by a receiver an electronic signal transmitted from a transmitter, wherein at least part of a path of the signal contours at least part of a chest wall of the lung; determining by the receiver measurements of an attribute of the signal received at the beginning and the end of a time interval during the breathing cycle; calculating by a processor a change in length of the signal path during the time interval based on the measurements of the attribute of the signal received at the beginning and the end of the time interval; and calculating by the processor a volumetric change during the time interval based on the change in signal path length. 1. A method of detecting a breathing pattern during one or more breathing cycles by using an electronic signal , the method comprising:receiving by a receiver an electronic signal transmitted from a transmitter, wherein a path of the electronic signal contours at least part of a circumference of a chest wall;determining by the receiver measurements of an attribute of the electronic signal received at the beginning and the end of a time interval during a breathing cycle of the one or more breathing cycles;calculating by a processor a change in length of the path of the electronic signal during the time interval based on the measurements of the attribute of the electronic signal; anddetecting by the processor a breathing pattern based on the change in length of the path of the electronic signal.2. The method of claim 1 , wherein the breathing pattern is selected from a set of pre-defined breathing patterns including pathological breathing patterns.3. The method of claim 1 , wherein the electronic signal is a radio frequency (RF) signal.4. The method of claim 3 , wherein the RF signal is selected such that a carrier ...

COMPOSITE MATERIAL BONE IMPLANT

A composite bone implant. In some embodiments, one or more features are provided, such as markers for passageways, axial engagement of bone screws, sliding support of bone screws and/or a cannulated channel for a guide wire. 1. An intramedullary nail , comprising:a cannulated body having a core constructed and configured to resist mainly bending loads, comprising substantially linearly extending long carbon fibers in a polymer matrix;a portion enclosing the core constructed and configured to resist mainly torsional loads, comprising multiple layers of carbon fibers in a polymer matrix, said fibers helically wound at about +45 degrees and −45 degrees with respect to a longitudinal axis of the nail.2. The intramedullary nail according to claim 1 , wherein an orientation of said helically wound fibers varies claim 1 , so that the fibers are oriented at angles ranging between 35-55 degrees with respect to a longitudinal axis.3. The intramedullary nail according to claim 1 , wherein a diameter of a longitudinally extending inner lumen of said cannluated nail ranges between 2-2.9 mm claim 1 , a diameter of said core comprised of linearly extending fibers ranges between 2.9-7 mm claim 1 , and a diameter of said portion enclosing the core comprising helically wound filaments ranges between 7-11.6 mm.4. The intramedullary nail according to claim 1 , wherein said carbon fibers are braided to combine two neighbor layers.5. The intramedullary nail according to claim 1 , including a further layer surrounding the enclosing portion claim 1 , said layer comprising linearly extending filaments.6. The intramedullary nail according to claim 1 , wherein said portion enclosing said core is coated by a layer comprising one or more of titanium and tantalum.7. The intramedullary nail according to claim 1 , wherein a proximal end is comprised of a further layer comprised of filaments in a circular spiral configuration.8. The intramedullary nail according to claim 1 , comprising at least one ...

CORE AND SHELL COUPLING OF A COMPOSITE MATERIAL BONE IMPLANT

Fiber-reinforced polymer matrix composite material bone screws having threads surfaced with a metallic layer are described. In some embodiments, the metallic layer comprises a plurality of anchors placed to engage with the composite material and resist shearing when the bone screw is inserted or removed. 1. A bone screw having screw threads for rotating insertion to a bone , the bone screw comprising:a body formed from composite material comprising a fiber-reinforced polymer matrix; anda metallic layer surfacing the body with at least one metallic ply covering at least a region of the screw threads;wherein a plurality of anchor structures having a thickness dimension at least 50% of the thickness of the metallic ply are formed out of the material of the at least one metallic ply to engage with the composite material and resist a shearing force applied to the metallic layer and directed along the screw threads when the screw is rotated within the bone.2. The bone screw of claim 1 , wherein the metallic layer comprises at least one from among the group comprising titanium and a titanium alloy.3. The bone screw of claim 2 , wherein the titanium or titanium alloy is anodized.4. The bone screw of claim 1 , wherein a plurality of the anchor structures are formed in the at least one metallic ply as openings filled with the composite material.5. The bone screw of claim 4 , wherein the openings are formed as convolutions of an edge of the at least one metallic ply.6. The bone screw of claim 4 , wherein the openings are formed as apertures in the at least one metallic ply.7. The bone screw of claim 1 , wherein a plurality of the anchor structures are formed by indentation of an outer surface off the at least one metallic ply.8. The bone screw of claim 7 , wherein the indented anchor is within a recessed region between two turns of the screw thread.9. The bone screw of claim 7 , wherein the indented anchor protrudes by at least 50% of the thickness of the at least one metallic ...

AUTONOMIC SYSTEM FOR TRANSFERRING A VEHICLE

In some embodiments, a mobile robot unit for engaging a wheel of parked target vehicle is provided, the mobile robot unit comprising: a frame adjustable from a first configuration to a second configuration and vice versa, wherein in the second configuration the frame engages the vehicle wheel to apply a sufficient counterforce onto the vehicle wheel to lift the vehicle wheel and the vehicle weight supported by the vehicle wheel from the ground; and at least two wheel assemblies supporting the frame above the ground, each wheel assembly comprising at least one steerable wheel, the steerable wheel contacting the ground. 1. A mobile robot unit for engaging a wheel of parked target vehicle , comprising:a frame adjustable from a first configuration to a second configuration and vice versa, wherein in the second configuration the frame engages the vehicle wheel to apply a sufficient counterforce onto said vehicle wheel to lift said vehicle wheel and the vehicle weight supported by said vehicle wheel from the ground; andat least two wheel assemblies supporting said frame above the ground, each wheel assembly comprising at least one steerable wheel, said steerable wheel contacting the ground; wherein said at least two wheel assemblies, each including said at least one steerable wheel, are positioned on opposing wing portions of said frame such that when the vehicle wheel is engaged by the frame the vehicle wheel is located in between said at least two wheel assemblies.2. The robot unit according to claim 1 , wherein said at least two wheel assemblies define a plane which is parallel to the ground on which said mobile robot unit travels.3. The robot unit according to claim 1 , wherein said steerable wheel comprises a tire which defines only a single region of contact with the ground.4. The robot unit according to claim 1 , wherein said frame comprises movable portions configured to be approximated or distanced away relative to each other to dock onto the target vehicle wheel ...

MATERIAL DELIVERY SYSTEM

A method for injecting a therapeutic agent into a target tissue, the method comprising: (a) providing an expandable member; (b) positioning said expandable member in proximity to the target tissue; (c) Introducing the therapeutic agent into the expandable member until a desired pressure is achieved; and (d) creating a plurality of small apertures in the expandable member. 1. A device for intradermal skin treatment , comprising:an element configured to contact the skin surface, said element comprising a plurality of holes for delivering fluid into the skin;a pressure source configured to apply a pressure sufficient to form a plurality of fluid jets, said fluid jets configured to exit said holes and to penetrate no more than 4 mm relative to the skin surface; anda controller configured to control said applied pressure.2. The device according to claim 1 , wherein said plurality of holes are arranged in a grid pattern.3. The device according to claim 1 , wherein said element comprises 100 holes of 30-50 micron diameter.4. The device according to claim 1 , wherein said pressure source is configured to produce an energy pulse which produces a pressure between 10-200 atmospheres to drive said fluid into the skin.5. The device according to claim 1 , wherein said element is flat at a portion configured to contact the skin.6. The device according to claim 1 , wherein said element is slightly curved at a portion configured to contact the skin.7. The device according to claim 1 , wherein said element is stiff at a portion configured to contact the skin.8. The device according to claim 1 , wherein said element is flexible at a portion configured to contact the skin.9. The device according to claim 1 , wherein said element is sized to treat a large skin surface.10. The device according to claim 1 , wherein said fluid is saline.11. The device according to claim 1 , wherein said fluid is a material suitable for increasing formation of collagen by inducing fibrosis.12. The device ...

Multi-layer composite material bone screw

Composite material screws and construction techniques are described comprising reinforcing fibers directed in different winding directions and/or angles at different layers (radial depths) of the screw. Optionally, the screw comprises composite material layers wound with fibers at both the pitch of the thread of the screw and at a steeper pitch (for example, about 45°). Optionally, an outer layer of the screw comprises a relative radiolucent construction and/or material, with a more radiopaque construction and/or material positioned underneath the outer layer such that at least a portion of the screw outline is delineated by a radioimaging technique (for example, fluoroscopy, CT, or MRI), while maintaining a sufficiently artifact-free image around the screw that the image characteristics of the surrounding tissue are still determinable.

COMPOSITE MATERIAL SPINAL IMPLANT

A pedicle screw implant construct kit, comprising at least one pedicle screw, at least one collar comprising a recess for receiving a rod, the collar configured to be coupled to a head of the pedicle screw, an elongated rod for connecting the collar to one more additional collars to couple between the pedicle screw and one or more additional screws, and a locking ring sized to be positioned over at least a distal portion of the collar to restrain relative movement of the screw head and rod by exerting radial compression force onto the collar. In some embodiments, the components of the kit are comprised of carbon reinforced composite material, optionally with no radiation blocking material. In some exemplary embodiments of the invention, the kit includes two locking rings on a collar, optionally both below the rod. 1. A pedicle screw implant construct kit , comprising:at least one pedicle screw including a head at a proximal end of said pedicle screw, said screw comprising composite material including reinforcing filaments embedded in a polymer matrix;at least one collar, said collar comprising composite material including reinforcing filaments embedded in a polymer matrix, said collar including two separate collar halves each including an internal geometry which together define a cavity sized, shaped, and configured for receiving a rod, said internal geometry of said collar halves additionally together defining a socket sized, shaped, and configured to receive said head of said pedicle screw;an elongated rod sized and shaped for connecting said collar to one or more additional collars, thereby coupling between said at least one pedicle screw and one or more additional screws, said rod comprising composite material including reinforcing filaments embedded in a polymer matrix; andfirst and second restraints comprising composite material including reinforcing filaments embedded in a polymer matrix, each of said first and second restraints sized and shaped to be ...

BONE CEMENT AND METHODS OF USE THEREOF

A bone cement comprising an acrylic polymer mixture which is formulated to have a relatively high viscosity for a relatively long window, due to distributions of molecular weights and/or sizes of acrylic beads. 1. A bone cement comprising an acrylic polymer mixture , the cement characterized in that it achieves a viscosity of at least 500 Pascal-second within 180 seconds following initiation of mixing of a monomer component and a polymer component and characterized by sufficient biocompatibility to permit in-vivo use.2. A bone cement according to claim 1 , wherein the viscosity of the mixture remains between 500 and 2000 Pascal-second for a working window of at least 5 minutes after the initial period.3. A bone cement according to claim 2 , wherein the working window is at least 8 minutes long.4. A bone cement according to claim 1 , wherein the mixture includes PMMA.5. A bone cement according to claim 1 , wherein the mixture includes Barium Sulfate.6. A bone cement according to claim 4 , wherein the PMMA is provided as a PMMA/styrene copolymer.7. A bone cement according to claim 4 , wherein the PMMA is provided as a population of beads divided into at least two sub-populations claim 4 , each sub-population characterized by an average molecular weight.8. A bone cement according to claim 7 , wherein a largest sub-population of PMMA beads is characterized by an MW of 150 claim 7 ,000 Dalton to 300 claim 7 ,000 Dalton.9. A bone cement according to claim 7 , wherein a largest sub-population of PMMA beads includes 90-98% (w/w) of the beads.10. A bone cement according to claim 7 , wherein a high molecular weight sub-population of PMMA beads is characterized by an average MW of at least 3 claim 7 ,000 claim 7 ,000 Dalton.11. A bone cement according to claim 7 , wherein a high molecular weight sub-population of PMMA beads includes 2 to 3% (w/w) of the beads.12. A bone cement according to claim 7 , wherein a low molecular weight sub-population of PMMA beads is characterized ...

SYSTEM, ASSEMBLIES AND METHODS FOR MECHANICAL-THRUST POWER CONVERSION MULTIFANS

A multi-rotor system for providing air thrust is disclosed comprising at least one multi-rotor assembly. The multi-rotor assembly comprising at least two rotors rotatable about a common axis wherein the outer radius of a first rotor is substantially similar to the inner radius of the second rotor. An airborne vehicle is also disclosed that is adapted to perform vertical takeoff and landing (VTOL). The airborne vehicle comprising at least two multi-rotor system disposed substantially symmetrically around the center of gravity of the vehicle. 1. A Multi-rotor system for providing air thrust , comprising:at least three rotors rotatable about a common axis,wherein the outer radius of the first rotor is substantially similar to the inner radius of the second rotor, andthe outer radius of the second rotor is substantially similar to the inner radius of the third rotor.2. The system of wherein at least the second and the third rotors have an internal portion with no rotor blades.3. The system of wherein the at least three rotors have an internal portion with no rotor blades.4. The system of further comprising at least one duct.5. The system of wherein the at least one duct is disposed around the outer radius of the outer rotor.6. The system of wherein a duct is disposed around each of the at least three rotors.7. The system of wherein the tip speed of all rotors is substantially the same.8. The system of with at least one flow stator to align the flow of air.9. The system of further comprising at least one flow deflection shutter.10. The system of wherein all the rotors rotate in the same rotational direction. This application is a continuation of U.S. patent application Ser. No. 16/068,920, filed Jul. 10, 2018, entitled “SYSTEM, ASSEMBLES AND METHODS FOR MECHANICAL-THRUST POWER CONVERSION”, which is a National Phase Application of PCT International Application No. PCT/IL2017/050069, International Filing Date Jan. 18, 2017, entitled “System, Assemblies and Methods for ...

COMPOSITE MATERIAL BONE IMPLANT

Radiolucent composite implants. Some embodiments include reconfiguration indicators. Some embodiments include radio-opaque markers, especially along contours. Some embodiments are provided in kit form with accessories such as radiolucent drill guides and/or drives. Some embodiments have fiber reinforcement adapted for various usage scenarios. Some embodiments include metal components, for example, to increase strength. Also described are manufacturing methods. 1. A fiber reinforced polymer bone supporting implant comprising:a bone-supporting plate having an upper surface and a lower surface, said plate sized and shaped for a bone to be supported, said plate including a plurality of reconfiguration guide areas for receiving fixation components, wherein at least some of said reconfiguration guide areas extend from said upper surface toward said lower surface and through less than 100% of a thickness of the plate, said plate reconfigurable by extending at least one of said reconfiguration guide areas through the entire thickness of the plate, said reconfiguration guide areas corresponding to holes to be created for surgical implantation of said plate;at least one fixation component, each configured to be received in a passageway extended or previously formed through the plate.2. The implant according to claim 1 , wherein said reconfiguration guide areas extend through a percentage of the thickness of the plate claim 1 , said percentage in the range of 10-70%.3. The implant according to claim 1 , wherein the reconfiguration guide areas are selected from blind bores claim 1 , blind grooves claim 1 , blind slots claim 1 , indentations claim 1 , protrusions claim 1 , cutting lines claim 1 , and notches.4. The implant according to claim 1 , wherein said reconfiguration guide areas are configured to at least one of position and retain a drill bit therein for drilling through said plate thickness toward said lower surface.5. The implant according to claim 1 , wherein at least ...

COMPOSITE MATERIAL SPINAL IMPLANT

A pedicle screw implant construct kit, comprising at least one pedicle screw, at least one collar comprising a recess for receiving a rod, the collar configured to be coupled to a head of the pedicle screw, an elongated rod for connecting the collar to one more additional collars to couple between the pedicle screw and one or more additional screws, and a locking ring sized to be positioned over at least a distal portion of the collar to restrain relative movement of the screw head and rod by exerting radial compression force onto the collar. In some embodiments, the components of the kit are comprised of carbon reinforced composite material. 1. A collar sized and shaped for coupling between a rod and a pedicle screw or one or more adapters of the screw , comprising:a distal end comprising a geometry shaped to engage at least one of (a) a head of said pedicle screw and (b) one or more adapters, if any, mounted on said head of said pedicle screw;a proximal end;a portion adjacent said proximal end, said portion defining a cavity shaped and sized to receive at least a portion of a rod, wherein a collar wall defining said cavity extends over at least 60% of a top semicircular arc of said rod positioned within said cavity.2. The collar according to claim 1 , wherein walls of said cavity encircle at least 70% of a circumference of said rod received within said cavity.3. The collar according to claim 1 , wherein said geometry of said distal end of said collar defines a second cavity claim 1 , said second cavity shaped and sized to receive at least a portion of said pedicle screw.4. The collar according to claim 1 , wherein said collar comprises a slot separating a distal portion of said collar into at least two sub portions.5. The collar according to claim 4 , wherein said slot extends from a distal end of said collar up to said cavity in which at least a portion of said rod is received.6. The collar according to claim 4 , wherein said collar wall defining said cavity ...

COMPOSITE IMPLANT COATING

A coating layer, for example PEEK or titanium foil, shields a bone implant surface from wearing interactions with surfaces of bone and/or other implants. The coating prevents shedding particles which are difficult to distinguish from evidence of potentially dangerous conditions, for example, microorganism contamination and/or degenerating tissue. Methods and structures for securing a coating layer are described. Other uses and implementations of coating layers are described. 16-. (canceled)7. An implantable bone plate comprising:a body of fiber-reinforced polymer composite construction; andat least one layer configured to cover an exterior facing surface region of said body where the layer contacts bone when implanted;wherein the layer is made of metal such that the body is shielded from wearing contacts with bone when implanted.815-. (canceled)16. An implantable bone plate according to claim 7 , wherein at least one edge region of said at least one layer is encased by material of said bone plate.17. An implantable bone plate according to wherein said material comprises a portion of said body.18. An implantable bone plate according to wherein said material comprises an extrusion of said body.19. An implantable bone plate according to wherein said extrusion comprises a shank and a head; the shank being attached at one end to the body claim 18 , and the head being attached to the other end of the shank; the head being sized and positioned to interfere with the movement of said at least one layer relative to the body.20. An implantable bone plate according to claim 18 , wherein said extrusion is flanged.21. An implantable bone plate according to claim 16 , wherein said material comprises at least a portion of an at least second layer.22. An implantable bone plate according to wherein said at least second layer overlaps and conforms against at least a portion of said edge region.23. An implantable bone plate according to claim 16 , wherein said material comprises a ...

METHOD OF MONITORING VOLUMETRIC CHANGE OF A LUNG

There is provided a method, apparatus, computer program product and wearable device for monitoring volumetric change of a lung during a breathing cycle by using an electronic signal. The method comprises: receiving by a receiver an electronic signal transmitted from a transmitter, wherein at least part of a path of the signal contours at least part of a chest wall of the lung; determining by the receiver measurements of an attribute of the signal received at the beginning and the end of a time interval during the breathing cycle; calculating by a processor a change in length of the signal path during the time interval based on the measurements of the attribute of the signal received at the beginning and the end of the time interval; and calculating by the processor a volumetric change during the time interval based on the change in signal path length. 1. A method of monitoring volumetric change of a lung during a breathing cycle by using an electronic signal , the method comprising:receiving by a receiver an electronic signal transmitted from a transmitter, wherein at least part of a path of the signal contours at least part of a chest wall of the lung;determining by the receiver measurements of an attribute of the signal received at the beginning and the end of a time interval during the breathing cycle;calculating by a processor a change in length of the signal path during the time interval based on the measurements of the attribute of the signal received at the beginning and the end of the time interval; andcalculating by the processor a volumetric change during the time interval based on the change in signal path length.2. The method of claim 1 , wherein the electronic signal is a radio frequency (RF) signal.3. The method of claim 2 , wherein the signal is a single carrier RF signal characterized by a carrier wavelength.4. The method of claim 3 , wherein the single carrier signal is selected such that the carrier wavelength is greater than twice the change in ...

COMPOSITE MATERIAL SPINAL IMPLANT

A pedicle screw implant construct kit, comprising at least one pedicle screw, at least one collar comprising a recess for receiving a rod, the collar configured to be coupled to a head of the pedicle screw, an elongated rod for connecting the collar to one more additional collars to couple between the pedicle screw and one or more additional screws, and a locking ring sized to be positioned over at least a distal portion of the collar to restrain relative movement of the screw head and rod by exerting radial compression force onto the collar. In some embodiments, the components of the kit are comprised of carbon reinforced composite material, optionally with no radiation blocking material. In some exemplary embodiments of the invention, the kit includes two locking rings on a collar, optionally both below the rod. 2. (canceled)3. A kit according to claim 1 , wherein said kit is less than 1% by weight atoms with an atomic number over 25.45-. (canceled)6. A kit according to claim 1 , wherein said lumen in which said rod is received is rotationally asymmetric.7. A kit according to claim 6 , wherein said widening comprises an elongation in a direction radial to a longitudinal axis of said lumen.8. (canceled)9. A kit according to claim 7 , wherein said elongation is different at said ends of said lumen from any elongation at a center of said lumen.10. A kit according to claim 7 , wherein said elongation support the engagement by said cavity of both straight rods and rods bent with a radius of curvature of at least 30 mm.11. A kit according to claim 7 , wherein said elongation is vertical with respect to a long axis of said collar.12. (canceled)13. A kit according to claim 1 , wherein said ring is mounted in a narrowing in an outer profile of said collar claim 1 , vertically adjacent to a gradual widening in said outer profile and is configured to lock to said widening by friction.1416-. (canceled)17. A kit according to claim 1 , comprising two locking rings for said ...

COMPOSITE MATERIAL BONE IMPLANT

A composite bone implant. In some embodiments, one or more features are provided, such as markers for passageways, axial engagement of bone screws, sliding support of bone screws and/or a cannulated channel for a guide wire.

COMPOSITE IMPLANT COATING

A coating layer, for example PEEK or titanium foil, shields a bone implant surface from wearing interactions with surfaces of bone and/or other implants. The coating prevents shedding particles which are difficult to distinguish from evidence of potentially dangerous conditions, for example, microorganism contamination and/or degenerating tissue. Methods and structures for securing a coating layer are described. Other uses and implementations of coating layers are described. 1. A bone implant comprising:a body of fiber-reinforced polymer composite material; andat least one porous coating layer configured to contact bone when implanted, wherein at least one exterior facing surface region of said body interacts with openings in said at least one porous coating layer;wherein at least one said coating layer is made at least partly of a material such that the body is shielded from wearing contacts with bone when implanted.2. The bone implant of claim 1 , wherein said at least one porous coating layer includes at least one of titanium (Ti) claim 1 , titanium nitride (TiN) claim 1 , titanium aluminum nitride Ti—Al—N) claim 1 , a titanium ceramic claim 1 , a titanium alloy claim 1 , and titanium oxide.3. The bone implant according to claim 1 , wherein said at least one porous coating layer is formed by 3D printing.4. The bone implant according to claim 1 , wherein said body and said at least one porous coating layer are attached by compression molding.5. The bone implant according to claim 1 , wherein said fiber-reinforced composite material is at least partly integrated with openings in said at least one porous coating layer.6. The bone implant according to claim 1 , wherein said at least one porous coating layer is at least partly embedded in said fiber-reinforced composite material.7. The bone implant of claim 1 , further including at least one radio-opaque element at least one of embedded in claim 1 , overlying claim 1 , and underlying at least one of said at least one ...

DEVICES AND METHODS FOR GENERATING PERIODIC MOVEMENTS OF A SKIN

Generally, devices and methods for accelerating/decelerating a skin are disclosed. The method may include applying an applicator to a selected location on the skin, and periodically and mechanically moving/displacing the skin by the applicator according to a specified acceleration/deceleration pattern and at specified acceleration/deceleration values 118-. (canceled)19. A device far generating periodic movements of a skin , the device comprising:an applicator applicable to a selected location on the skin;{'sup': '2', 'a mechanical movements generator coupled to the applicator and arranged to periodically and mechanically move/displace the skin using the applicator and according to a specified acceleration/deceleration pattern and at specified acceleration/deceleration values ranging between 100-6000 m/sec; and'}a controller coupled to the mechanical movements generator and configured control the mechanical movements/displacements of the skin by the applicator.20. The device of claim 19 , wherein the mechanical movements generator is a pressure generator arranged to provide a pressure to the applicator and to oscillate: the pressure provided to the applicator pressure between a first pressure value and a second pressure value at a predetermined pressure drop rate and between the second pressure value and the first pressure value at a predetermined pressure rise rate claim 19 , to thereby periodically and mechanically move/displace the skin claim 19 , wherein the predetermined pressure drop rate ranges between 60-600 Atm/sec.21. The device claim 20 , of claim 20 , wherein the pressure generator comprises:a vacuum pump; and a cylindrical valve body comprising:', 'a positive pressure inlet formed by a cut made within the cylindrical valve body extending between a first positive pressure inlet opening on one end of the cylindrical valve body and a second positive pressure inlet opening on a lateral surface of the cylindrical valve: body and at a predetermined distance ...

SYSTEM, ASSEMBLIES AND METHODS FOR MECHANICAL-THRUST POWER CONVERSION MULTIFANS

A multi-rotor system for providing air thrust is disclosed comprising at least one multi-rotor assembly. The multi-rotor assembly comprising at least two rotors rotatable about a common axis wherein the outer radius of a first rotor, is substantially similar to the inner radius of the second rotor. An airborne vehicle is also disclosed that is adapted to perform vertical takeoff and landing (VTOL). The airborne vehicle comprising at least two multi-rotor system disposed substantially symmetrically around the center of gravity of the vehicle. 1. (canceled)2. The airborne vehicle of wherein each of the multi-rotor systems further comprising driving means adapted to rotate each of the rotors in a rotational speed independent of the rotational speed of the other rotors.3. The airborne vehicle of wherein in at least one of the multi-rotor systems wherein the at least two rotors are disposed and rotatable in a common plane.4. The airborne vehicle of wherein each of the multi-rotor systems further comprising duct disposed closely around the outer radius of the out-most rotor and directed with its air flow direction coaxially with the common axis of the multi-rotor system.5. The airborne vehicle of wherein each of the multi-rotor systems further comprising at least one additional air duct disposed closely around outer radius of one other rotor.6. The airborne vehicle of wherein each of the rotors comprises two or more rotor blades evenly spaced around the common axis.7. The airborne vehicle of wherein each of the multi-rotor systems further comprising:at least one stator disposed adjacent to at least one of the rotors and adapted to control the direction of the air flow that pass through said rotor.8. An airborne vehicle adapted to perform vertical takeoff and landing (VTOL) claim 8 , comprising:at least two multi-rotor systems, each multi-rotor system comprising:at least two rotors rotatable about a common axis, wherein the outer radius of a first rotor, is substantially ...

Systems for percutaneous bone and spinal stabilization, fixation and repair

Systems for bone and spinal stabilization, fixation and repair include intramedullar nails, intervertebral cages and prostheses, remotely activatable prostheses, tissue extraction devices, and electrocautery probes. The intramedullar nails, intervertebral cages and prostheses, are designed for expansion from a small diameter for insertion into place to a larger diameter which stabilizes, fixates or repairs the bone, and further can be inserted percutaneously. Remotely activatable prostheses can be activated from an external unit to expand and treat prosthesis loosening. Tissue extraction devices, and electrocautery probes are used to remove tissue from desired areas.

Pressure pulse actuating device for delivery systems

A system and method for delivering medicament to tissue, using a pulse pressure source and optional pre-pressuring. Optionally, the delivery system is modular and/or adjustable for various applications. Optionally, the treated tissue is a blood vessel wall. Optionally, the delivery system is mechanical.

PERCUT BONE SYSTEMS AND SPINAL STABILIZATION, MOUNTING AND REPAIR

Temporary stent system

This application is directed to a stent delivery system for introducing a flexible, generally cylindrical, self-expandable stent (1) into a constricted duct within a patient. The system includes a catheter (11) defining at least one lumen (13) having at least three longitudinally displaced openings (16, 17) extending from the lumen (13) to the outer surface of the catheter (11). Carried by the catheter (11) during insertion into a patient's duct is a stent (1) which is comprised of a generally cylindrical expandable structure having a flexible member (6) extending proximally from the cylindrical structure. The stent (1) is wound circumferentially around the catheter (11) and is held in place by restraining means (9, 15). The system further includes at least one release wire (20) extending through lumen (13) which cooperates with the restraining means (9, 15) such that when the release wire (20) is withdrawn proximally, the stent (1) is released and free to expand.

Cystoscope delivery system

This invention concerns a cystoscope delivery system for implanting a flexible, generally cylindrical, expandable stent (10). The system comprises a rigid or flexible sheath (2), said sheath defining a central lumen (6) and at least one secondary lumen (27) extending therethrough having two openings extending from a secondary lumen (27) radially to the surface of the sheath (2), a rigid cystoscope (19) comprising a distal scope member (20) extending through the central lumen (6) and a proximal viewing head (3), a stent (10) positioned circumferentially around said sheath (2), at least one release wire (34) extending through said secondary lumen or lumens (27), and two or three restraining means (36), two of which are positioned and extending over the respective ends of the stent (10) to hold the stent (10) in position, so that when the release wire or wires (34) are pulled proximally, one or both ends of the stent (10) are released from the restraining members to permit the stent (10) to expand.

Vascular and coronary stents

Composite material bone implant

Composite material bone implant

Methods, materials, and apparatus for treating bone and other tissue

A bone cement comprising a first component and a second component, wherein contacting the first component and the second component produces a mixture which attains a high viscosity an initial period and the viscosity of the mixture remains relatively stable for a working time of at least 5 minutes after the initial setting period, and the mixture is suitable for in-vivo use.

Fluid delivery system

A fluid delivery system for dispensing a liquid from a sealed container directly into a closed chamber comprises a container containing a liquid component of bone cement and plugged with a plug, and a closed chamber comprising a receiving port for receiving the sealed container, wherein the receiving port is configured to receive the liquid component in direct response to manual insertion of the sealed container through the receiving port using an open loop system.

Microporous balloon catheter

A method and system for delivering a medicament into tissue, for example via a balloon with small pores. Optionally, the pressure used is high enough to cause jetting, but the pore sizes, pore density, pressure and/or delivery time are such that the jetting do not cause unacceptable tissue damage. Optionally, the pores are smaller than 2 microns, are between 300 and 600 per square centimeter and the pressure is above 8 atmospheres.

Apparatus for transferring a viscous material from a mixing apparatus

An apparatus for transferring a viscous material, the apparatus comprising: a) a first container capable of containing a viscous material; b) a transfer piston insertable in the first container so that the piston forms a circumferential seal with respect to the container, the transfer piston including a hole; and c) a mechanism for attaching an aperture of a second container to the hole in the transfer piston; wherein insertion of the transfer piston into the first container causes the viscous material to pass through the aperture into the second container.

Temporary stent system

Instrumentation kit for delivering viscous bone filler material

A bone filler material delivery system comprising a longitudinal channel, wherein said channel incorporates a perforated segment at least partially along, at or substantially near its distal end, and wherein said channel is sealed at its distal end so the filler material may be delivered only by the lumen and through the perforated segment peripheral wall/s. Optionally, said system comprising an expandable-collapsible permeable bag capable of being inserted into a bone while in collapsed configuration and then to expand within the bone when filled with bone voids filler. The mesh structure is designed to allow such permeable bag to expand to a predetermined size or shape under certain pressures, and further allows exudation of said bone void filler through its walls. One satisfactory result is achieved by extracting the permeable bag out of treated body, thus promoting a flow of the bone void filler through its pores into the cancellous bone and/or cavity in the bone. The procedure described promotes height restoration of the bone while leaving only filler material inside the body, while introducing it in an enhanced controlled manner.

Composite material spinal implant

A pedicle screw implant construct kit, comprising at least one pedicle screw, at least one collar comprising a recess for receiving a rod, the collar configured to be coupled to a head of the pedicle screw, an elongated rod for connecting the collar to one more additional collars to couple between the pedicle screw and one or more additional screws, and a locking ring sized to be positioned over at least a distal portion of the collar to restrain relative movement of the screw head and rod by exerting radial compression force onto the collar. In some embodiments, the components of the kit are comprised of carbon reinforced composite material, optionally with no radiation blocking material. In some exemplary embodiments of the invention, the kit includes two locking rings on a collar, optionally both below the rod.

Methods, materials and apparatus for treating bone and other tissue

A method of treating a vertebra, comprising: (a) accessing an interior of a vertebra; and (b) introducing a sufficient amount of artificial biocompatible material which does not set to a hardened condition in storage, into said bone, with sufficient force to move apart fractured portions of said bone.

Mixing device and procedure

Un aparato de mezcla (200) que tiene un mecanismo de accionamiento que comprende: a) un conjunto de dientes (254) que define una primera ruta circular en una circunferencia interna de un pozo de mezcla (252) que tiene un volumen interno que no excede de 100 ml; b) un árbol de accionamiento (272) acoplado a una rueda dentada (270) que tiene un eje, adaptada la rueda dentada para engranar con dicha serie de dientes (254) y para rotar alrededor del eje, estando dispuesto el árbol de accionamiento (272) en un receptáculo (274) formado en una cubierta (220); c) un actuador (210) adaptado para rotar para proporcionar una fuerza que causa que el árbol de accionamiento (272) rote y avance a lo largo de una segunda ruta circular que es concéntrica respecto a la primera ruta circular; d) un elemento de transferencia de accionamiento (232) que tiene un primer extremo conectado a la rueda dentada (270) y un segundo extremo conectado a un elemento de mezclado central (230) que está situado sustancialmente en un centro de la primera ruta circular; en el que el actuador (210), la rueda dentada (270) y el elemento de transferencia de accionamiento (232) están dispuestos en la cubierta (220) y el conjunto de dientes (254) está formado íntegramente en el pozo de mezcla (252) y en el que la cubierta (220) puede rotar, en relación al pozo de mezcla (252), cuando se hace rotar el actuador (210). A mixing apparatus (200) having an actuation mechanism comprising: a) a set of teeth (254) defining a first circular path in an internal circumference of a mixing well (252) having an internal volume that does not exceeds 100 ml; b) a drive shaft (272) coupled to a gearwheel (270) having an axle, adapted the gearwheel to engage with said series of teeth (254) and to rotate around the axle, the drive shaft being arranged ( 272) in a receptacle (274) formed in a cover (220); c) an actuator (210) adapted to rotate to provide a force that causes the drive shaft (272) to rotate and advance along a ...

PERCUT BONE SYSTEMS AND SPINAL STABILIZATION, MOUNTING AND REPAIR

Expandable bone filler materials and methods of using same

A bone filler material, comprising: at least one component adapted to expand at least a portion of the bone filler material thereby increasing the overall volume of the bone filler material.

SYSTEMS FOR THE STABILIZATION, FIXING AND REPAIR OSEA AND VERTEBRAL PERCUTANEAS.

Dispositivo médico para el tratamiento de huesos fracturados con una cavidad intramedular, dotándose al hueso de una perforación formada a través de la superficie exterior del hueso y que se extiende hacia el interior de la cavidad intramedular, que comprende: una fijación (320) ósea para su inserción a través de la perforación del hueso y en la cavidad intramedular, comprendiendo dicha fijación ósea un tubo inflable, de diámetro expansible que tiene una superficie circunferencial exterior, teniendo dicho tubo (321) un primer diámetro reducido para su inserción a través de la perforación y en el interior de la cavidad intramedular y un segundo diámetro expandido, en el que dicha fijación (320) ósea aumentará radialmente su diámetro desde dicho primer diámetro reducido hasta dicho segundo diámetro expandido mediante inflación cuando se suministra fluido al interior de dicho dispositivo, y cuando dicha fijación (320) ósea aumenta radialmente su diámetro desde dicho primer diámetro reducido hasta dicho segundo diámetro expandido, entrando en contacto al menos una parte de dicha superficie circunferencial exterior con una parte de la pared lateral de dicha cavidad intramedular al aumentar dicha fijación (320) ósea hasta dicho segundo diámetro expandido, caracterizado porque dicho tubo es un tubo metálico sin memoria. Medical device for the treatment of fractured bones with an intramedullary cavity, the bone being provided with a perforation formed through the outer surface of the bone and extending into the intramedullary cavity, comprising: a bone fixation (320) for its insertion through the perforation of the bone and in the intramedullary cavity, said bone fixation comprising an inflatable tube, of expandable diameter having an outer circumferential surface, said tube (321) having a first reduced diameter for insertion through the perforation and inside the intramedullary cavity and a second expanded diameter, wherein said bone fixation (320) will radially increase ...

Composite material spinal implant

Composite material bone implant

A metal-surfaced composite material bone fixation screw is disclosed that, in some embodiments, provides potential advantages of a metallic exterior surface, while avoiding production of significant artifacts when imaged in situ. The bone fixation screw, in some embodiments, comprises a composite core formed of a threaded, reinforced polymer body containing longitudinally extending reinforcing fibers. The metal exterior provides, for example, smoothness and/or additional hardness to the screw. Optionally, the metal exterior surface is thin enough (for example, between 0.02 and 0.1 mm) to avoid causing artifacts in CT or MRI images that would significantly interfere with visualization.

Integrated bone biopsy and therapy apparatus

Methods, materials and apparatus for treating bone and other tissue

A method of treating a vertebra is disclosed that includes accessing an interior of a vertebra and introducing a sufficient amount of artificial biocompatible material, which does not set to a hardened condition in storage, into the vertebra with sufficient force to move the vertebra apart. The method is minimally invasive in that only a single channel is formed into the body. Optionally, the procedure is carried out via a cannula having a diameter of 6 mm or less.

Bone suturing device

A bone boring device, comprising a needle base, a pivot, at least one curved needle having a tip at one end thereof and rotatably mounted on the needle base, said needle and pivot arranged and adapted so that when said tip is placed against bone tissue and said needle is rotated around said pivot, sai d needle is urged into said bone. Optionally, the at least one needle comprise s at least two needles.

Vascular and coronary stents

This invention is directed to a stent delivery system for implanting a flexible, generally cylindrical, expandable, coiled stent. The system comprises a catheter defining at least one lumen and having at least two longitudinally displaced openings or sets of openings, a flexible, self-expandable coiled stent (20) having discrete proximal (25) and distal end sections (24), said stent being wound circumferentially around said catheter and coils of the stent being more closely wound at the proximal and/or distal end sections, and one or two release wire (26) cooperating with restraining means (51) so that as the release wire or wires are withdrawn proximally, the proximal and distal end sections of stent ale released in such a manner that coils of the stent unwind and the length of the unwound stent is not substantially less than the length of the portion of the, unreleased stent that is not more closely wound.

Cannula for injecting material into bone

A bone cement cannula, the cannula comprising: a tube (212) including a section (224) for plastic deformation; and a lumen in the tube capable of resisting forces of a viscous material propelled therethrough at a pressure of at least 100 atmospheres. Alternatively a bone cement cannula (1002) with at least two inlet ports (730) , (740) for a plurality of materials or entry of a stylet.

Method and device for non-invasive measurement of an intraocular pressure

A method of non-invasive measurement of an intraocular pressure (IOP), the method may include: obtaining an image of at least a portion of a specific element of a subject's eye; detecting at least a portion of the specific element in the obtained image; and determining a value of a geometric property of the specific element based on the obtained image, the determined value of the geometric property is indicative of an IOP value of the subject's eye. In some embodiments, the specific element comprises at least one of: at least a portion of a limbus and at least a portion of an anterior surface of a sclera of the subject's eye.

Bone implant

Deformable tools and implants

A medical grade deformer (100 having a distal end (114) and a proximal end (116) and adapted to be deformed from a first, narrower diameter to a second, greater diameter, is disclosed. When fully deformed, deformer (100) substantially fills a volume of space with leaves (112) projecting outwardly as part of the tube body (102).

Materials for treating bone

Instrumentation kit for delivering viscous bone filler material

A bone filler material delivery system comprising a longitudinal channel, wherein said channel incorporates a perforated segment at least partially along, at or substantially near its distal end, and wherein said channel is sealed at its distal end so the filler material may be delivered only by the lumen and through the perforated segment peripheral wall/s. Optionally, said system comprising an expandable-collapsible permeable bag capable of being inserted into a bone while in collapsed configuration and then to expand within the bone when filled with bone voids filler. The mesh structure is designed to allow such permeable bag to expand to a predetermined size or shape under certain pressures, and further allows exudation of said bone void filler through its walls. One satisfactory result is achieved by extracting the permeable bag out of treated body, thus promoting a flow of the bone void filler through its pores into the cancellous bone and/or cavity in the bone. The procedure described promotes height restoration of the bone while leaving only filler material inside the body, while introducing it in an enhanced controlled manner.

System, assemblies and methods for mechanical-thrust power conversion multifans

Assembled prosthesis such as a disc

An artificial disc device, comprising a plurality of interconnected elements, adapted to be assembled in situ.

Mixing device

Un aparato (200) mezclador, comprendiendo el aparato: a) un pozo de mezclado (252)l; b) un mecanismo de accionamiento que incluye un engranaje (254) estacionario circunferencial sobre una superficie interior del pozo de mezclado; c) un elemento (240) planetario de mezclado accionado por un engranaje (270) del elemento de mezclado que se engrana con el engranaje estacionario circunferencial, y d) un elemento (230) de mezclado central posicionado sustancialmente en el centro del pozo de mezclado;. caracterizado porque el pozo de mezclado se caracteriza por un volumen interno no superior a 100 ml; el elemento central de mezclado y el elemento planetario de mezclado son de forma cilíndrica; y una distancia (A-B) entre el elemento central de mezclado y el elemento planetario de mezclado , o una distancia (C-D) entre el elemento planetario de mezclado y una pared interior del pozo de mezclado es de 1 a 5 mm. A mixing apparatus (200), the apparatus comprising: a) a mixing well (252) l; b) a drive mechanism that includes a circumferential stationary gear (254) on an inner surface of the mixing well; c) a planetary mixing element (240) driven by a gear (270) of the mixing element that engages with the circumferential stationary gear, and d) a central mixing element (230) positioned substantially in the center of the mixing well; . characterized in that the mixing well is characterized by an internal volume not exceeding 100 ml; the central mixing element and the planetary mixing element are cylindrical in shape; and a distance (A-B) between the central mixing element and the planetary mixing element, or a distance (C-D) between the planetary mixing element and an inner wall of the mixing well is 1 to 5 mm.

Polymeric bone cement

A bone cement having a unique viscosity profile may be useful for treating vertebral compression fractures. In general, the cement comprises a first powder polymer component and a second liquid monomer component. Contacting the first component and the second component produces a mixture which attains a high viscosity during an initial period and has a working time during which the cement may be injected into a vertebra. In certain aspects, the cement achieves a high viscosity during a relatively short initial period so that the cement can be injected soon after the first and second components are contacted. Additionally, the high viscosity cement has a reduced risk of leaking from a vertebra and an increased working time before hardening.

Tack device

Methods, Materials and Apparatus for Treating Bone or Other Tissue

A method of treating a vertebra, comprising: (a) accessing an interior of a vertebra; and (b) introducing a sufficient amount of artificial biocompatible material which does not set to a hardened condition in storage, into said bone, with sufficient force to move apart fractured portions of said bone.

INSTRUMENT KIT TO ADMINISTER A VISCOSE BONE FILLING MATERIAL.

Un dispositivo de llenado de un vacío de un hueso (10) de un paciente con una sustancia de relleno (16) de vacío de hueso, que comprende: a. un mecanismo de extracción (13, 20, 21, 71); b. un elemento permeable (14) fijado al mecanismo de extracción sin hilos liberables; y c. una cánula (11,120) para su extensión por dentro del hueso y para guiar dicho mecanismo hacia el vacío; en el que dicho elemento permeable está en un estado abatido cuando es introducido a través de dicha cánula y se expande dentro del hueso cuando la sustancia de relleno de vacío de hueso es aplicada bajo presión a aquél, caracterizado porque el mecanismo de extracción está destinado a extraer el elemento permeable fuera del vacío, lo cual fuerza al elemento permeable a volverse a abatir forzando de esta manera a que la sustancia de relleno de vacío de hueso fluya a través de las paredes del elemento permeable penetrando en el vacío. A device for filling a bone vacuum (10) of a patient with a bone vacuum filler substance (16), comprising: a. an extraction mechanism (13, 20, 21, 71); b. a permeable element (14) fixed to the release mechanism without releasable threads; and c. a cannula (11,120) for its extension inside the bone and to guide said mechanism towards the vacuum; wherein said permeable element is in a collapsed state when it is introduced through said cannula and expands into the bone when the bone vacuum filling substance is applied under pressure to it, characterized in that the extraction mechanism is intended for extracting the permeable element out of the vacuum, which forces the permeable element to revert down, thereby forcing the bone vacuum filler to flow through the walls of the permeable element penetrating the vacuum.

Bone cement and methods of use thereof

Systems for percutaneous bone and spinal stabilization, fixation and repair

Stent with variable flexibility

Microporous balloon catheter, delivery system, and methods of manufacture and use

A microporous balloon catheter, and a balloon catheter drug delivery system in which the balloon catheter is formed of a semi-compliant or compliant material, and in which the pores of the balloon remain substantially closed at inflation pressures below a selected threshold, and open at higher pressure to emit jets of a drug that penetrate surrounding tissue without substantial trauma. Also disclosed is an apparatus and method for perforating a balloon catheter by femtolaser pulses. The apparatus may be used for treating a variety of conditions. For example, in treating vascular obstructions, a pressure below the threshold pressure may be used for performing PTCA before drug delivery.

Guiding system

A method and system for guiding a drill or nail to intersect both bone and an aperture in an implanted implant. In an exemplary embodiment of the invention, a vector is defined interconnecting a path of a tool or cross-implant and the bone and implanted implant. In an exemplary embodiment of the invention, the vector is defined using a light source and two sensors or a light source and a sensor which is on an opposite side of said bone from said source.

Fluid delivery system

A sealed container comprising: a housing having an open end and configured for containing a liquid monomer; and a sealing member configured to plug the open end, wherein the sealing member includes a self-rupturing mechanism having a closed state and an open state; wherein when the self-rupturing mechanism is in the open state, the liquid monomer flows out of the housing.