46 results about "STAPLE DRIVER" patented technology

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.

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.

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.

A staple cartridge for use with a surgical instrument, the staple cartridge comprising a cartridge body, a staple, a staple driver, and a sled is disclosed. The sled is movable from a proximal position to a distal position during a firing stroke and is movable from the distal position toward the proximal position during a retraction stroke. The sled comprises a first rail comprising a first distal-facing ramp, a second rail comprising a second distal-facing ramp, and a driver lift cam positioned intermediate the first rail and the second rail. The first distal-facing ramp and the second distal-facing ramp are configured to engage and move the staple driver from an unfired position to a fired position during the firing stroke. The driver lift cam is configured to engage the staple driver and move the staple driver toward the fired position during the retraction stroke.

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 powered circular stapler includes an anvil, a reload, and a processor for controlling operation of clamping, stapling, and cutting operation. The processor is used for determining a final clamp position during approximation of the anvil relative to the reload; calculating a target staple force as a function of the final clamp position; comparing the measured staple force to the target staple force during advancement of the staple driver to form the plurality of staples against the anvil; and determining whether formation of the plurality of staples against the anvil is complete based on a comparison of the measured staple force to the target staple force.

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 stapling assembly is disclosed that includes a cartridge body, a staple driver, a staple, and a slider assembly. The cartridge body includes a deck, a longitudinal slot, and a staple cavity defined in the deck. The slider assembly is configurable in a first configuration and a second configuration. The slider assembly is distally movable in the first configuration during a staple firing stroke. The slider assembly is proximally movable in the second configuration during a retraction stroke. The slider assembly includes a first member and a second member. The first component includes a base and at least one guide rail extending from the base. The guide rail includes a distally facing ramp configured to engage the staple driver to eject the staple from the staple cavity during the staple firing stroke. The guide rail is made of metal. The second member is movable within the longitudinal slot. The first member is movable relative to the second member.

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.

A staple cartridge assembly for use with a surgical stapling instrument is disclosed. The staple cartridge assembly comprises a plurality of staples, a plurality of staple drivers, and a cartridge body comprising a retention feature. The staple cartridge assembly further comprises a sled movable longitudinally through the cartridge body from a proximal unfired position to a distal fired position during a firing stroke, wherein the sled comprises a ramp configured to lift the staple drivers toward a deck to eject the staples from staple cavities during the firing stroke, wherein the sled comprises a longitudinally-extending slot, wherein the retention feature supports at least one of the staple drivers in an unlifted position, and wherein the longitudinally-extending slot of the sled is configured to receive the retention feature during the firing stroke.

A staple cartridge assembly for use with a surgical stapling instrument is disclosed. The staple cartridge assembly comprises a plurality of staples, a plurality of staple drivers, and a cartridge body comprising a retention feature. The staple cartridge assembly further comprises a sled movable longitudinally through the cartridge body from a proximal unfired position to a distal fired position during a firing stroke, wherein the sled comprises a ramp configured to lift the staple drivers toward a deck to eject the staples from staple cavities during the firing stroke, wherein the sled comprises a longitudinally-extending slot, wherein the retention feature supports at least one of the staple drivers in an unlifted position, and wherein the longitudinally-extending slot of the sled is configured to receive the retention feature during the 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 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 electric stapler may include a magazine configured to receive the staplers of a first length and the staplers of a second length.An electric staple driver may comprise a nosepiece assembly defining a driving channel extending along the driving axis, the nosepiece assembly including a nosepiece member defining an opening through which the first length staples and the second length staples pass from the magazine into the driving channel, and a nail guide assembly including a nail guide member defining a nail guide surface, the nail guide member being pivotable relative to the nosepiece member about a pivot axis between a first position in which the nail guide surface partially closes the opening and a second position in which the nail guide surface is not aligned with the opening, and a biasing member biasing the nail guide member toward the first position.

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 stapling assembly comprising a cartridge body, staple drivers, staples, and a sled assembly is disclosed. The cartridge body comprises a deck, a longitudinal slot, and staple cavities defined in the deck. The sled assembly is configurable in a first configuration and a second configuration. The sled assembly is movable distally in the first configuration during a staple firing stroke. The sled assembly is movable proximally in the second configuration during a retraction stroke. The sled assembly comprises a first component and a second component. The first component comprises a base and at least one rail extending from the base. The rail comprises a distal-facing ramp configured to engage the staple drivers to eject the staples from the staple cavities during the staple firing stroke. The rail is comprised of metal. The second component is movable within the longitudinal slot. The first component is movable relative to the second component.

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.

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 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.