26 results about "STAPLE DRIVER" patented technology

A stapling assembly for a surgical instrument includes a body extending along a longitudinal axis and having an upper deck, a plurality of pockets extending through the upper deck for receiving respective staples and arranged in at least two longitudinal rows, a plurality of staple drivers, and a staple driver actuator. The stapling assembly also includes a plurality of pocket extenders extending upwardly from the upper deck. Each pocket extender has a respective top surface. The stapling assembly further includes at least one upwardly-facing surface configured to contact an adhesive of an adjunct for securing the adjunct to the stapling assembly. The at least one upwardly-facing surface is disposed at least partially between at least a portion of the upper deck and the top surfaces of the plurality of pocket extenders, and spans laterally at least partially across at least two longitudinal rows of the plurality of pockets.

A method of adjusting a staple parameter of a surgical stapling instrument is disclosed. The method includes determining, by a control circuit of the surgical stapling instrument, a first stroke length for a first staple driver of the surgical stapling instrument to drive a first row of staples of a circular stapling head assembly of the surgical stapling instrument; detecting, by the control circuit, a malformed staple in the first row of staples; adjusting, by the control circuit, the staple parameter, based on the detection of the malformed staple; and determining, by the control circuit, a second stroke length for a second staple driver of the surgical stapling instrument to drive a second row of staples of the circular stapling head assembly.

Provided is a stapler that prevents a staple cartridge from inadvertently popping out of a main body and causing staples to scatter around. An electric stapler (10) includes: a main body (12); a staple cartridge (40) configured to have a left side wall, a right side wall, and a top end wall (40c) and to be movable between a first position in which the staple cartridge is inserted into the main body (12) and a second position in which the staple cartridge protrudes from the main body (12), and in which, when in the second position, a staple placed in the staple cartridge can be taken out from an opening formed above the left side wall, the right side wall, and the top end wall; a driver (60) that drives the staple into a paper stack; a bender (30) that bends a leg of the staple that has penetrated the paper stack by the driving action of the driver (60); and a cover (20) that is installed on the main body (12) in such a manner that the cover is displaceable between a third position in which the cover is located on a movement path of the staple cartridge (40) and a fourth position in which the cover is entirely separated from the movement path, and the cover (20) is configured to cover the left side wall, the right side wall, the top end wall (40c), and the opening of the staple cartridge (40) that protrudes from the main body (12) when the cover (20) is in the third position and the staple cartridge (40) is in the second position.

A stapling assembly for a surgical instrument, the stapling assembly comprising: a body extending along a longitudinal axis and having an upper deck; a plurality of dimples extending through the upper deck for receiving respective staples and arranged in at least two longitudinal rows; a plurality of staple drivers; and a staple driver actuator. The stitching assembly also includes a plurality of dimple extensions extending upwardly from the upper deck. Each dimple extension has a respective top surface. The suture assembly also includes at least one upwardly facing surface configured to contact an adhesive of an appendage for securing the appendage to the suture assembly. The at least one upwardly facing surface is disposed at least partially between at least a portion of the upper platform and the top surface of the plurality of dimple extensions, and at least partially laterally spans at least two longitudinal rows of the plurality of dimples.

An apparatus includes a first stapling assembly, a plurality of staples a plurality of staple drivers, and a second stapling assembly portion. The first stapling assembly portion has a deck surface defining a plurality of apertures. The staple drivers can drive the plurality of staples through the staple apertures of the deck surface. The second stapling assembly can couple with the first stapling assembly portion. The second stapling assembly portion has a section that overlies the deck surface. At least one of the first or second stapling assembly portions include a first support feature that inhibits deflection of the deck surface during stapling.

A surgical stapling instrument includes an anvil defining a plurality of staple forming pockets and a stapling head assembly. The stapling head assembly includes a body, a coupling member capable of actuating the anvil relative to the body, a staple deck defining a plurality of staple openings, and a firing assembly capable of driving a plurality of staples against the staple forming pockets of the anvil. The firing assembly includes a proximal driving body and an array of discrete staple driving segments positioned distal to the proximal driving body. The proximal driving body is slidably housed within the body. The staple driving segments each have a free proximal end. The proximal driving body is capable of simultaneously actuating the array of staple driving segments to drive the plurality of staples against the staple forming pockets of the anvil.

A staple housing includes an array of staples each in a staple delivery position or “ready position” ready to be fired into target tissue. A staple driver is advanceable to drive the ready-position staples from the staple head into the tissue using staple pushers. During use, the staples in the ready positions are simultaneously fired into the target tissue using the staple pushers, forming an array of staples in the target tissue. After the array has been fired, one or more feed mechanisms within the staple housing advance a second group of staples from one or more staple storage locations into the ready positions in preparation for firing of the second group of staples.

A surgical stapling assembly comprising a cartridge body, a plurality of staples, a plurality of staple drivers, a sled, and a support plane is disclosed. The cartridge body comprises a deck, a plurality of staple cavities defined in the deck, a longitudinal slot defined in the deck, and an outer cartridge wall. The support plane extends perpendicular to a longitudinal axis, wherein the sled is positioned under an inner cartridge wall in the support plane, wherein the inner cartridge wall comprises a first lateral pillar width and a first pillar height in the support plane, wherein the outer cartridge wall comprises a second lateral pillar width and a second pillar height in the support plane, and wherein the first lateral pillar width is wider than the second lateral pillar width.

An apparatus includes a shaft assembly and an end effector. The shaft assembly includes an outer sheath and a staple driving mechanism. The end effector includes a staple deck, an anvil, a first staple driver, and a second staple driver. The staple deck defines a plurality of staple openings in at least one annular array. Each staple opening in the plurality of staple openings houses a staple. The anvil is configured to actuate relative to the staple deck to compress tissue between the staple deck and the anvil. The staple driving mechanism is configured to actuate the first staple driver to fire a first staple of the plurality of staples against the anvil. The staple driving mechanism is further configured to actuate the second staple driver independently of the first staple driver to fire a second staple of the plurality of staples against the anvil.

A staple cartridge configured for use with a surgical stapler includes a cartridge body, a deck defined configured to compress tissue against an anvil of the surgical stapler, and a plurality of staple openings formed in the deck. A plurality of staples is disposed within the staple openings, with each staple having a pair of legs. A plurality of staple drivers is also disposed within the staple openings, with the staple drivers being actuatable to drive the staples through tissue and against the anvil to form the legs. Each of the staple drivers includes a driver body, a first pocket disposed on a first lateral side of the driver body, and a second pocket disposed on a second lateral side of the driver body. The first and second pockets are configured to receive the legs of the respective staple when the legs are formed against the anvil.

A staple cartridge for use with a surgical instrument is disclosed. The staple cartridge comprises a cartridge body comprising a tissue support surface, staple cavities defined within the cartridge body, staples removably positioned in the staple cavities, and a staple driver movably positioned within the staple cavities, wherein the staple driver is configured to support the staples. The staple cartridge further comprises a wedge sled translatable between a proximal end and a distal end of the staple cartridge, wherein the wedge sled is configured to move the staple driver from an unfired position to a fired position during a staple firing stroke, and a driver retention member configured to retain the staple driver in a retention position that allows the wedge sled to be retracted after the staple firing stroke.

A staple cartridge assembly for use with a surgical stapling instrument is disclosed. The staple cartridge assembly comprises an elongated channel comprising a retaining feature and a staple cartridge insertable into the elongated channel. The staple cartridge includes a deck defining a tissue contacting surface, a housing, a cartridge pan releasably attachable to the elongated channel, staple drivers stored in the housing between the deck and the cartridge pan, staples stored in the housing, a central longitudinal slot along a central longitudinal plane, and a sled translatable relative to the cartridge pan from a first position toward a second position to motivate the staple drivers to deploy the staples. The retaining feature is configured to resist a movement of the sled beyond the first position up to a predetermined force. The retaining feature extends across the central longitudinal slot.

A surgical device having at least one rotary input screw in the end effector is provided. A rotary input screw can extend through a central longitudinal portion of the end effector. The end effector can include an improved closure system, firing systems, leveraging and alignment features between the staple cartridge and the surgical device, staple cartridges having multi-staple drivers, single-firing knife and lockout / safety features for the same, and / or modified staple patterns, for example. Certain components can be 3D-printed components.

A stapler includes a body, first and second shafts connected to the body, a staple driver having a hooked hole, an elastic unit elastically driving the staple driver, an operation lever inserted by the first shaft, a third shaft making the operation lever pivotably connected with a pivotably connecting member, a hook member having a second hole wherein the second shaft is inserted, an elongated hole wherein the third shaft is inserted, and a hook portion releasably hooked at the hooked hole, and a fourth shaft making the pivotably connecting member pivotably connected with the hook member in a way that the fourth shaft is slidably abutted against a shaft displacement limiting portion when the hook member is swung. A first distance is defined between the first and third shafts, and a second distance smaller than the first distance is defined between the third and fourth shafts.

The utility model provides a nail bin assembly, an executing mechanism and a surgical anastomat, the nail bin assembly comprises an anastomosis nail, the anastomosis nail comprises a nail leg and a nail beam which are connected with each other, the nail beam is provided with a first wave crest structure, and the first wave crest structure protrudes towards one side of the nail leg; the nail driver comprises a nail supporting part and a nail beam configured to support the anastomosis nail, a second wave crest structure is arranged at the position corresponding to the first wave crest structure, and after the nail driver drives the anastomosis nail to be ejected, the anastomosis nail is bent on the forming structure and then is formed in a closed mode. The first wave crest structure and the second wave crest structure are used for reducing the distance between the highest point of the nail leg formed in a closed mode and the highest point of the nail beam. By designing the structure of the anastomosis nail and the structure of the nail driver, the nail beam is provided with the first wave crest structure protruding towards the nail leg, the nail driver is provided with the second wave crest structure supporting the first wave crest structure, the closed space limited by the nail leg and the nail beam after the anastomosis nail is closed and formed is reduced, and a better tissue anastomosis effect is provided.

A staple cartridge for use with a surgical stapler and surgical stapling systems are disclosed. The staple cartridge comprises a cartridge body having a tissue-contacting surface. One or more light emitting diodes (LEDs) are positioned at the edges of the tissue-contacting surface. A plurality of staple drivers is located within the cartridge body each supporting a staple.

An interchangeable staple cartridge for use with a surgical instrument is disclosed. The interchangeable staple cartridge comprises a cartridge body, staple cavities defined in the cartridge body, staples removably positioned in the staple cavities, and staple drivers configured to support the staples in the staple cavities. The staple drivers are movable between an unfired position and a fired position. The staple cartridge further comprises a wedge sled and a driver retention member, wherein the wedge sled is configured to urge the staple drivers from the unfired position to the fired position; the driver retention member extends into the staple cavities. The driver retention member is configured to retain the staple drivers in the unfired position.

A surgical stapling assembly comprising a first jaw, a second jaw, and a staple cartridge assembly positioned in the first jaw is disclosed. The staple cartridge assembly comprises a plurality of staples, a plurality of staple drivers, and a cartridge body. The cartridge body comprises a deck surface configured to support patient tissue, a longitudinal slot defined in the cartridge body, a plurality of staple cavities, and a longitudinal wall extending vertically below the deck surface. The longitudinal wall comprises a first zone comprising a first wall height and a second zone comprising a second wall height. The staple cartridge assembly further comprises a sled movable longitudinally through the cartridge body, wherein the sled is sized and configured resist deflection of the cartridge body during the firing stroke within the second zone.

An apparatus comprises a body, a shaft assembly, an end effector, a cartridge, and a staple driver actuator. The end effector is operable to manipulate tissue. The end effector comprises a lower jaw, a pivotable anvil, and a translating cutter. The translating cutter is operable to translate relative to the lower jaw and the anvil when the anvil is pivoted toward the lower jaw to manipulate tissue. The cartridge is insertable into the lower jaw and includes a plurality of staples. The staple driver actuator is disposed within the cartridge. The staple driver actuator comprises a secondary cutting element. The translating cutter of the end effector is operable to drive the staple driver actuator distally to staple and cut tissue substantially simultaneously.

An apparatus includes a staple, a body, a staple driver, and an alignment feature. The alignment feature is coupled to or formed with at least one of the staple driver or an inner surface of the staple aperture of the body. The alignment feature is configured to minimize rotation of the staple driver. The alignment feature includes at least one of a first contact feature, an alignment member, an alignment member, or an inwardly tapering portion. The first contact feature projects beyond a first lateral side of the staple driver. The alignment member extends through at least a portion of the staple driver. The first connecting portion rigidly connects the inner surface of the staple aperture with the staple driver in a connected state. The inwardly tapering portion of the inner surface or the staple driver is configured to guide the staple driver.

A surgical device having at least one rotary input screw in the end effector is provided. A rotary input screw can extend through a central longitudinal portion of the end effector. The end effector can include an improved closure system, firing systems, leveraging and alignment features between the staple cartridge and the surgical device, staple cartridges having multi-staple drivers, single-firing knifes and lockout / safety features for the same, and / or modified staple patterns, for example. Certain components can be 3D-printed components.

A surgical instrument includes a body assembly, a shaft assembly extending distally from the body assembly, an anvil, and a stapling head assembly. The stapling head assembly includes at least one annular array of staples, a staple driver, and a trocar. The trocar includes a shaft defining a longitudinal axis, an actuation feature coupled with a motor unit, and at least one coupling feature. The motor unit is configured to actuate the actuation feature to move the at least one coupling feature of the trocar in a transverse direction relative to the longitudinal axis of the shaft between a retracted position and a deployed position. In the retracted position, the shaft of the trocar is configured to move relative to the anvil along the longitudinal axis. In the deployed position, the shaft of the trocar is configured to move with the anvil along the longitudinal axis.

A surgical stapling assembly comprising a staple driver assembly is disclosed. The staple driver assembly comprises a first staple support driver supporting a first staple, a second staple support driver supporting a second staple, a first driver portion supporting the first staple support driver, and a second driver portion supporting the second staple support driver. The first staple support driver is movable within a first staple cavity. The second staple support driver is movable within a second staple cavity. The staple driver assembly further comprises a main driver to concurrently drive the first driver portion and the second driver portion during a firing stroke, wherein the first driver portion is configured to drive the first staple a first distance, wherein the second driver portion is configured to drive the second staple a second distance, and wherein the first distance is different from the second distance.

An apparatus includes a body, a shaft, a stapling head assembly, and an anvil. The body includes a motor, a first user input feature, and a second user input feature. The first user input feature is operable to activate the motor. The shaft extends distally from the body. The stapling head assembly is positioned at a distal end of the shaft. The stapling head assembly includes an anvil coupling feature, at least one annular array of staples, and a staple driver. The second user input feature is operable to drive the anvil coupling feature longitudinally. The staple driver is operable to drive the at least one annular array of staples. The motor is operable to drive the staple driver. The anvil is configured to couple with the anvil coupling feature. The anvil is further configured to deform the staples driven by the staple driver.

A stapler includes a body, first and second shafts connected to the body, a staple driver having a hooked hole, an elastic unit elastically driving the staple driver, an operation lever inserted by the first shaft, a third shaft making the operation lever pivotably connected with a pivotably connecting member, a hook member having a second hole wherein the second shaft is inserted, an elongated hole wherein the third shaft is inserted, and a hook portion releasably hooked at the hooked hole, and a fourth shaft making the pivotably connecting member pivotably connected with the hook member in a way that the fourth shaft is slidably abutted against a shaft displacement limiting portion when the hook member is swung. A first distance is defined between the first and third shafts, and a second distance smaller than the first distance is defined between the third and fourth shafts.

A surgical instrument comprising a staple cartridge including a cartridge body, staples removably stored in the cartridge body, and staple drivers movable within the cartridge body to eject, or deploy, the staples from the cartridge body is disclosed herein. The staple drivers and the cartridge body comprise control surfaces that promote the efficient deployment of the staples from the cartridge body.