Tissue thickness compensators

A two-part tissue thickness compensator assembly can include a first tissue thickness compensator configured to be positioned relative to an anvil of a surgical stapler, a second tissue thickness compensator configured to be positioned relative to a staple cartridge of the surgical stapler, and a hinge connecting the first tissue thickness compensator to the second tissue thickness compensator. The first and/or second tissue thickness compensators may include additional engagement features, such as a raised ridge that engages a slot in the anvil and/or the staple cartridge. In certain embodiments, the first and/or second tissue thickness compensators may include an encasement that contains a suitable biologic agent. An end effector assembly may be provided for attachment to a surgical instrument that includes, for example, a staple cartridge, an anvil, a first tissue thickness compensator positioned on the anvil, and a second tissue thickness compensator positioned on the staple cartridge.

Needle for laparoscopic suturing instrument

A surgical needle includes a pair of ends, a mid-region extending between the ends, and at least one grasping feature configured for grasping by a suturing instrument. An end of a suture is secured to the mid-region of the needle in a manner such that the end of the suture defines an oblique angle with at least part of the centerline defined by the mid-region of the needle. The end of the suture may be disposed in a hollow portion of the needle. The grasping feature may include a notch such as a scallop. The suture may be pivotally coupled with the needle via a ball or pin. The needle may have one or more sharp points. The sharp point may include three converging cutting edges, at least two planar surfaces bounded by the three cutting edges, and a rounded surface bounded by two of the three cutting edges.

Tissue thickness compensator configured to redistribute compressive forces

A tissue thickness compensator may generally comprise a compressible core comprising a plurality of movable particles, and a wrap surrounding the compressible core. The plurality of movable particles may comprise at least one medicament. A tissue thickness compensator may generally comprise a compressible core comprising a plurality of crushable particles, and a wrap surrounding the compressible core. The plurality of crushable particles may comprise at least one medicament. The compressible core may comprise a material selected from a group consisting of a biocompatible material. The wrap may comprise a material selected from a group consisting of a biocompatible material. Articles of manufacture comprising the tissue thickness compensator and methods of making and using the tissue thickness compensator are also described.

TISSUE THICKNESS COMPENSATORS

A two-part tissue thickness compensator assembly can include a first tissue thickness compensator configured to be positioned relative to an anvil of a surgical stapler, a second tissue thickness compensator configured to be positioned relative to a staple cartridge of the surgical stapler, and a hinge connecting the first tissue thickness compensator to the second tissue thickness compensator. The first and/or second tissue thickness compensators may include additional engagement features, such as a raised ridge that engages a slot in the anvil and/or the staple cartridge. In certain embodiments, the first and/or second tissue thickness compensators may include an encasement that contains a suitable biologic agent. An end effector assembly may be provided for attachment to a surgical instrument that includes, for example, a staple cartridge, an anvil, a first tissue thickness compensator positioned on the anvil, and a second tissue thickness compensator positioned on the staple cartridge. 1. A surgical stapler , comprising:a staple cartridge comprising a cartridge body comprising a plurality of staple cavities and a plurality of staples positioned within said staple cavities;an anvil configured for a facing relationship with said cartridge body, said anvil comprising at least one staple forming surface;a first tissue thickness compensator removably attached to said cartridge body, wherein said first tissue thickness compensator comprises a first thickness; anda second tissue thickness compensator removably attached to said anvil, wherein said second tissue thickness compensator comprises a second thickness, wherein said first and second tissue thickness compensators are configured to be captured within said staples and assume different compressed heights within different said staples, and wherein the sum of said first thickness and said second thickness is at least equal to a minimum thickness which provides adequate tissue thickness compensation within said ...

Devices and methods for guiding surgical fasteners

Devices and methods are provided for guiding surgical fasteners. In general, the devices and methods can facilitate guidance of fasteners during deployment of the fasteners into tissue. In general, the surgical device can include one or more guidance features configured to facilitate guidance of the fasteners during ejection of the fasteners from the cartridge. The one or more guidance features can be configured to reduce lateral movement of the fasteners during deployment thereof. In an exemplary embodiment, each of the one or more guidance features can be configured to support a fastener on three sides thereof during deployment of the fastener. The one or more guidance features can be formed on the cartridge, e.g., formed on a surface thereof or formed on a sled disposed in the cartridge, and/or can be formed on a jaw that seats the cartridge.

Electrosurgical end effector with tissue tacking features

An apparatus is provided for operating on tissue. The apparatus includes an end effector having an upper jaw and lower jaw. The upper and lower jaws each include an electrode surface. The apparatus also includes a tissue tacking cartridge coupled to one of either the upper jaw or the lower jaw. The tissue tacking cartridge includes at least one fastener positioned outside of the electrode surfaces. The fastener is operable to be deployed from the tissue tacking cartridge. A tack loading cartridge may also be operable to load the end effector with at least one fastener.

Devices and methods for facilitating ejection of surgical fasteners from cartridges

Devices and methods are provided for stabilizing fasteners post-deployment. Devices and methods are also provided for facilitating ejection of surgical fasteners from a cartridge. Devices and methods are also provided for guiding surgical fasteners. Devices and methods are also provided for facilitating closing and clamping of an end effector of a surgical device. Devices and methods are also provided for securing fasteners and adjunct materials to tissue. Devices and methods are also provided for removably coupling a cartridge to an end effector of a surgical device. Devices and methods are also provided for locking a surgical device based on loading of a fastener cartridge in the surgical device. Devices and methods are provided for adjusting a tissue gap of an end effector of a surgical device. Devices and methods are also provided for manually retracting a drive shaft, drive beam, and associated components.

Surgical stapling instruments

The present invention provides circular stapling instruments and anvil assemblies. The anvil assemblies may have collapsible anvil support members that may be inserted through an opening in a patient and then expanded to be attached to an anvil plate assembly that has a staple-forming surface thereon. The anvil support member is attachable to the anvil plate assembly in such a way that when the anvil assembly is coupled to the stapling head of a circular stapler, the staple-forming surface is in substantial registry with the staples supported in the stapling head. A variety of different anvil support members and anvil plate assemblies are disclosed.

ULTRASONIC SURGICAL INSTRUMENTS WITH DISTALLY POSITIONED TRANSDUCERS

Various embodiments are direct to a surgical instrument comprising and end effector, an articulating shaft and an ultrasonic transducer assembly. The end effector may comprise an ultrasonic blade. The articulating shaft may extend proximally from the end effector along a longitudinal axis and may comprise a proximal shaft member and a distal shaft member pivotably coupled at an articulation joint. The ultrasonic transducer assembly may comprise an ultrasonic transducer acoustically coupled to the ultrasonic blade. The ultrasonic transducer assembly may be positioned distally from the articulation joint.

Devices and methods for stabilizing fasteners post-deployment

Devices and methods are provided for stabilizing fasteners post-deployment. In general, the devices and methods can allow fasteners to resist counter rotation after being deployed. A fastener can be configured to resist counter rotation in a variety of ways. In some embodiments, a staple can include one or more anti-rotation mechanisms configured to resist counter rotation of the staple when the staple is deployed in tissue. In some embodiments, an orientation of a fastener relative to an orientation of one or more fasteners deployed adjacent thereto can be configured to help prevent counter rotation.

SELECTIVELY ORIENTABLE IMPLANTABLE FASTENER CARTRIDGE

A fastener cartridge can comprise a compressible, collapsible, and/or crushable cartridge body and fasteners embedded within the cartridge body which can be utilized to fasten tissue. In use, the fastener cartridge can be positioned in a first jaw of a surgical fastening device, wherein the first jaw can be positioned opposite a second jaw, or anvil. The anvil can be engaged with the fastener cartridge to compress, collapse, and/or crush the cartridge body and deform, or otherwise deploy, the fasteners contained therein. As the fasteners are deformed or deployed, the fasteners can capture at least a portion of the cartridge body therein along with at least a portion of the tissue being fastened. In various embodiments, the fastener cartridge and/or the first jaw can comprise retention features which can allow the fastener cartridge to be selectively inserted into the first jaw in a first orientation or a second orientation. 1. A staple cartridge , comprising:a plurality of staples; a first end, wherein said compressible material comprises a first thickness at said first end; and', 'a second end, wherein said compressible material comprises a second thickness at said second end, and wherein said first thickness is different than said second thickness; and, 'an implantable cartridge body, wherein said implantable cartridge body is comprised of a compressible material, wherein said plurality of staples are positioned within said compressible material, and wherein said implantable cartridge body comprisesretention features configured to retain said implantable cartridge body in a staple cartridge channel in a first orientation in which said first end of said staple cartridge is positioned in a distal end of the staple cartridge channel and a second orientation in which said second end of said staple cartridge is positioned in the distal end of the staple cartridge channel.2. The staple cartridge of claim 1 , wherein said second thickness is thicker than said first ...

GASTRIC BAND WITH ASYMMETRICAL MEMBER

An apparatus comprises a strap and an inflatable bladder secured to the strap. The apparatus is sized and configured to wrap along a first plane to encompass an anatomical feature such as an esophagus or stomach. The bladder may have a cross-sectional profile that is asymmetric about the first plane, such as a tapered profile or a contoured profile. The wall thickness of the bladder may be substantially uniform or may vary about the perimeter of the bladder. The bladder may include an expansion section that allows the bladder to transition from having a substantially flat cross-sectional configuration in a non-inflated state to having a substantially tapered cross-sectional configuration an inflated state. The expansion section may include folds, pleats, gussets, or the like. The strap may have a cross-sectional profile that is asymmetric about the first plane. Such a strap may include annular ribs of varying sizes. 1. An apparatus , comprising:(a) a strap, wherein the strap is sized and configured to wrap along a first plane to encompass an anatomical feature; and(b) an inflatable bladder secured to the strap, wherein the inflatable bladder is shaped such that the inflatable bladder has a cross-sectional profile that is asymmetric about the first plane.2. The apparatus of claim 1 , wherein the inflatable bladder includes an upper region generally above the first plane and a lower region generally below the first plane claim 1 , wherein the lower region has a cross-sectional profile that is wider than the cross-sectional profile of the upper region.3. The apparatus of claim 2 , wherein the inflatable bladder includes an inclined surface extending from the upper region to the lower region claim 2 , providing the inflatable bladder with a tapered cross-sectional profile.4. The apparatus of claim 1 , wherein the inflatable bladder comprises a wall defining an open space configured to receive a fluid claim 1 , wherein the wall has a thickness that is generally uniform ...

Needle for laparoscopic suturing instrument

A surgical needle includes a pair of ends, a mid-region extending between the ends, and at least one grasping feature configured for grasping by a suturing instrument. An end of a suture is secured to the mid-region of the needle in a manner such that the end of the suture defines an oblique angle with at least part of the centerline defined by the mid-region of the needle. The end of the suture may be disposed in a hollow portion of the needle. The grasping feature may include a notch such as a scallop. The suture may be pivotally coupled with the needle via a ball or pin. The needle may have one or more sharp points. The sharp point may include three converging cutting edges, at least two planar surfaces bounded by the three cutting edges, and a rounded surface bounded by two of the three cutting edges.

TISSUE MANIPULATION DEVICES

Tissue manipulation and retraction devices. In various forms, the manipulation devices include a cannula that is insertable through the abdominal wall. A plurality of independently controllable manipulation members extend through the cannula and are attachable to various forms of surgical tools. The surgical tools may be manipulated and controlled by a surgeon from a position outside of the patient. 1. A tissue manipulation device , comprising:a hollow cannula having a distal and a proximal end;a plurality of manipulation members, each said manipulation member having a manipulation distal end;an adjustment assembly coupled to said proximal end of said hollow cannula and operably interfacing with each of said plurality of manipulation members to selectively apply thereto separate actuation motions thereto; andat least one surgical tool removably coupled to at least one of said plurality of manipulation members, wherein each said surgical tool is at least initially configured to pass through said cannula.2. The tissue manipulation device of wherein each of said plurality of manipulation members comprises a substantially ductile manipulation cable.3. The tissue manipulation device of further comprising a locking assembly interfacing with said adjustment assembly to selectively prevent actuation of said adjustment assembly.4. The tissue manipulation device of claim I wherein said adjustment assembly is operably supported on a body coupled to said proximal end of said hollow cannula and wherein said adjustment assembly comprises:a plurality of actuator members operably supported on said body wherein each of said rotatable wheels operably interfaces with a corresponding one of said plurality of manipulation members; andlocking means interfacing with said plurality of actuator members for selectively locking said actuator members in unactuatable positions.5. The tissue manipulation device of wherein each of said plurality of manipulation members comprises a manipulation ...

EXPANDABLE TISSUE THICKNESS COMPENSATOR

A tissue thickness compensator may generally comprise a biocompatible material, a first component, and a second component, wherein the first component and second component form a reaction product to expand the tissue thickness compensator. The first component may comprise a first hydrogel precursor, the second component may comprise a second hydrogel precursor, and the reaction product may comprise a hydrogel. The reaction product may be formed in vivo and/or in situ by contacting the first component and the second component. The first component and/or second component may be encapsulated and configured to release the components when ruptured. The reaction product may comprise a fluid-swellable composition. Articles of manufacture comprising the tissue thickness compensator and methods of making and using the tissue thickness compensator are also described. 1. A tissue thickness compensator comprising:a biocompatible material;a first component; anda second component;wherein the first component and second component form a reaction product to expand the tissue thickness compensator.2. The tissue thickness compensator of claim 1 , further comprising an encapsulated component comprising one of the first component and second component claim 1 , wherein the other of the first component and second component is embedded in the biocompatible material.3. The tissue thickness compensator of claim 1 , wherein the first component comprises a hydrophilic material embedded in the biocompatible material and the second component is a bodily fluid.4. The tissue thickness compensator of comprising a first encapsulated component comprising the first component and a second encapsulated component comprising the second component.5. The tissue thickness compensator of claim 4 , wherein the biocompatible comprises at least one encapsulation comprising the first encapsulated component and the second encapsulated component.6. The tissue thickness compensator of claim 4 , wherein the first ...

TISSUE THICKNESS COMPENSATOR COMPRISING CONTROLLED RELEASE AND EXPANSION

A tissue thickness compensator may generally comprise a first layer comprising a first biocompatible material sealingly enclosed in a water impermeable material and a second layer comprising a second biocompatible material comprising at least one encapsulation, wherein the first biocompatible material expands when contacted with a fluid. The tissue thickness compensator may comprise a haemostatic agent, an anti-inflammatory agent, an antibiotic agent, anti-microbial agent, an anti-adhesion agent, an anti-coagulant agent, a medicament, and/or pharmaceutically active agent. The encapsulation may comprise a biodegradable material to degrade in vivo and/or in situ. The tissue thickness compensator may comprise a hydrogel. The reaction product may comprise a fluid-swellable composition. Articles of manufacture comprising the tissue thickness compensator and methods of making and using the tissue thickness compensator are also described. 1. A tissue thickness compensator comprising:a first layer comprising a first biocompatible material sealingly enclosed in a water impermeable material; anda second layer comprising a second biocompatible material comprising at least one encapsulation;wherein the first biocompatible material expands when contacted with a fluid.2. The tissue thickness compensator of comprising a third layer comprising a third biocompatible material claim 1 , wherein the first layer is intermediate the second layer and third layer.3. The tissue thickness compensator of claim 2 , wherein each of the first layer and second layer comprise a tissue-contacting surface.4. The tissue thickness compensator of claim 2 , wherein the first biocompatible material claim 2 , second biocompatible material claim 2 , and third biocompatible material are independently selected from albumin claim 2 , alginate claim 2 , carbohydrate claim 2 , casein claim 2 , cellulose claim 2 , chitin claim 2 , chitosan claim 2 , collagen claim 2 , blood claim 2 , dextran claim 2 , elastin ...

TISSUE THICKNESS COMPENSATORS

A two-part tissue thickness compensator assembly can include a first tissue thickness compensator configured to be positioned relative to an anvil of a surgical stapler, a second tissue thickness compensator configured to be positioned relative to a staple cartridge of the surgical stapler, and a hinge connecting the first tissue thickness compensator to the second tissue thickness compensator. The first and/or second tissue thickness compensators may include additional engagement features, such as a raised ridge that engages a slot in the anvil and/or the staple cartridge. In certain embodiments, the first and/or second tissue thickness compensators may include an encasement that contains a suitable biologic agent. An end effector assembly may be provided for attachment to a surgical instrument that includes, for example, a staple cartridge, an anvil, a first tissue thickness compensator positioned on the anvil, and a second tissue thickness compensator positioned on the staple cartridge. 1. A surgical stapler , comprising:a staple cartridge comprising a cartridge body comprising a plurality of staple cavities and a plurality of staples positioned within said staple cavities;an anvil configured for a facing relationship with said cartridge body, said anvil comprising at least one staple forming surface;a first tissue thickness compensator removably attached to said cartridge body, wherein said first tissue thickness compensator comprises a first thickness; anda second tissue thickness compensator removably attached to said anvil, wherein said second tissue thickness compensator comprises a second thickness, wherein said first and second tissue thickness compensators are configured to be captured within said staples and assume different compressed heights within different said staples, and wherein the sum of said first thickness and said second thickness is at least equal to a minimum thickness which provides adequate tissue thickness compensation within said ...

TISSUE THICKNESS COMPENSATOR AND METHOD FOR MAKING THE SAME

In various embodiments, a tissue thickness compensator can comprise a film body formed from a continuous extruded shape and, in addition, a fibrous medicament core. 1. A method of manufacturing a tissue thickness compensator , said method comprising the steps of:extruding a tube comprising an aperture including a first open end and a second open end;producing a strand of fibrous material comprising medicament properties;positioning said strand relative to said first open end of said aperture;inserting a grasper into said aperture through said second open end;grasping said strand with said grasper;pulling said strand through said aperture;releasing said strand; andremoving said grasper from said aperture through said second open end.2. The method of claim 1 , further comprising the step of flattening the tube.3. The method of claim 2 , wherein said flattening step occurs after said pulling step.4. The method of claim 1 , further comprising the step of segmenting said tube and said strand claim 1 , wherein said segmenting step occurs after said pulling step.5. The method of claim 1 , further comprising the step of fluffing the strand.6. The method of claim 5 , wherein said fluffing step occurs during said pulling step.7. The method of claim 1 , further comprising the step of making cuts in the strand.8. The method of claim 1 , further comprising the steps of closing the first open end and closing the second open end.9. A tissue thickness compensator manufactured by the method of .10. A compensator attachable to an anvil of a fastening instrument claim 1 , wherein the anvil includes a forming surface claim 1 , and wherein said compensator comprises:a tube comprising an aperture, a first end, and a second end;a yarn strand positioned within said aperture; andan attachment portion configured to be attached to the anvil.11. The compensator of claim 10 , wherein said yarn strand is comprised of oxidized regenerated cellulose.12. The compensator of claim 10 , wherein said ...

ULTRASONIC SURGICAL INSTRUMENTS WITH DISTALLY POSITIONED TRANSDUCERS

Various embodiments are direct to a surgical instrument comprising and end effector, an articulating shaft and an ultrasonic transducer assembly. The end effector may comprise an ultrasonic blade. The articulating shaft may extend proximally from the end effector along a longitudinal axis and may comprise a proximal shaft member and a distal shaft member pivotably coupled at an articulation joint. The ultrasonic transducer assembly may comprise an ultrasonic transducer acoustically coupled to the ultrasonic blade. The ultrasonic transducer assembly may be positioned distally from the articulation joint. 1. A surgical instrument comprising:an end effector to treat tissue, wherein the end effector comprises an ultrasonic blade; a proximal shaft member; and', 'a distal shaft member pivotably coupled to the proximal shaft member at an articulation joint; and, 'an articulating shaft extending proximally from the end effector along a longitudinal axis, wherein the articulating shaft comprisesan ultrasonic transducer assembly comprising an ultrasonic transducer acoustically coupled to the ultrasonic blade, wherein the ultrasonic transducer assembly is positioned distally from the articulation joint.2. The surgical instrument of claim 1 , further comprising:a first control member extending through the shaft; anda second control member extending through the shaft at a position substantially opposite the longitudinal axis from the first control member, wherein proximal translation of the first control member causes the distal shaft member and end effector to pivot towards the first control member.3. The surgical instrument of claim 1 , further comprising a clamp arm pivotable about a clamp arm pivot point from an open position to a closed position substantially parallel to the ultrasonic blade.4. The surgical instrument of claim 3 , wherein the clamp arm pivot point is offset from the longitudinal axis claim 3 , and wherein the surgical instrument further comprises:a clamp ...

DEVICES AND METHODS FOR FACILITATING EJECTION OF SURGICAL FASTENERS FROM CARTRIDGES

Devices and methods are provided for stabilizing fasteners post-deployment. Devices and methods are also provided for facilitating ejection of surgical fasteners from a cartridge. Devices and methods are also provided for guiding surgical fasteners. Devices and methods are also provided for facilitating closing and clamping of an end effector of a surgical device. Devices and methods are also provided for securing fasteners and adjunct materials to tissue. Devices and methods are also provided for removably coupling a cartridge to an end effector of a surgical device. Devices and methods are also provided for locking a surgical device based on loading of a fastener cartridge in the surgical device. Devices and methods are provided for adjusting a tissue gap of an end effector of a surgical device. Devices and methods are also provided for manually retracting a drive shaft, drive beam, and associated components. 1. A method for fastening tissue , comprising:engaging tissue between opposed jaws of an end effector; andadvancing a sled through the end effector to rotate a plurality of fasteners into the tissue, each fastener including an anti-rotation mechanism that substantially prevents counter-rotation of the fastener within the tissue.2. The method of claim 1 , wherein the fasteners plastically deform during rotation claim 1 , and are frangibly detached from a carrier disposed within the end effector.3. A method for fastening tissue claim 1 , comprising:engaging tissue between opposed jaws of an end effector; and wherein the sled causes a plurality of fasteners frangibly coupled to a carrier to rotate about a pivot point and into the tissue between the jaws, the fasteners at least partially shearing at the pivot point, and', 'wherein the shearing element subsequently shears the fasteners at the pivot point to separate the fasteners from the carrier., 'advancing a sled and a shearing element through one of the jaws,'}4. The method of claim 3 , wherein the shearing ...

NEEDLE FOR LAPAROSCOPIC SUTURING INSTRUMENT

A surgical needle includes a pair of ends, a mid-region extending between the ends, and at least one grasping feature configured for grasping by a suturing instrument. An end of a suture is secured to the mid-region of the needle in a manner such that the end of the suture defines an oblique angle with at least part of the centerline defined by the mid-region of the needle. The end of the suture may be disposed in a hollow portion of the needle. The grasping feature may include a notch such as a scallop. The suture may be pivotally coupled with the needle via a ball or pin. The needle may have one or more sharp points. The sharp point may include three converging cutting edges, at least two planar surfaces bounded by the three cutting edges, and a rounded surface bounded by two of the three cutting edges.

DEVICES AND METHODS FOR FACILITATING EJECTION OF SURGICAL FASTENERS FROM CARTRIDGES

Devices and methods are provided for stabilizing fasteners post-deployment. Devices and methods are also provided for facilitating ejection of surgical fasteners from a cartridge. Devices and methods are also provided for guiding surgical fasteners. Devices and methods are also provided for facilitating closing and clamping of an end effector of a surgical device. Devices and methods are also provided for securing fasteners and adjunct materials to tissue. Devices and methods are also provided for removably coupling a cartridge to an end effector of a surgical device. Devices and methods are also provided for locking a surgical device based on loading of a fastener cartridge in the surgical device. Devices and methods are provided for adjusting a tissue gap of an end effector of a surgical device. Devices and methods are also provided for manually retracting a drive shaft, drive beam, and associated components. 1. A method for fastening tissue , comprising:inserting an end effector into a body cavity of a patient's body, the end effector being coupled to a distal end of an elongate shaft extending from a handle positioned outside of the patient's body;manipulating the handle of the surgical device to position tissue between a cartridge jaw and an anvil of the end effector;actuating a closure mechanism to advance a pin through cam slots formed in each of the cartridge jaw and the anvil to cause the cartridge jaw and the anvil to engage the tissue positioned therebetween; andactuating a compression mechanism to move a proximal-most end of each of the anvil and the cartridge jaw away from one another to further compress the tissue engaged therebetween.2. The method of claim 1 , wherein actuating the compression mechanism comprises rotating a lobe cam disposed between a proximal-most end of each of the anvil and the cartridge jaw.3. The method of claim 1 , wherein actuating the compression mechanism comprises advancing a wedge distally along the elongate shaft and ...

Devices and Methods for Facilitating Ejection of Surgical Fasteners from Cartridges

Devices and methods are provided for stabilizing fasteners post-deployment. Devices and methods are also provided for facilitating ejection of surgical fasteners from a cartridge. Devices and methods are also provided for guiding surgical fasteners. Devices and methods are also provided for facilitating closing and clamping of an end effector of a surgical device. Devices and methods are also provided for securing fasteners and adjunct materials to tissue. Devices and methods are also provided for removably coupling a cartridge to an end effector of a surgical device. Devices and methods are also provided for locking a surgical device based on loading of a fastener cartridge in the surgical device. Devices and methods are provided for adjusting a tissue gap of an end effector of a surgical device. Devices and methods are also provided for manually retracting a drive shaft, drive beam, and associated components. 1. A method for fastening tissue , comprising:engaging tissue between opposed jaws of an end effector; andadvancing a sled through the end effector to rotate a plurality of fasteners into the tissue, each fastener including an anti-rotation mechanism that substantially prevents counter-rotation of the fastener within the tissue.2. The method of claim 1 , wherein the fasteners plastically deform during rotation claim 1 , and are frangibly detached from a carrier disposed within the end effector.3. A method for fastening tissue claim 1 , comprising:engaging tissue between opposed jaws of an end effector; and wherein the sled causes a plurality of fasteners frangibly coupled to a carrier to rotate about a pivot point and into the tissue between the jaws, the fasteners at least partially shearing at the pivot point, and', 'wherein the shearing element subsequently shears the fasteners at the pivot point to separate the fasteners from the carrier., 'advancing a sled and a shearing element through one of the jaws,'}4. The method of claim 3 , wherein the shearing ...

Devices and Methods for Stabilizing Fasteners Post-Deployment

Devices and methods are provided for stabilizing fasteners post-deployment. In general, the devices and methods can allow fasteners to resist counter rotation after being deployed. A fastener can be configured to resist counter rotation in a variety of ways. In some embodiments, a staple can include one or more anti-rotation mechanisms configured to resist counter rotation of the staple when the staple is deployed in tissue. In some embodiments, an orientation of a fastener relative to an orientation of one or more fasteners deployed adjacent thereto can be configured to help prevent counter rotation. 1. A surgical fastening device , comprising: first and second opposed jaws coupled to one another and configured to engage tissue therebetween, and', 'a staple cartridge disposed within the first jaw, the staple cartridge including a plurality of D-shaped, plastically deformable staples, each staple being configured to rotate in a first direction into tissue engaged between the first and second jaws, and each staple having an anti-rotation mechanism configured to prevent rotation in a second direction opposite to the first direction when the staples are deployed in tissue., 'an elongate shaft having an end effector coupled to a distal end thereof, the end effector including'}2. The device of claim 1 , wherein the anti-rotation mechanism comprises a barb formed on the staple and oriented in a direction to prevent counter-rotation of the staples.3. The device of claim 1 , wherein the anti-rotation mechanism comprises a coupling element formed on each staple and configured to receive a tip of an adjacent staple when deployed such that counter-rotation of the staples is prevented.4. The device of claim 1 , wherein each D-shaped staple includes a first leg that is substantially straight claim 1 , and a second leg that is curved.5. The device of claim 4 , wherein the anti-rotation mechanism on each staple comprises a barb is formed on an outer-facing surface of the second ...

Devices and Methods for Guiding Surgical Fasteners

Devices and methods are provided for guiding surgical fasteners. In general, the devices and methods can facilitate guidance of fasteners during deployment of the fasteners into tissue. In general, the surgical device can include one or more guidance features configured to facilitate guidance of the fasteners during ejection of the fasteners from the cartridge. The one or more guidance features can be configured to reduce lateral movement of the fasteners during deployment thereof. In an exemplary embodiment, each of the one or more guidance features can be configured to support a fastener on three sides thereof during deployment of the fastener. The one or more guidance features can be formed on the cartridge, e.g., formed on a surface thereof or formed on a sled disposed in the cartridge, and/or can be formed on a jaw that seats the cartridge. 1. A surgical fastening device , comprising:an elongate shaft;an end effector coupled to a distal end of the elongate shaft, the end effector including first and second opposed jaws coupled to one another and configured to engage tissue therebetween; and a plurality of staple-receiving recesses formed therein,', 'a plurality of D-shaped staples configured to rotate about a pivot point into tissue engaged between the first and second jaws, each staple being disposed within a staple-receiving recess, and', 'a plurality of guide members formed on the cartridge, each guide member extending from a surface of the cartridge at a location adjacent to a staple-receiving recess, and each guide member having an inner arcuate surface configured to guide a leg of a staple along an arcuate path and into tissue engaged between the first and second jaws., 'a staple cartridge disposed within the first jaw, the staple cartridge including'}2. The device of claim 1 , wherein each guide member includes opposed sidewalls configured to support and maintain alignment of a staple being rotatably advanced therethrough.3. The device of claim 1 , ...

Devices and Methods for Guiding Surgical Fasteners

Devices and methods are provided for guiding surgical fasteners. In general, the devices and methods can facilitate guidance of fasteners during deployment of the fasteners into tissue. In general, the surgical device can include one or more guidance features configured to facilitate guidance of the fasteners during ejection of the fasteners from the cartridge. The one or more guidance features can be configured to reduce lateral movement of the fasteners during deployment thereof In an exemplary embodiment, each of the one or more guidance features can be configured to support a fastener on three sides thereof during deployment of the fastener. The one or more guidance features can be formed on the cartridge, e.g., formed on a surface thereof or formed on a sled disposed in the cartridge, and/or can be formed on a jaw that seats the cartridge. 1. A surgical fastening device , comprising:an elongate shaft;an end effector coupled to a distal end of the elongate shaft, the end effector including first and second opposed jaws coupled to one another and configured to engage tissue therebetween; and a plurality of staple-receiving recesses formed therein,', 'a plurality of D-shaped staples configured to rotate about a pivot point into tissue engaged between the first and second jaws, each staple being disposed within a staple-receiving recess, and', 'a plurality of guide members formed on the cartridge, each guide member extending from a surface of the cartridge at a location adjacent to a staple-receiving recess, and each guide member having an inner arcuate surface configured to guide a leg of a staple along an arcuate path and into tissue engaged between the first and second jaws., 'a staple cartridge disposed within the first jaw, the staple cartridge including'}2. The device of claim 1 , wherein each guide member includes opposed sidewalls configured to support and maintain alignment of a staple being rotatably advanced therethrough.3. The device of claim 1 , ...

ELECTROSURGICAL END EFFECTOR WITH TISSUE TACKING FEATURES

An apparatus is provided for operating on tissue. The apparatus includes an end effector having an upper jaw and lower jaw. The upper and lower jaws each include an electrode surface. The apparatus also includes a tissue tacking cartridge coupled to one of either the upper jaw or the lower jaw. The tissue tacking cartridge includes at least one fastener positioned outside of the electrode surfaces. The fastener is operable to be deployed from the tissue tacking cartridge. A tack loading cartridge may also be operable to load the end effector with at least one fastener. 1. An apparatus for operating on tissue , the apparatus comprising: (i) an upper jaw, wherein the upper jaw comprises an electrode surface, and', '(ii) a lower jaw, wherein the lower jaw comprises an electrode surface corresponding with the electrode surface of the upper jaw; and, '(a) an end effector, wherein the end effector comprises(b) a tissue tacking cartridge, wherein the tissue tacking cartridge is coupled to one of either the upper jaw or the lower jaw, wherein the tissue tacking cartridge comprises at least one fastener, wherein the at least one fastener is positioned outside of the electrode surfaces, wherein the at least one fastener is operable to be deployed from the tissue tacking cartridge.2. The apparatus of claim 1 , wherein the lower jaw is fixed and the upper jaw is rotatable relative to the lower jaw claim 1 , wherein the tissue tacking cartridge is coupled to the lower jaw.3. The apparatus of claim 2 , wherein the end effector comprises a firing beam claim 2 , wherein the firing beam is configured to advance distally through the end effector claim 2 , wherein the firing beam is operable to deploy the at least one fastener from the tissue tacking cartridge.4. The apparatus of claim 3 , wherein the firing beam comprises fastener driving cams configured to deploy the at least one fastener from the tissue tacking cartridge.5. The apparatus of claim 3 , wherein the end effector ...

TISSUE THICKNESS COMPENSATOR CONFIGURED TO REDISTRIBUTE COMPRESSIVE FORCES

A tissue thickness compensator may generally comprise a compressible core comprising a plurality of movable particles, and a wrap surrounding the compressible core. The plurality of movable particles may comprise at least one medicament. A tissue thickness compensator may generally comprise a compressible core comprising a plurality of crushable particles, and a wrap surrounding the compressible core. The plurality of crushable particles may comprise at least one medicament. The compressible core may comprise a material selected from a group consisting of a biocompatible material. The wrap may comprise a material selected from a group consisting of a biocompatible material. Articles of manufacture comprising the tissue thickness compensator and methods of making and using the tissue thickness compensator are also described. 1. A tissue thickness compensator configured to redistribute compressive forces applied to said tissue thickness compensator , said tissue thickness compensator comprising:a compressible core comprising a plurality of crushable particles distributed within; anda wrap surrounding said compressible core.2. The tissue thickness compensator of claim 1 , wherein said crushable particles comprise at least one medicament.3. The tissue thickness compensator of claim 1 , wherein said compressible core comprises a material selected from the group consisting of albumin claim 1 , alginate claim 1 , carbohydrate claim 1 , casein claim 1 , cellulose claim 1 , chitin claim 1 , chitosan claim 1 , collagen claim 1 , blood claim 1 , dextran claim 1 , elastin claim 1 , fibrin claim 1 , fibrinogen claim 1 , gelatin claim 1 , heparin claim 1 , hyaluronic acid claim 1 , keratin claim 1 , protein claim 1 , serum claim 1 , starch claim 1 , poly(lactic acid) claim 1 , poly(glycolic acid) claim 1 , poly(hydroxybutyrate) claim 1 , poly(phosphazine) claim 1 , polyesters claim 1 , polyethylene glycols claim 1 , polyalkyleneoxides claim 1 , polyacrylamides claim 1 , ...

FORCE MODULATING TISSUE BRIDGES, ASSOCIATED TOOLS, KITS, AND METHODS

Force modulating tissue bridges, and associated applicators, kits and methods are provided. A force modulating tissue bridge can be a medical article for at least partially covering a wound and/or scar tissue. The medical article can include an elastic arch extending over an area, and a medial strut connected to the arch and extending into the area over which the central section extends. 1. A medical article for at least partially covering a wound and/or scar tissue , the medical article comprising: at least the central section of the body being elastically configured to be deformed from an at rest configuration to an extended configuration, and to return toward the at rest configuration in response to being released from the extended configuration, wherein the lower sections are farther apart from one another in the extended configuration than in the at rest configuration, and', 'a first of the flanges having opposite upper and lower surfaces that are each larger than a thickness defined between the upper and lower surfaces of the first flange; and, 'a body comprising a central section extending over an area, and flanges respectively extending outwardly from opposite lower sections of the central section,'} the foot pad extending inwardly into the area over which the central section extends,', 'the foot pad having opposite upper and lower surfaces that are each larger than a thickness defined between the upper and lower surfaces of the foot pad, and', 'the upper surface of the foot pad and the lower surface of the first flange facing toward one another., 'a foot pad connected to the first flange for at least partially moving with the first flange,'}2. The medical article according to claim 1 , wherein:the central section comprises an arch extending over the area over which the central section extends;the foot pad is a first foot pad;a second of the flanges has opposite upper and lower surfaces that are each larger than a thickness defined between the upper and ...

LOCKING ARRANGEMENTS FOR DETACHABLE SHAFT ASSEMBLIES WITH ARTICULATABLE SURGICAL END EFFECTORS

A surgical instrument. In one form, the surgical instrument includes a housing that has an interchangeable shaft assembly removably attached thereto. The interchangeable shaft assembly includes an elongate shaft that has a surgical end effector operably coupled thereto for selective articulation relative to the elongate shaft. An articulation system is configured to selectively apply articulation motions to the surgical end effector when the articulation system is in an actuated orientation. A locking arrangement prevents detachment of the interchangeable shaft assembly from the housing when the articulation system is in the actuated orientation. 1. A surgical instrument comprising:a housing;an interchangeable shaft assembly removably attached to said housing and comprising an elongate shaft;a surgical end effector operably coupled to said elongate shaft for selective articulation relative thereto;an articulation system configured to selectively apply articulation motions to said surgical end effector when said articulation system is in an actuated orientation; andmeans for preventing detachment of said interchangeable shaft assembly from said housing when said articulation system is in said actuated orientation.2. The surgical instrument of wherein said interchangeable shaft assembly is removably coupled to said housing by a latch member that is selectively movable between a latched position and an unlatched position and wherein said means for preventing detachment operable interfaces with said articulation system and said latch member.3. The surgical instrument of wherein said articulation system comprises:an articulation actuator movably supported on said interchangeable shaft assembly and being selectively movable between an unactuated orientation wherein said surgical end effector is in an unarticulated orientation and a plurality of actuated orientations wherein said surgical end effector is articulated relative to a shaft axis defined by said elongate shaft;a ...

TISSUE THICKNESS COMPENSATOR CONFIGURED TO REDISTRIBUTE COMPRESSIVE FORCES

A tissue thickness compensator may generally comprise a compressible core comprising a plurality of movable particles, and a wrap surrounding the compressible core. The plurality of movable particles may comprise at least one medicament. A tissue thickness compensator may generally comprise a compressible core comprising a plurality of crushable particles, and a wrap surrounding the compressible core. The plurality of crushable particles may comprise at least one medicament. The compressible core may comprise a material selected from a group consisting of a biocompatible material. The wrap may comprise a material selected from a group consisting of a biocompatible material. Articles of manufacture comprising the tissue thickness compensator and methods of making and using the tissue thickness compensator are also described. 1. A tissue thickness compensator configured to redistribute compressive forces applied to said tissue thickness compensator , said tissue thickness compensator comprising:a compressible core comprising a plurality of crushable particles distributed within; anda wrap surrounding said compressible core.2. The tissue thickness compensator of claim 1 , wherein said crushable particles comprise at least one medicament.3. The tissue thickness compensator of claim 1 , wherein said compressible core comprises a material selected from the group consisting of albumin claim 1 , alginate claim 1 , carbohydrate claim 1 , casein claim 1 , cellulose claim 1 , chitin claim 1 , chitosan claim 1 , collagen claim 1 , blood claim 1 , dextran claim 1 , elastin claim 1 , fibrin claim 1 , fibrinogen claim 1 , gelatin claim 1 , heparin claim 1 , hyaluronic acid claim 1 , keratin claim 1 , protein claim 1 , serum claim 1 , starch claim 1 , poly(lactic acid) claim 1 , poly(glycolic acid) claim 1 , poly(hydroxybutyrate) claim 1 , poly(phosphazine) claim 1 , polyesters claim 1 , polyethylene glycols claim 1 , polyalkyleneoxides claim 1 , polyacrylamides claim 1 , ...

TISSUE THICKNESS COMPENSATOR CONFIGURED TO REDISTRIBUTE COMPRESSIVE FORCES

A tissue thickness compensator may generally comprise a compressible core comprising a plurality of movable particles, and a wrap surrounding the compressible core. The plurality of movable particles may comprise at least one medicament. A tissue thickness compensator may generally comprise a compressible core comprising a plurality of crushable particles, and a wrap surrounding the compressible core. The plurality of crushable particles may comprise at least one medicament. The compressible core may comprise a material selected from a group consisting of a biocompatible material. The wrap may comprise a material selected from a group consisting of a biocompatible material. Articles of manufacture comprising the tissue thickness compensator and methods of making and using the tissue thickness compensator are also described. 1. A tissue thickness compensator configured to redistribute compressive forces applied to said tissue thickness compensator , said tissue thickness compensator comprising:a compressible core comprising a plurality of crushable particles distributed within; anda wrap surrounding said compressible core.2. The tissue thickness compensator of claim 1 , wherein said crushable particles comprise at least one medicament.3. The tissue thickness compensator of claim 1 , wherein said compressible core comprises a material selected from the group consisting of albumin claim 1 , alginate claim 1 , carbohydrate claim 1 , casein claim 1 , cellulose claim 1 , chitin claim 1 , chitosan claim 1 , collagen claim 1 , blood claim 1 , dextran claim 1 , elastin claim 1 , fibrin claim 1 , fibrinogen claim 1 , gelatin claim 1 , heparin claim 1 , hyaluronic acid claim 1 , keratin claim 1 , protein claim 1 , serum claim 1 , starch claim 1 , poly(lactic acid) claim 1 , poly(glycolic acid) claim 1 , poly(hydroxybutyrate) claim 1 , poly(phosphazine) claim 1 , polyesters claim 1 , polyethylene glycols claim 1 , polyalkyleneoxides claim 1 , polyacrylamides claim 1 , ...

Medical Device for Applying Force on Biological Tissue, or the Like

A medical device for at least partially covering and applying force on tissue includes a body having a spanning structure and struts respectively connected to lateral portions of the spanning structure. Inner ends of the struts extend into an area over which the medial portion of the spanning structure extends. The medical device is reconfigurable between extended and retracted configurations. The inner ends of the struts are closer to one another in the retracted configuration than in the extended configuration. The inner ends of the struts are closer to the medial portion of the spanning structure in the retracted configuration than in the extended configuration. Each strut includes an engagement zone configured to engage and apply force on the tissue, at least while the medical device is in the retracted configuration. A web can be connected to the struts and span between the inner ends of the struts. 1. A medical device for at least partially covering and applying force on tissue , the medical device comprising: at least one spanning structure, and', 'first and second struts connected to the spanning structure;, 'a body comprising the medical device is reconfigurable between at least first and second stable equilibrium configurations, and', 'the medical device has at least one unstable equilibrium configuration between the first and second stable equilibrium configurations; and, 'at least a portion of the medical device being flexible and multistable so thatthe medical device being configured so that inner ends of the first and second struts are closer to one another in the second stable equilibrium configuration than in the first stable equilibrium configuration.2. The medical device according to claim 1 , wherein:the first stable equilibrium configuration comprises a concave-up stable equilibrium configuration, andthe second stable equilibrium configuration comprises a concave-down stable equilibrium configuration.3. The medical device according to claim 1 , ...

FORCE MODULATING TISSUE BRIDGES, ASSOCIATED TOOLS, KITS, AND METHODS

Force modulating tissue bridges, and associated applicators, kits and methods are provided. A force modulating tissue bridge can be a medical article for at least partially covering a wound and/or scar tissue. The medical article can include an elastic arch extending over an area, and a medial strut connected to the arch and extending into the area over which the central section extends.

LAYER OF MATERIAL FOR A SURGICAL END EFFECTOR

A staple cartridge assembly comprising a tissue thickness compensator is disclosed. The tissue thickness compensator comprises a first fibrous, woven material and a second fibrous, woven material. The first fibrous, woven material comprises a density which is different than the density of the second fibrous, woven material. The tissue thickness compensator is configured to expand upon contact with a fluid in order to apply a compressive force to tissue captured within staples. 1. A staple cartridge assembly , comprising: a cartridge deck;', 'staple cavities; and', 'a plurality of staples stored in said staple cavities, wherein said staples are deformable to a formed height;, 'a staple cartridge, comprising a first fibrous, woven material; and', 'a second fibrous, woven material, wherein said first fibrous, woven material comprises a first density and said second fibrous, woven material comprises a second density which is different than said first density, and wherein said tissue thickness compensator is configured to expand upon contact with a fluid in order to apply a compressive force to tissue captured within said staples., 'a tissue thickness compensator positionable on said cartridge deck, comprising2. The staple cartridge assembly of claim 1 , wherein said tissue thickness compensator comprises an initial height before said tissue thickness compensator is captured within said staples claim 1 , wherein said initial height is greater than said formed height of said staples.3. The staple cartridge assembly of claim 1 , wherein said first fibrous claim 1 , woven material is more hydrophilic than said second fibrous claim 1 , woven material.4. The staple cartridge assembly of claim 1 , wherein said first fibrous claim 1 , woven material is denser than said second fibrous claim 1 , woven material.5. The staple cartridge assembly of claim 1 , wherein said first fibrous claim 1 , woven material comprises an exterior layer of said tissue thickness compensator.6. The ...

TISSUE THICKNESS COMPENSATOR CONFIGURED TO REDISTRIBUTE COMPRESSIVE FORCES

A tissue thickness compensator may generally comprise a compressible core comprising a plurality of movable particles, and a wrap surrounding the compressible core. The plurality of movable particles may comprise at least one medicament. A tissue thickness compensator may generally comprise a compressible core comprising a plurality of crushable particles, and a wrap surrounding the compressible core. The plurality of crushable particles may comprise at least one medicament. The compressible core may comprise a material selected from a group consisting of a biocompatible material. The wrap may comprise a material selected from a group consisting of a biocompatible material. Articles of manufacture comprising the tissue thickness compensator and methods of making and using the tissue thickness compensator are also described. 1. A tissue thickness compensator configured to redistribute compressive forces applied to said tissue thickness compensator , said tissue thickness compensator comprising:a compressible core comprising a plurality of crushable particles distributed within; anda wrap surrounding said compressible core.2. The tissue thickness compensator of claim 1 , wherein said crushable particles comprise at least one medicament.3. The tissue thickness compensator of claim 1 , wherein said compressible core comprises a material selected from the group consisting of albumin claim 1 , alginate claim 1 , carbohydrate claim 1 , casein claim 1 , cellulose claim 1 , chitin claim 1 , chitosan claim 1 , collagen claim 1 , blood claim 1 , dextran claim 1 , elastin claim 1 , fibrin claim 1 , fibrinogen claim 1 , gelatin claim 1 , heparin claim 1 , hyaluronic acid claim 1 , keratin claim 1 , protein claim 1 , serum claim 1 , starch claim 1 , poly(lactic acid) claim 1 , poly(glycolic acid) claim 1 , poly(hydroxybutyrate) claim 1 , poly(phosphazine) claim 1 , polyesters claim 1 , polyethylene glycols claim 1 , polyalkyleneoxides claim 1 , polyacrylamides claim 1 , ...

TISSUE THICKNESS COMPENSATOR CONFIGURED TO REDISTRIBUTE COMPRESSIVE FORCES

A tissue thickness compensator may generally comprise a compressible core comprising a plurality of movable particles, and a wrap surrounding the compressible core. The plurality of movable particles may comprise at least one medicament. A tissue thickness compensator may generally comprise a compressible core comprising a plurality of crushable particles, and a wrap surrounding the compressible core. The plurality of crushable particles may comprise at least one medicament. The compressible core may comprise a material selected from a group consisting of a biocompatible material. The wrap may comprise a material selected from a group consisting of a biocompatible material. Articles of manufacture comprising the tissue thickness compensator and methods of making and using the tissue thickness compensator are also described. 118-. (canceled)19. A surgical stapler , comprising:a first jaw comprising a first bioabsorbable matrix; anda second jaw comprising a second bioabsorbable matrix, wherein at least one of said first jaw and said second jaw is moveable between an open position and a closed position to clamp tissue between said first bioabsorbable matrix and said second bioabsorbable matrix;wherein at least one of said first bioabsorbable matrix and said second bioabsorbable matrix comprises a plurality of layers including a fibrous layer, wherein said fibrous layer further comprises a plurality of deformable structures each having an equilibrium configuration, and wherein said deformable structures are expandable and compressible from said equilibrium configurations to reshape said fibrous layer and accommodate for variations in tissue thickness when tissue is clamped between said first bioabsorbable matrix and said second bioabsorbable matrix.20. The surgical stapler of claim 19 , wherein said fibrous layer comprises a woven material.21. The surgical stapler of claim 20 , wherein said fibrous layer further comprises a fiber selected from the group consisting of ...

LOCKING ARRANGEMENTS FOR DETACHABLE SHAFT ASSEMBLIES WITH ARTICULATABLE SURGICAL END EFFECTORS

A surgical instrument. In one form, the surgical instrument includes a housing that has an interchangeable shaft assembly removably attached thereto. The interchangeable shaft assembly includes an elongate shaft that has a surgical end effector operably coupled thereto for selective articulation relative to the elongate shaft. An articulation system is configured to selectively apply articulation motions to the surgical end effector when the articulation system is in an actuated orientation. A locking arrangement prevents detachment of the interchangeable shaft assembly from the housing when the articulation system is in the actuated orientation. 1. A surgical instrument comprising:a housing;an interchangeable shaft assembly removably attached to said housing and comprising an elongate shaft;a surgical end effector operably coupled to said elongate shaft for selective articulation relative thereto;an articulation system configured to selectively apply articulation motions to said surgical end effector when said articulation system is in an actuated orientation; andmeans for preventing detachment of said interchangeable shaft assembly from said housing when said articulation system is in said actuated orientation.220-. (canceled)21. A surgical instrument , comprising:a housing;an interchangeable shaft assembly removably attached to said housing and comprising an elongate shaft;a surgical end effector operably coupled to said elongate shaft for selective articulation between an unarticulated position and articulated positions relative to said elongate shaft;a latch assembly coupled to one of said elongate shaft and said housing, said latch assembly being selectively movable between a latched position wherein said interchangeable shaft assembly is retained in operable engagement with said housing and an unlatched position wherein said interchangeable shaft assembly is detachable from said housing; anda locking assembly interfacing with said latch assembly and ...

DEVICES AND METHODS FOR FACILITATING EJECTION OF SURGICAL FASTENERS FROM CARTRIDGES

Devices and methods are provided for stabilizing fasteners post-deployment. Devices and methods are also provided for facilitating ejection of surgical fasteners from a cartridge. Devices and methods are also provided for guiding surgical fasteners. Devices and methods are also provided for facilitating closing and clamping of an end effector of a surgical device. Devices and methods are also provided for securing fasteners and adjunct materials to tissue. Devices and methods are also provided for removably coupling a cartridge to an end effector of a surgical device. Devices and methods are also provided for locking a surgical device based on loading of a fastener cartridge in the surgical device. Devices and methods are provided for adjusting a tissue gap of an end effector of a surgical device. Devices and methods are also provided for manually retracting a drive shaft, drive beam, and associated components. 1. A surgical device , comprising:a proximal housing;a shaft extending distally from the housing;an end effector coupled to a distal end of the shaft, the end effector including a cartridge jaw and an anvil configured to move between an open position and a closed position in which tissue can be engaged therebetween;an I-beam configured to move distally relative to the cartridge jaw and the anvil and thereby drive staples into tissue engaged between the cartridge jaw and the anvil;an elongate member disposed at least partially in the shaft and configured to move distally relative to the shaft and thereby cause the I-beam to move distally relative to the cartridge jaw and the anvil; anda gear operably coupled to the I-beam configured to be rotated and thereby cause the I-beam to move proximally relative to the cartridge jaw and the anvil.2. The device of claim 1 , wherein the gear is located in the proximal housing.3. The device of claim 1 , wherein the gear does not rotate during the distal movement of the elongate member relative to the shaft or during the ...

Gastric band with asymmetrical member

An apparatus comprises a strap and an inflatable bladder secured to the strap. The apparatus is sized and configured to wrap along a first plane to encompass an anatomical feature such as an esophagus or stomach. The bladder may have a cross-sectional profile that is asymmetric about the first plane, such as a tapered profile or a contoured profile. The wall thickness of the bladder may be substantially uniform or may vary about the perimeter of the bladder. The bladder may include an expansion section that allows the bladder to transition from having a substantially flat cross-sectional configuration in a non-inflated state to having a substantially tapered cross-sectional configuration an inflated state. The expansion section may include folds, pleats, gussets, or the like. The strap may have a cross-sectional profile that is asymmetric about the first plane. Such a strap may include annular ribs of varying sizes.

Locking arrangements for detachable shaft assemblies with articulatable surgical end effectors

A surgical instrument. In one form, the surgical instrument includes a housing that has an interchangeable shaft assembly removably attached thereto. The interchangeable shaft assembly includes an elongate shaft that has a surgical end effector operably coupled thereto for selective articulation relative to the elongate shaft. An articulation system is configured to selectively apply articulation motions to the surgical end effector when the articulation system is in an actuated orientation. A locking arrangement prevents detachment of the interchangeable shaft assembly from the housing when the articulation system is in the actuated orientation.

Medical Device for Applying Force on Biological Tissue, or the Like

A medical device for at least partially covering and applying force on tissue includes a body having a spanning structure and struts respectively connected to lateral portions of the spanning structure. Inner ends of the struts extend into an area over which the medial portion of the spanning structure extends. The medical device is reconfigurable between extended and retracted configurations. The inner ends of the struts are closer to one another in the retracted configuration than in the extended configuration. The inner ends of the struts are closer to the medial portion of the spanning structure in the retracted configuration than in the extended configuration. Each strut includes an engagement zone configured to engage and apply force on the tissue, at least while the medical device is in the retracted configuration. A web can be connected to the struts and span between the inner ends of the struts. 1. A medical device for at least partially covering and applying force on tissue , the medical device comprising: the at least one spanning structure extends over an area,', 'inner ends of the struts extend into the area,', 'a gap is defined between the inner ends of the struts,', 'at least a portion of the body is flexible so that the medical device is reconfigurable between first and second configurations, and', 'the inner ends of the struts are closer to one another in the second configuration than in the first configuration;, 'a body comprising at least one spanning structure having a medial portion positioned between lateral portions, and struts connected to the lateral portions, whereina flexible web connected to the body and spanning across the gap between the inner ends of the struts, wherein at least a portion of the web is configured to engage and apply force on tissue; anda release liner connected to the flexible web.2. The medical device according to claim 1 , wherein:the flexible web comprises adhesive configured to adhere the medical device to tissue; ...

Tissue thickness compensators

A two-part tissue thickness compensator assembly can include a first tissue thickness compensator configured to be positioned relative to an anvil of a surgical stapler, a second tissue thickness compensator configured to be positioned relative to a staple cartridge of the surgical stapler, and a hinge connecting the first tissue thickness compensator to the second tissue thickness compensator. The first and/or second tissue thickness compensators may include additional engagement features, such as a raised ridge that engages a slot in the anvil and/or the staple cartridge. In certain embodiments, the first and/or second tissue thickness compensators may include an encasement that contains a suitable biologic agent. An end effector assembly may be provided for attachment to a surgical instrument that includes, for example, a staple cartridge, an anvil, a first tissue thickness compensator positioned on the anvil, and a second tissue thickness compensator positioned on the staple cartridge.

Locking arrangements for detachable shaft assemblies with articulatable surgical end effectors

A surgical instrument. In one form, the surgical instrument includes a housing that has an interchangeable shaft assembly removably attached thereto. The interchangeable shaft assembly includes an elongate shaft that has a surgical end effector operably coupled thereto for selective articulation relative to the elongate shaft. An articulation system is configured to selectively apply articulation motions to the surgical end effector when the articulation system is in an actuated orientation. A locking arrangement prevents detachment of the interchangeable shaft assembly from the housing when the articulation system is in the actuated orientation.

Robotically-controlled motorized surgical end effector system with rotary actuated closure systems having variable actuation speeds

A surgical tool for use with a robotic system includes an end effector comprising at least one component portion selectively movable between first and second positions and a shaft including an axially movable portion in operable communication with the at least one selectively movable component portion and a rotatably movable portion in operable engagement with the axially movable portion. An initial rotation of the rotatably movable portion causes the axially movable portion to move the selectively movable component portion from the first position into an intermediate position at a first rate. A subsequent rotation of the rotatably movable portion in a same direction causes the axially movable portion to move the selectively movable component portion from the intermediate position to the second position at a second rate different from the first rate.

Ultrasonic surgical instruments with distally positioned transducers

Various embodiments are direct to a surgical instrument comprising and end effector, an articulating shaft and an ultrasonic transducer assembly. The end effector may comprise an ultrasonic blade. The articulating shaft may extend proximally from the end effector along a longitudinal axis and may comprise a proximal shaft member and a distal shaft member pivotably coupled at an articulation joint. The ultrasonic transducer assembly may comprise an ultrasonic transducer acoustically coupled to the ultrasonic blade. The ultrasonic transducer assembly may be positioned distally from the articulation joint.

Tissue thickness compensator comprising controlled release and expansion

A tissue thickness compensator may generally comprise a first layer comprising a first biocompatible material sealingly enclosed in a water impermeable material and a second layer comprising a second biocompatible material comprising at least one encapsulation, wherein the first biocompatible material expands when contacted with a fluid. The tissue thickness compensator may comprise a haemostatic agent, an anti-inflammatory agent, an antibiotic agent, anti-microbial agent, an anti-adhesion agent, an anti-coagulant agent, a medicament, and/or pharmaceutically active agent. The encapsulation may comprise a biodegradable material to degrade in vivo and/or in situ. The tissue thickness compensator may comprise a hydrogel. The reaction product may comprise a fluid-swellable composition. Articles of manufacture comprising the tissue thickness compensator and methods of making and using the tissue thickness compensator are also described.

Expandable tissue thickness compensator

A tissue thickness compensator may generally comprise a biocompatible material, a first component, and a second component, wherein the first component and second component form a reaction product to expand the tissue thickness compensator. The first component may comprise a first hydrogel precursor, the second component may comprise a second hydrogel precursor, and the reaction product may comprise a hydrogel. The reaction product may be formed in vivo and/or in situ by contacting the first component and the second component. The first component and/or second component may be encapsulated and configured to release the components when ruptured. The reaction product may comprise a fluid-swellable composition. Articles of manufacture comprising the tissue thickness compensator and methods of making and using the tissue thickness compensator are also described.

Tissue thickness compensator and method for making the same

In various embodiments, a tissue thickness compensator can comprise a film body formed from a continuous extruded shape and, in addition, a fibrous medicament core.

Surgical implant with preferential corrosion zone

The present invention provides a surgical implant which can be made of a metal that corrodes while implanted in tissue of a patient. The surgical implant has a preferential corrosion zone adapted to corrode at a different rate than the rest of the surgical implant. In one embodiment, the surgical implant is surgical staple that may be formed into a “B-shape” when deployed into tissue, although the invention also is applicable to many other kinds of staples, clips, and other metallic surgical implants. In one embodiment, the preferential corrosion zone comprises an indentation that provides a site for crevice corrosion.

Articulation joint features for articulating surgical device

An electrosurgical device comprises a body, an end effector, a cutting member, and a shaft extending between the body and the end effector. The end effector includes a pair of jaws and at least one electrode operable to deliver RF energy to tissue clamped between the jaws. The cutting member is operable to cut tissue clamped between the jaws. The shaft includes an articulation section that is operable to selectively position the end effector at non-parallel positions relative to the longitudinal axis of the shaft. The articulation section may include beads, segments, asymmetric features, preformedly bent features, an integral hinge, a helical cutout or spring, clevis features, an angled joint, a beaded actuation linkage, and/or an offset pivot, among other things. The device may also include a crimped cutting member, a retroacting cutting member, dual pivoting jaws, and/or a wire tensioning assembly.

Selectively orientable implantable fastener cartridge

A fastener cartridge can comprise a compressible, collapsible, and/or crushable cartridge body and fasteners embedded within the cartridge body which can be utilized to fasten tissue. In use, the fastener cartridge can be positioned in a first jaw of a surgical fastening device, wherein the first jaw can be positioned opposite a second jaw, or anvil. The anvil can be engaged with the fastener cartridge to compress, collapse, and/or crush the cartridge body and deform, or otherwise deploy, the fasteners contained therein. As the fasteners are deformed or deployed, the fasteners can capture at least a portion of the cartridge body therein along with at least a portion of the tissue being fastened. In various embodiments, the fastener cartridge and/or the first jaw can comprise retention features which can allow the fastener cartridge to be selectively inserted into the first jaw in a first orientation or a second orientation.

Selectively orientable implantable fastener cartridge

A fastener cartridge comprises a compressible, collapsible, and/or crushable cartridge body and fasteners embedded within the cartridge body which can be utilized to fasten tissue. In use, the fastener cartridge can be positioned in a first jaw of a surgical fastening device, wherein the first jaw can be positioned opposite a second jaw, or anvil. The anvil can be engaged with the fastener cartridge to compress, collapse, and/or crush the cartridge body and deform, or otherwise deploy, the fasteners contained therein. As the fasteners are deformed or deployed, the fasteners can capture at least a portion of the cartridge body therein along with at least a portion of the tissue being fastened. The fastener cartridge and/or the first jaw can comprise retention features which allow the fastener cartridge to be selectively inserted into the first jaw in a first orientation or a second orientation.

Surgical stapler comprising tissue thickness compensators

A two-part tissue thickness compensator assembly can include a first tissue thickness compensator configured to be positioned relative to an anvil of a surgical stapler, a second tissue thickness compensator configured to be positioned relative to a staple cartridge of the surgical stapler, and a hinge connecting the first tissue thickness compensator to the second tissue thickness compensator. The first and/or second tissue thickness compensators may include additional engagement features, such as a raised ridge that engages a slot in the anvil and/or the staple cartridge. In certain embodiments, the first and/or second tissue thickness compensators may include an encasement that contains a suitable biologic agent. An end effector assembly may be provided for attachment to a surgical instrument that includes, for example, a staple cartridge, an anvil, a first tissue thickness compensator positioned on the anvil, and a second tissue thickness compensator positioned on the staple cartridge.

Devices for stabilizing fasteners post-deployment

Devices and methods are described for stabilizing fasteners post-deployment. In general, the devices and methods can allow fasteners to resist counter rotation after being deployed. A fastener can be configured to resist counter rotation in a variety of ways. In some embodiments, a staple can include one or more anti-rotation mechanisms (1008, 1008a) configured to resist counter rotation of the staple when the staple is deployed in tissue. In some embodiments, an orientation of a fastener relative to an orientation of one or more fasteners deployed adjacent thereto can be configured to help prevent counter rotation.

SURGICAL STAPLER

compensadores de espessura de tecido. a presente invenção refere-se a um conjunto compensador de espessura de tecido de duas partes que pode incluir um primeiro compensador de espessura de tecido configurado para ser posicionado em relação a uma bigorna de um grampeador cirúrgico, um segundo compensador de espessura de tecido configurado para ser posicionado em relação a um cartucho de grampos do grampeador cirúrgico, e uma dobradiça conectando o primeiro compensador de espessura de tecido ao segundo compensador de espessura de tecido. o primeiro e/ou o segundo compensadores de espessura de tecido podem incluir recursos adicionais de engate, como um uma crista saliente que engata uma fenda na bigorna e/ou no cartucho de grampos. em certas modalidades, o primeiro e/ou o segundo compensadores de espessura de tecido podem incluir um envoltório que contém um agente biológico adequado. um conjunto de atuador de extremidade pode ser fornecido para fixação a um instrumento cirúrgico que inclui, por exemplo, um cartucho de grampos, uma bigorna, um primeiro compensador de espessura de tecido posicionado na bigorna, e um segundo compensador de espessura de tecido posicionado no cartucho de grampos. fabric thickness compensators. The present invention relates to a two-part tissue thickness compensator assembly which may include a first tissue thickness compensator configured to be positioned relative to an anvil of a surgical stapler, a second tissue thickness compensator configured to being positioned relative to a staple cartridge of the surgical stapler, and a hinge connecting the first tissue thickness compensator to the second tissue thickness compensator. the first and/or second fabric thickness compensators may include additional engagement features, such as a raised ridge that engages a slot in the anvil and/or staple cartridge. in certain embodiments, the first and/or second tissue thickness compensators may include a wrapper that contains a suitable biological agent. ...

Devices and methods for facilitating ejection of surgical fasteners from cartridges

Devices and methods are provided for stabilizing fasteners post-deployment. Devices and methods are also provided for facilitating ejection of surgical fasteners from a cartridge. Devices and methods are also provided for guiding surgical fasteners. Devices and methods are also provided for facilitating closing and clamping of an end effector of a surgical device. Devices and methods are also provided for securing fasteners and adjunct materials to tissue. Devices and methods are also provided for removably coupling a cartridge to an end effector of a surgical device. Devices and methods are also provided for locking a surgical device based on loading of a fastener cartridge in the surgical device. Devices and methods are provided for adjusting a tissue gap of an end effector of a surgical device. Devices and methods are also provided for manually retracting a drive shaft, drive beam, and associated components.

Tissue thickness compensators

A two-part tissue thickness compensator assembly can include a first tissue thickness compensator configured to be positioned relative to an anvil of a surgical stapler, a second tissue thickness compensator configured to be positioned relative to a staple cartridge of the surgical stapler, and a hinge connecting the first tissue thickness compensator to the second tissue thickness compensator. The first and/or second tissue thickness compensators may include additional engagement features, such as a raised ridge that engages a slot in the anvil and/or the staple cartridge. In certain embodiments, the first and/or second tissue thickness compensators may include an encasement that contains a suitable biologic agent. An end effector assembly may be provided for attachment to a surgical instrument that includes, for example, a staple cartridge, an anvil, a first tissue thickness compensator positioned on the anvil, and a second tissue thickness compensator positioned on the staple cartridge.

Tissue thickness compensators.

Un ensamble compensador de grosor de tejido de dos partes puede incluir un primer compensador de grosor de tejido que está configurado para ser ubicado con relación al yunque de una engrapadora quirúrgica, un segundo compensador de tejido que está configurado para ser ubicado con relación a un cartucho de grapas de la engrapadora quirúrgica, y una bisagra que conecta al primer compensador de grosor de tejido con el segundo compensador de grosor de tejido; el primero y/o el segundo compensadores de grosor de tejido pueden incluir características de acoplamiento adicionales, como un reborde elevado que se acopla a una ranura en el yunque y/o en el cartucho de grapas; en ciertas modalidades, el primero y/o el segundo compensadores de grosor de tejido pueden incluir un compartimiento que contiene un agente biológico adecuado; se puede proporcionar un ensamble efector de extremo para unirse al instrumento quirúrgico que incluye, por ejemplo, un cartucho de grapas, un yunque, un primer compensador de grosor de tejido ubicado en el yunque, y un segundo compensador de grosor de tejido ubicado en el cartucho de grapas.

Tissue stabilizing device for use in surgery

A tissue stabilization device for use during surgery having remotely actuated feet

Minimally invasive orthopaedic apparatus and methods

Electrosurgical instrument with minimally invasive jaws

A surgical instrument useful in harvesting blood vessels such as veins and arteries and for manipulating and grasping tissue. The instrument has a pair of jaws and a closing tube to open and close the jaws.

A tissue stabilization device for use during surgery having spherical curved feet

Surgical stapling instruments

Circular stapling instruments and anvil assemblies. The anvil assemblies may have collapsible anvil support members that may be inserted through an opening in a patient and then expanded to be attached to an anvil plate assembly that has a staple-forming surface thereon. The anvil support member is attachable to the anvil plate assembly in such a way that when the anvil assembly is coupled to the stapling head of a circular stapler, the staple- forming surface is in substantial registry with the staples supported in the stapling head. A variety of different anvil support members and anvil plate assemblies are disclosed.

Minimally invasive orthopaedic apparatus and methods

Apparatus and methods for use in the performance of minimally invasive orthopaedic procedures, including apparatus and methods for use in the performance of such procedures under the visualization of an endoscope, are herein disclosed. Such procedures include a minimally invasive intramedullary nailing procedure, a minimally invasive bone graft harvesting procedure, a minimally invasive pelvic osteotomy procedure, an orthopaedic implant revision procedure, and a minimally invasive percutaneous bone plating procedure.

Selectively orientable implantable fastener cartridge

Medical device for applying force on biological tissue, or the like

A medical device for at least partially covering and applying force on tissue includes a body having a spanning structure and struts respectively connected to lateral portions of the spanning structure. Inner ends of the struts extend into an area over which the medial portion of the spanning structure extends. The medical device is reconfigurable between extended and retracted configurations. The inner ends of the struts are closer to one another in the retracted configuration than in the extended configuration. The inner ends of the struts are closer to the medial portion of the spanning structure in the retracted configuration than in the extended configuration. Each strut includes an engagement zone configured to engage and apply force on the tissue, at least while the medical device is in the retracted configuration. A web can be connected to the struts and span between the inner ends of the struts.

surgical instrument

INSTRUMENTOS CIRÚRGICOS ULTRASSÔNICOS COM TRANSDUTORES SITUADOS EM POSIÇÃO DISTAL. Várias modalidades se referem a um instrumento cirúrgico que compreende um atuador de extremidade, uma haste articulável e um conjunto de transdutor ultrassônico. O atuador d e extremidade pode compreender uma lâmina ultrassônica. A haste articulável pode se estender proximalmente a partir do atuador de extremidade ao longo de um eixo longitudinal, e pode compreender um elemento de haste proximal e um elemento de haste distal articuladamente acoplados em uma junta articulada. O conjunto de transdutor ultrassônico pode compreender um transdutor ultrassônico acusticamente acoplado à lâmina ultrassônica. O conjunto de transdutor ultrassônico pode estar posicionado distalmente em relação à junta articulada. ULTRASONIC SURGICAL INSTRUMENTS WITH TRANSDUCERS LOCATED IN DISTAL POSITION. Various embodiments refer to a surgical instrument comprising an end actuator, an articulating rod, and an ultrasonic transducer assembly. The end actuator may comprise an ultrasonic blade. The pivotable stem may extend proximally from the end actuator along a longitudinal axis, and may comprise a proximal stem member and a distal stem member pivotally coupled to a swivel joint. The ultrasonic transducer assembly may comprise an ultrasonic transducer acoustically coupled to the ultrasonic blade. The ultrasonic transducer assembly can be positioned distally to the swivel joint.

Surgical stapling instruments

Circular stapling instruments and anvil assemblies. The anvil assemblies may have collapsible anvil support members that may be inserted through an opening in a patient and then expanded to be attached to an anvil plate assembly that has a staple-forming surface thereon. The anvil support member is attachable to the anvil plate assembly in such a way that when the anvil assembly is coupled to the stapling head of a circular stapler, the staple- forming surface is in substantial registry with the staples supported in the stapling head. A variety of different anvil support members and anvil plate assemblies are disclosed.

Method for endoscopic, transgastric access into the abdominal cavity

The present invention is a method for accessing the abdominal cavity of a patient in order to perform a medical procedure therein. In one embodiment the method includes the step of inserting a guide wire into the upper gastrointestinal tract, via a gastric opening in the gastric wall and an abdominal opening in the abdominal wall of the patient, the guide wire having a first end that extends from the mouth of the patient, and a second end that extends from the abdominal opening of the patient. The method further includes providing an access device in the form of an elongated sheath having a lumen therethrough, attaching the first end of the guide wire to the distal end of the elongated sheath, and pulling the second end of the guide wire to position the access device into the upper gastrointestinal tract, wherein the distal end of the access device extends into the abdominal cavity while the proximal end of the access device extends out of the mouth of the patient.

Expandable tissue thickness compensator.

Un compensador de grosor de tejido (70010, 70130, 70150, 70182) puede comprender en general material biocompatible, un primer componente (70010A) y un segundo componente (70010B), en donde el primer componente y el segundo componente forman un producto de reacción para expandir el compensador de grosor de tejido; el primer componente puede comprender un primer precursor de hidrogel, el segundo componente puede comprender un segundo precursor de hidrogel, y el producto de reacción puede comprender un hidrogel; el producto de reacción puede ser formado in vivo y/o in situ poniendo en contacto el primer componente y el segundo componente; el primer componente y/o el segundo componente pueden ser encapsulados y configurados para liberar los componentes cuando sean rotos; se describen también artículos de fabricación que comprenden el compensador de grosor de tejido y métodos para elaborar y usar el compensador de grosor de tejido.

Method and apparatus for use in the performance of endoscopic minimally invasive orthopaedic plating procedures

A tissue stabilization device for use during surgery having spherical curved feet

In accordance with the present invention there is provided a device for stabilizing and/or manipulating moving tissue, such as a beating heart, so as to facilitate surgical procedures on such tissues. The device includes a tube having a proximal end, a distal end and a lumen extending therebetween. The tube is operatively connected to a suction source so as to draw air through the tube from the distal end to the proximal end. The device further includes at least one foot operatively connected to the distal end of the tube. The foot extends laterally from the tube. In a preferred embodiment the device includes a pair of feet which are spaced apart laterally from each other. Each foot has a proximal surface, and a distal surface for making contact with the tissue. The distal surface of each foot has an outer perimeter having a substantially spherical profile. This spherical profile helps the device make better contact with the tissue, so the tissue can be more effectively manipulated.

Rotation actuator for endoscopic devices

Methods and devices are provided for rotating an end effector on a long, flexible medical device. The methods and devices utilize an actuator mechanism that is effective to rotate an end effector on the distal end of an elongate flexible shaft. The actuator mechanism is movable between a freely rotatable position and a rotationally resistant position. When the actuator mechanism is in a freely rotatable position, the actuator mechanism can be rotated to impart torque to the end effector, and thus at least a distal portion of the elongate shaft, to cause the end effector to rotate. In order to prevent the actuator mechanism from “freewheeling,” wherein the actuator mechanism freely rotates in an opposite direction upon release rather than the end effector rotating in the desired direction, the actuator mechanism can be moved to the rotationally resistant position.

Tissue thickness compensator and method for making the same

A tissue thickness compensator (33420) comprises a film body (33426) formed from a continuous extruded shape and a fibrous medicament core (33425).

Articulation joint features for articulating surgical device

An electrosurgical device comprises a body, an end effector, a cutting member, and a shaft extending between the body and the end effector. The end effector includes a pair of jaws and at least one electrode operable to deliver RF energy to tissue clamped between the jaws. The cutting member is operable to cut tissue clamped between the jaws. The shaft includes an articulation section that is operable to selectively position the end effector at non-parallel positions relative to the longitudinal axis of the shaft. The articulation section may include beads, segments, asymmetric features, preformedly bent features, an integral hinge, a helical cutout or spring, clevis features, an angled joint, a beaded actuation linkage, and/or an offset pivot, among other things. The device may also include a crimped cutting member, a retroacting cutting member, dual pivoting jaws, and/or a wire tensioning assembly.

Endoscopic Device

An endoscopic surgical instrument for performing a procedure inside a patient. The instrument includes a handle assembly including a grip for holding the instrument and controls for controlling movement of the instrument. An elongate shaft having a grip end is mounted on the handle assembly. The shaft has a working end opposite the grip end. The shaft has a proximal portion adjacent the grip end and a distal portion adjacent the working end. The proximal portion has a centerline and is selectively rotatable with respect to the handle assembly. The distal portion has a centerline and is selectively articulatable relative to the proximal portion of the shaft. The instrument includes an end effector mounted on the working end of the elongate shaft. The end effector is selectively rotatable about the distal portion of the shaft.

medical article to cover wound and / or scar

trata-se de pontes de tecido com modulação de força e aplicadores, kits e métodos associados. uma ponte de tecido com modulação de força pode ser um artigo médico para cobrir, pelo menos parcialmente, uma ferida e/ou cicatriz. o artigo médico pode incluir um arco elástico que se estende sobre uma área, e uma escora média conectada ao arco e que se estende para dentro da área sobre a qual a seção central se estende. These are force modulated fabric bridges and associated applicators, kits and methods. A force-modulating tissue bridge may be a medical article to at least partially cover a wound and / or scar. The medical article may include an elastic bow extending over an area, and an average anchor connected to the bow extending into the area over which the central section extends.

Surgical device for creating an anastomosis between first and second hollow organs

A surgical device (100) including: a punch (600) slidingly disposed in a housing (202) for forming a hole in a first vessel; a cartridge (200) movably disposed in the housing (102) between cutting and deploying positions, the cartridge (200) having a second vessel and a coupler (206) for coupling the first and second vessel loaded therein; a punch actuator (620) for sliding the punch (600) between the cutting and deploying positions; a cartridge actuator (1000) for moving the cartridge (200) between the cutting and deploying positions, wherein while in the cutting position, the punch (600) and cartridge (200) are in position to permit the punch (600) to form the hole in the first vessel and while in the deploying position, they are in position to deploy the second vessel; and a deployment mechanism (508) for deploying the second vessel and coupler (206) into the hole of the first vessel while the punch (600) and cartridge (200) are in the deploying position to create an anastamosis.

Articulation joint features for articulating surgical device

Locking arrangements for detachable shaft assemblies with articulatable surgical end effectors

A surgical instrument. In one form, the surgical instrument includes a housing that has an interchangeable shaft assembly removably attached thereto. The interchangeable shaft assembly includes an elongate shaft that has a surgical end effector operably coupled thereto for selective articulation relative to the elongate shaft. An articulation system is configured to selectively apply articulation motions to the surgical end effector when the articulation system is in an actuated orientation. A locking arrangement prevents detachment of the interchangeable shaft assembly from the housing when the articulation system is in the actuated orientation.

Ultrasonic surgical instruments with distally positioned transducers

Various embodiments are direct to a surgical instrument comprising and end effector, an articulating shaft and an ultrasonic transducer assembly. The end effector may comprise an ultrasonic blade. The articulating shaft may extend proximally from the end effector along a longitudinal axis and may comprise a proximal shaft member and a distal shaft member pivotably coupled at an articulation joint. The ultrasonic transducer assembly may comprise an ultrasonic transducer acoustically coupled to the ultrasonic blade. The ultrasonic transducer assembly may be positioned distally from the articulation joint.

Minimally invasive orthopaedic apparatus and methods

Apparatus (300, 302) and methods for use in the performance of minimally invasive orthopaedic procedures, including apparatus and methods for use in the performance of such procedures under the visualization of an endoscope (22), are herein disclosed. Such procedures include a minimally invasive intramedullary nailing procedure, a minimally invasive bone graft harvesting procedure, a minimally invasive pelvic osteotomy procedure, an orthopaedic implant revision procedure, and a minimally invasive percutaneous bone plating procedure.

A tissue stabilization device for use during surgery having a segmented shaft

In accordance with the present invention there is provided a device for stabilizing moving tissue, such as a beating heart, so as to facilitate surgical procedures on such tissue. The device includes a tube having a proximal end, a distal end and a lumen extending therebetween. The tube has a flexible hose extending through the lumen of the tube between its distal and proximal ends. The hose having a proximal end connected to a suction source so as to draw air through the tube from its distal end to its proximal end. The tube is made up of a plurality of segments which are detachable from one another. The device further includes at least one foot connected to the distal end of the tube. The foot extends laterally from the tube. In a preferred embodiment the device includes a pair of feet which are spaced apart laterally from each other. Each foot has a proximal surface, and a distal surface for making contact with the tissue.

Thermoforming apparatuses, machines, systems, and methods

An article can be thermoformed by providing a differential pressure across a layered assembly that includes the article positioned between a mold and a flexible sheet, so that at least both the article and the sheet together expanding toward the mold so the article moves into contact with the mold. The providing of the differential pressure can include the sheet obstructing an opening at least partially defined by the article, to restrict any leakage through the opening. The opening can become enlarged during the thermoforming. The opening can be a slit or hole cut in the article prior to the thermoforming. The article can be heated before and/or during the thermoforming, by way of conductive heat transfer from the sheet to the article and/or electromagnetic radiation by way of the sheet.

Layer of material for a surgical end effector

A staple cartridge assembly comprising a tissue thickness compensator is disclosed. The tissue thickness compensator comprises a first fibrous, woven material and a second fibrous, woven material. The first fibrous, woven material comprises a density which is different than the density of the second fibrous, woven material. The tissue thickness compensator is configured to expand upon contact with a fluid in order to apply a compressive force to tissue captured within staples.

Medical device for applying force on biological tissue, or the like

Force modulating tissue bridges, associated tools, kits, and methods

Force modulating tissue bridges, and associated applicators, kits and methods are provided. A force modulating tissue bridge can be a medical article for at least partially covering a wound and/or scar tissue. The medical article can include an elastic arch extending over an area, and a medial strut connected to the arch and extending into the area over which the central section extends.

Locking arrangements for detachable shaft assemblies with articulatable surgical end effectors

A surgical instrument. In one form, the surgical instrument includes a housing that has an interchangeable shaft assembly removably attached thereto. The interchangeable shaft assembly includes an elongate shaft that has a surgical end effector operably coupled thereto for selective articulation relative to the elongate shaft. An articulation system is configured to selectively apply articulation motions to the surgical end effector when the articulation system is in an actuated orientation. A locking arrangement prevents detachment of the interchangeable shaft assembly from the housing when the articulation system is in the actuated orientation.

Force modulating tissue bridges

Force modulating tissue bridges, and associated applicators, kits and methods are provided. A force modulating tissue bridge can be a medical article for at least partially covering a wound and/or scar tissue. The medical article can include an elastic arch extending over an area, and a medial strut connected to the arch and extending into the area over which the central section extends.

Tissue thickness compensator comprising controlled release and expansion

A tissue thickness compensator may generally comprise a first layer comprising a first biocompatible material sealingly enclosed in a water impermeable material and a second layer comprising a second biocompatible material comprising at least one encapsulation, wherein the first biocompatible material expands when contacted with a fluid. The tissue thickness compensator may comprise a haemostatic agent, an anti-inflammatory agent, an antibiotic agent, anti-microbial agent, an anti-adhesion agent, an anti-coagulant agent, a medicament, and/or pharmaceutically active agent. The encapsulation may comprise a biodegradable material to degrade in vivo and/or in situ. The tissue thickness compensator may comprise a hydrogel. The reaction product may comprise a fluid-swellable composition. Articles of manufacture comprising the tissue thickness compensator and methods of making and using the tissue thickness compensator are also described.

Locking arrangements for detachable shaft assemblies with articulatable surgical end effectors

A surgical instrument. In one form, the surgical instrument includes a housing that has an interchangeable shaft assembly removably attached thereto. The interchangeable shaft assembly includes an elongate shaft that has a surgical end effector operably coupled thereto for selective articulation relative to the elongate shaft. An articulation system is configured to selectively apply articulation motions to the surgical end effector when the articulation system is in an actuated orientation. A locking arrangement prevents detachment of the interchangeable shaft assembly from the housing when the articulation system is in the actuated orientation.

Layer of material for a surgical end effector

A staple cartridge assembly comprising a tissue thickness compensator is disclosed. The tissue thickness compensator comprises a first fibrous, woven material and a second fibrous, woven material. The first fibrous, woven material comprises a density which is different than the density of the second fibrous, woven material. The tissue thickness compensator is configured to expand upon contact with a fluid in order to apply a compressive force to tissue captured within staples.

Applicator tool capable of use with force modulating tissue bridge, and associated systems, methods and kits

Catch parts of a tool include first and second shanks, and first and second outer protrusions respectively extending outwardly from the shanks. For streamlining disengaging of the tool from a medical article, the tool includes at least one inner protrusion extending inwardly from a respective shank. The inner protrusion can engage at least one portion of the medical article to streamline removal of the tool from the medical article. An aspect of this disclosure is the provision of a tool configured to releasably engage and interact with a medical article. As an example, the tool can be an applicator tool, the medical article can be a force modulating tissue bridge, and the tool can be configured in a manner that seeks to streamline removing the applicator tool from the force modulating tissue bridge that has been applied to tissue using the applicator tool.

Combinação de artigo médico para cobrir ferida e/ou cicatriz

Trata-se de pontes de tecido com modulação de força e aplicadores, kits e métodos associados. Uma ponte de tecido com modulação de força pode ser um artigo médico para cobrir, pelo menos parcialmente, uma ferida e/ou cicatriz. O artigo médico pode incluir um arco elástico que se estende sobre uma área, e uma escora média conectada ao arco e que se estende para dentro da área sobre a qual a seção central se estende.

Force modulating tissue bridges, associated tools, kits, and methods

Force modulating tissue bridges, and associated applicators, kits and methods are provided. A force modulating tissue bridge can be a medical article for at least partially covering a wound and/or scar tissue. The medical article can include an elastic arch extending over an area, and a medial strut connected to the arch and extending into the area over which the central section extends.

Force modulating tissue bridges

Force modulating tissue bridges, and associated applicators, kits and methods are provided. A force modulating tissue bridge can be a medical article for at least partially covering a wound and/or scar tissue. The medical article can include an elastic arch extending over an area, and a medial strut connected to the arch and extending into the area over which the central section extends.

Apparat für endoskopische minimalinvasive orthopädische plattenverfahren

Applicator tool capable of use with force modulating tissue bridge, and associated systems, methods and kits

Catch parts of a tool include first and second shanks, and first and second outer protrusions respectively extending outwardly from the shanks. For streamlining disengaging of the tool from a medical article, the tool includes at least one inner protrusion extending inwardly from a respective shank. The inner protrusion can engage at least one portion of the medical article to streamline removal of the tool from the medical article. An aspect of this disclosure is the provision of a tool configured to releasably engage and interact with a medical article. As an example, the tool can be an applicator tool, the medical article can be a force modulating tissue bridge, and the tool can be configured in a manner that seeks to streamline removing the applicator tool from the force modulating tissue bridge that has been applied to tissue using the applicator tool.

Medical tool for use in applying medical article

cartucho de prendedores implantável e seletivamente orientável

Portable, reusable visualization system

A portable endoscopic vessel harvesting system (10) for use with a video display (55) for retracting, viewing, and accessing tissue. An embodiment of the vessel harvesting system (10) can include a first housing (36), an endoscope (70) detachably mounted to the first housing (36), and a second housing (41) detachably mounted to the endoscope (70), where the first housing (36) is configured to be disposable and the second housing (41) is configured to be reusable.