Abstract: A surgical instrument comprising a handle and a shaft attachment assembly attachable to and detachable from the handle is disclosed. The handle comprises a first handle drive system and a second handle drive system. The shaft attachment assembly comprises an end effector, a shaft extending from the end effector, a first shaft assembly drive system, a second shaft assembly drive system, and a coupling portion configured to be attached to the handle. The coupling portion comprises a coupling mechanism configured to operably couple the first handle drive system to the first shaft assembly drive system so that the first handle drive system can be operated to actuate a first surgical function of the end effector and operably couple the second handle drive system to the second shaft assembly drive system so that the second handle drive system can be operated to actuate a second surgical function of the end effector.

Abstract: A surgical instrument having an elongated shaft having a shaft distal end and a shaft proximal end. An end effector is coupled to the shaft distal end and includes opposed jaws. A housing is included in one of the jaws, the housing having a housing proximal end, a housing distal end, an upper surface, a distal garage having lateral surfaces that extend above the upper surface, and a plurality of staple openings extending through the upper surface. A knife member is supported within the housing for movement distally. The knife member is moveable into a predetermined parked position such that a first portion of the cutting blade displaces below the upper surface and a second portion remains displaced above the upper surface. There is enough lateral clearance in the predetermined parked position between the lateral faces and the second portion to accommodate a dislodged staple.

Abstract: The present disclosure includes apparatuses for a surgical reloadable cartridge assembly. An example apparatus includes a lock slider and a blade lock configured to actuate radially between a first position that locks a blade in a secure position and a second position that allows the blade to move longitudinally.

Abstract: A cartridge of a surgical instrument includes a housing, a lead screw mounted for rotation in the housing, a drive member operatively coupled with the lead screw, and a knife member. The knife member is driven distally by the drive member and is configured to cut when moved distally. During an initial distal movement of the drive member, the knife member is coupled with the housing to restrain the knife member from moving distally. Subsequent to the initial distal movement of the drive member, the drive member drives the knife member toward the distal end.

Abstract: A handle assembly for a surgical stapler can comprise a rotatable actuation shaft. The actuation shaft can have a first rotational orientation in which it can actuate a jaw assembly in a repeatable open and close mode, a second rotational orientation in which it can actuate a jaw assembly in a staple firing mode, and a third rotational orientation in which it can actuate a jaw assembly in a reversing mode. The handle assembly can include a rotational mechanism arranged to discretely position the rotatable actuation shaft in one of the rotational orientations. The rotational mechanism can be arranged for single handed operation such as by including a slidable switch or selector to rotate the actuation shaft.

Abstract: An apparatus includes a housing a platform, and a first buttress assembly. The housing defines a gap configured to receive a portion of an end effector of a surgical stapler. The housing includes proximal and distal portions. A portion of the platform is exposed within the gap defined by the housing. The platform includes proximal and distal portions. The first buttress assembly is positioned on at least the proximal portion of the platform. The first buttress assembly is exposed in the gap defined by the housing. At least one of the distal portion of the platform or the distal portion of the housing includes a cavity configured to receive a curved distal tip of the end effector.

Abstract: A surgical system comprising a surgical instrument, a motorized system, and a control system is disclosed. The surgical instrument comprises an end effector comprising a first jaw and a second jaw movable relative to the first jaw. The surgical instrument further comprises a threaded drive shaft, a firing member drivable by the threaded drive shaft, and a closure system configured to move the second jaw. The motorized system is configured to drive the threaded drive shaft and the closure system. The control system comprises a closure circuit configured to actuate the motorized system to move the second jaw toward a closed position, a firing circuit configured to actuate the motorized system to move the firing member toward a fired position, and an input interface configured to receive inputs from a user. The firing circuit is prevented from being actuated until the second jaw has been placed in the closed position.

Abstract: A surgical instrument for use with a robotic system is disclosed. The surgical instrument comprises a mounting portion, an elongate shaft, an articulation joint, an end effector, and a firing member. The end effector comprises an anvil and an elongate channel configured to receive a cartridge including staples. The anvil comprises a proximal end connected to the elongate channel, an outer surface, an under surface facing the elongate channel, a plurality of forming pockets defined in the undersurface, and a distal end extending below the under surface. The firing member is translatable from a starting position to an ending position to eject the staples from the cartridge during a firing stroke in response to an output motion from the robotic system. The firing member is viewable by a clinician through an opening at a proximal end of the end effector when the firing member is in the starting position.

Abstract: A detachable motor-powered surgical instrument. The instrument may include a housing that includes at least one engagement member for removably attaching the housing to an actuator arrangement. A motor is supported within the housing for supplying actuation motions to various portions of a surgical end effector coupled to the housing. The housing may include a contact arrangement that is configured to permit power to be supplied to the motor only when the housing is operably attached to the actuator arrangement.

Abstract: A detachable motor-powered surgical instrument. The instrument may include a housing that includes at least one engagement member for removably attaching the housing to an actuator arrangement. A motor is supported within the housing for supplying actuation motions to various portions of a surgical end effector coupled to the housing. The housing may include a contact arrangement that is configured to permit power to be supplied to the motor only when the housing is operably attached to the actuator arrangement.

Abstract: A surgical stapler includes an anvil half having an anvil channel member and a cartridge half having a cartridge channel member. A latching lever is coupled to the cartridge channel member and is pivotable between a closed position in which the lever fixes the anvil channel member relative to the cartridge channel member, and an open position in which the lever permits relative movement between the channel members. A locking member coupled to a proximal portion of the cartridge half is movable between a locked position when the lever is in the closed position and an unlocked position when the lever is in the open position. In the locked position the locking member captures the projection and locks the anvil half proximal portion to the cartridge half proximal portion. In the unlocked position the locking member releases the projection and permits separation of the proximal portions.

Abstract: A surgical stapler includes a first elongate member, a second elongate member, and a clamp member operable to releasably clamp the first elongate member against the second elongate member. A distal portion of the first elongate member supports an anvil surface having a plurality of staple forming pockets. A distal portion of the second elongate member is configured to receive a staple cartridge. A firing assembly of the surgical stapler is translatable from a first longitudinal position to a second longitudinal position to fire the staple cartridge when the first elongate member is clamped against the second elongate member. A retaining assembly of the surgical stapler includes a first retaining member configured to releasably couple a proximal end of the first elongate member with a proximal end of the second elongate member, and a second retaining member configured to releasably retain the firing assembly in the first longitudinal position.

Abstract: A fastener cartridge comprising a cartridge body and unfired fasteners is disclosed. The cartridge body comprises fastener cavities and a deck comprising a variable height tissue compression surface. A longitudinal slot is defined through at least a portion of the variable height tissue compression surface. The fastener cavities comprise a first fastener cavity and a second fastener cavity. The first and second fastener cavities are defined in the variable height tissue compression surface on a first side of the longitudinal slot. The first fastener cavity is laterally offset from the second fastener cavity. The unfired fasteners comprise a first unfired fastener removable positioned in the first fastener cavity and a second unfired fastener removable positioned in the second fastener cavity. The first unfired fastener comprises a first height. The second unfired fastener comprises a second height that is different from the first height.

Abstract: An end effector for use with a surgical instrument is disclosed. The end effector comprises a shaft defining a longitudinal axis, a first jaw, a second jaw movable relative to the first jaw, a closure member configured to move the second jaw relative to the first jaw, a slot, a first pin, and a second pin. The first jaw comprises a tissue-contacting surface. The first pin is engaged between the first jaw and the second jaw. The closure member is configured to move the first pin to apply a closing force to the second jaw. The second pin extends into the slot. The second jaw is rotatable relative to the first jaw about the second pin. The first pin and the second pin comprise a clamped configuration where the first pin and the second pin are aligned along the longitudinal axis.

Abstract: A detachable motor-powered surgical instrument. The instrument may include a housing that includes at least one engagement member for removably attaching the housing to an actuator arrangement. A motor is supported within the housing for supplying actuation motions to various portions of a surgical end effector coupled to the housing. The housing may include a contact arrangement that is configured to permit power to be supplied to the motor only when the housing is operably attached to the actuator arrangement.

Abstract: A stapling assembly comprising a proximal end, a distal end, a first jaw, a second jaw, a staple cartridge, a first motor-driven system, and a second motor-driven system is disclosed. The first jaw comprises a first bottom surface. The second iaw is rotatably coupled to the first iaw about a pivot and is movable between an unclamped position and a fully-clamped position. The second jaw comprises a second bottom surface. The staple cartridge comprises a plurality of staples removably stored therein. The first motor-driven system is configured to engage the second bottom surface of the second iaw to move the second iaw toward the fully-clamped position. The second motor-driven system is configured to engage the second jaw and the first bottom surface of the first jaw and hold the second jaw in the fully-clamped position. The second motor-driven system is actuatable after the first motor-driven system has been actuated.

Abstract: A staple cartridge is disclosed. The staple cartridge can include a cartridge body having a plurality of staple cavities defined therein. The staple cavities can be obliquely oriented relative to a longitudinal axis of the staple cartridge. The staple cavities can be arranged in a plurality of rows including an inner row, an intermediate row, and an outer row. The lateral and/or longitudinal spacing and/or overlap between the staples in adjacent rows can vary to optimize the flexibility and/or sealing properties of the staple line. The size and orientation of the staples can also vary row-to-row and/or longitudinally.

Abstract: A surgical end effector comprising a first jaw and a second jaw is disclosed. The first jaw comprises a staple cartridge including a plurality of staples. The second jaw comprises an anvil comprising an anvil surface and a plurality of staple-forming pockets defined in the anvil surface. The second jaw is movable relative to the first jaw. The second jaw comprises an unclamped position, a first clamped position, and a second clamped position. The first clamped position is different than the second clamped position. The anvil surface is in contact with the staple cartridge when the second jaw is in the first clamped position. The staples are configured to be formed against the staple-forming pockets when the second jaw is in the second clamped position. The anvil surface and the staple cartridge are not in contact with each other when the second jaw is in the second clamped position.

Abstract: A staple cartridge assembly comprises a staple cartridge, an anvil and a cutter, wherein the cutter comprises a first end and a second end; the staple cartridge assembly also comprises a rotation shaft and an auxiliary closing member which is connected with the rotation shaft; the staple cartridge assembly is also provided with a driving component capable of driving the rotation shaft to rotate; the driving component drives the rotation shaft to drive the auxiliary closing member to move in the process in which the staple cartridge assembly is converted from an original status to a closed status; when at least the staple cartridge assembly is in the closed status, one end surface of the auxiliary closing member abuts against the anvil to apply a force to the anvil for driving the anvil to be closed towards the staple cartridge.

Abstract: A surgical fastener applying apparatus for applying fasteners to body tissue. The apparatus includes a cartridge receiving half-section defining an elongated channel member, an anvil half-section, and a clamping lever. The cartridge receiving half-section releasably receives a cartridge and a firing assembly. The clamping lever includes a protrusion in a sidewall which is receivable in a bifurcated depression formed in a sidewall of the cartridge receiving half-section to releasably retain the clamping lever in a non-clamped position and in a clamped position. The apparatus includes a disposable firing assembly and SULU.

Abstract: A detachable motor-powered surgical instrument. The instrument may include a housing that includes at least one engagement member for removably attaching the housing to an actuator arrangement. A motor is supported within the housing for supplying actuation motions to various portions of a surgical end effector coupled to the housing. The housing may include a contact arrangement that is configured to permit power to be supplied to the motor only when the housing is operably attached to the actuator arrangement.

Abstract: A surgical instrument configured to be coupled to a robotic surgical system is disclosed. The surgical instrument comprises an end effector, a threaded drive shaft, a firing member drivable by the threaded drive shaft, a closure system configured to move a iaw of the end effector toward a closed position, and a housing assembly coupleable with the robotic surgical system and comprising an array of electrical contacts. The surgical instrument further comprises a first motor configured to drive the closure system, a second motor configured to drive the threaded drive shaft, a first decoupleable electrical contact configured to supply power to the first motor from a power system, and a second decoupleable electrical contact configured to supply power to the second motor from the power system. The power system is selectively interrupted unless a signal is provided to the power system from the robotic surgical system.

Abstract: A bone staple insertion tool for inserting a bone staple into a patient includes a body having a proximal portion, a distal surface and a fulcrum. The body defines a longitudinal axis and the fulcrum is positioned on the distal surface. The distal surface has a first end and a second end. A bone staple mount is fixed to the body and extends from the body proximate the first end. A force applicator is movably attached to the body. The force applicator has a gripping portion and a staple pin portion. The staple pin portion is positioned proximate the second end. The force applicator is configured to receive the bone staple. Upon actuation of the gripping portion, the staple pin portion bends the inter-axis of the bone staple across the fulcrum to an expanded state, wherein the first and second legs are positioned substantially parallel to the longitudinal axis.

Abstract: A surgical device includes an actuator assembly including a handle, an adapter assembly extending distally from the adapter assembly, and a tool assembly supported on a distal portion of the adapter assembly. The adapter assembly includes a rotation assembly that rotatably supports the adapter assembly in relation to the actuator assembly and a wire harness that allows the actuator assembly to communicate with the tool assembly. The rotation assembly includes a stop assembly for limiting a degree of rotation of the adapter assembly in relation to the actuator assembly to prevent separation of the wire harness from communication with the actuator assembly and/or the tool assembly. The stop assembly includes a stop plate and a stop pin that are spaced from the wire harness to minimize the likelihood of damage to the wire harness during rotation of the adapter assembly in relation to the actuator assembly.

Abstract: Various embodiments of a frame for attaching an adjunct to an end effector of a surgical device are provided. In one embodiment, the end effector can include upper and lower jaws, and the frame can include features for releasably engaging one or the jaws. The frame can also include retaining features for coupling an adjunct to a tissue-facing surface of the frame, thereby releasably coupling the adjunct material to the jaw of the end effector. In some implementations, the frame can include a plurality of retaining features that are configured to engage the adjunct material to create a tension in the adjunct material, which can further assist with securing the frame to the jaw. In other embodiments, a removable applicator member is provided for retaining at least one adjunct material and for aligning and coupling the adjunct material to a frame.

Abstract: A medical stapler system according to the present invention is equipped with a medical stapler and a staple that closes tissue. The medical stapler is equipped with: a first grasper and a second grasper that have a longitudinal axis and that grasp the tissue therebetween when in a closed state; a holder that retains the staple; a housing body that houses the holder while a needle of the staple projects from a first contact surface of the first grasper; and a drive mechanism that slides the holder along the longitudinal axis. The second grasper has a second contact surface that grasps the tissue between the first contact surface and the second contact surface, a recessed portion that houses the needle without causing penetration or deformation when a closed state, and an anvil against which the needle is pushed and deformed when the closed state.

Abstract: A stapling instrument for use with a surgical robot is disclosed. The stapling instrument comprises an interface including a plurality of rotary members, a shaft rotatable about a longitudinal axis by a first rotary member, an end effector rotatably connected to the shaft about an articulation joint, an articulation cable, a coupling member, and a firing cable. The end effector comprises a first jaw, a second jaw, and a staple cartridge comprising staples. The articulation cable operably connects to a second rotary member and is operable to pull the articulation cable and articulate the end effector. The coupling member is movable through a first stroke to move the second jaw toward the first jaw and movable through a second stroke to fire the staples. The firing cable operably connects to a third rotary member and is operable to drive the coupling member through the first stroke and the second stroke.

Abstract: An adjunct material for use with an end effector in a surgical instrument is provided that has at least one projection configured to mate with a corresponding recess formed in at least one jaw, such as a cartridge or anvil, of the end effector. The at least one projection can be one or more discrete projections or longitudinal projection(s) extending between distal and proximal ends of the adjunct material. An applicator member can be used to apply force to the adjunct material to thus cause the adjunct material to mate with the jaw of the end effector. The applicator member can be configured told the adjunct material and can be clamped between the jaws of the end effector to release the adjunct material onto the jaw. Also, an applicator member can be used to push portions of an adjunct material into corresponding recesses in a jaw.

Abstract: A surgical instrument for surgically joining tissue is disclosed. The instrument comprises a handle assembly, an elongated portion, an end effector, and an articulation mechanism. The elongated portion extends distally from the handle assembly. The end effector is disposed adjacent a distal portion of the elongated portion. The articulation mechanism is disposed in mechanical cooperation with the end effector for articulating the end effector. The articulation mechanism comprises a lever, a knob, a plate and a lower clutch. The plate is disposed at least partially within a portion of the knob. The lower clutch is disposed in mechanical engagement with the plate. The plate is disposed at least partially between the lower clutch and the knob. The lower clutch is keyed to the plate to limit rotation therebetween. The lower clutch is keyed to the knob to limit rotation therebetween.

Abstract: A surgical stapling anvil is disclosed comprising an anvil body comprising a longitudinal slot configured to receive a firing member therethrough and a tissue-facing surface comprising a plurality of staple-forming pockets defined therein. The anvil further comprises an anvil cap and a plurality of welds welding the anvil cap and the anvil body together. The welds comprise a shallow-welded zone comprising a first weld depth and a deep-welded zone comprising a second weld depth which is different than the first weld depth, wherein the shallow-welded zone and the deep-welded zone are configured to increase overall weld depth of the plurality of welds.

Abstract: A surgical instrument comprising a closure drive, a firing drive, and a lockout is disclosed. The lockout prevents the firing drive from being actuated until the closure drive has been sufficiently actuated.

Abstract: A loading unit for a surgical stapling apparatus includes a shaft assembly, an end effector coupled to the shaft assembly, an I-beam assembly supported in the shaft assembly, and a fire lock assembly supported on the shaft assembly. The end effector is positioned to articulate relative to the shaft assembly between an unarticulated position and an articulated position. The I-beam assembly is selectively movable relative to the end effector to fire the end effector. The fire lock assembly is configured to prevent the I-beam assembly from firing the end effector when the end effector is disposed in the unarticulated position.

Abstract: A surgical stapling device that comprises an end effector. According to various embodiments, the end effector comprises a circular anvil having a staple forming surface and a plurality of staples facing the staple forming surface of the anvil. The end effector also comprises a staple driver assembly comprising a plurality of staple drivers. Each staple driver supports one of the plurality of staples and is configured such that, when the staple driver assembly is actuated, each staple driver drives the staple into the staple forming surface of the anvil. A first quantity of the plurality of staple drivers has a first height and a second quantity of the plurality of staple drivers has a second height, wherein the first height is less than the second height.

Abstract: A surgical instrument assembly comprising a handle, a shaft, and an end effector is disclosed. The end effector comprises a first iaw comprising a tissue-supporting surface defining a plurality of staple cavities defined therein, a second iaw movable relative to the first jaw, a proximal pin coupling the first and second jaws, a first slot configured to receive the proximal pin, a distal pin coupling the jaw and second jaws, and a second slot configured to receive the distal pin. The proximal pin is movable vertically within the first slot. The distal pin is actuatable within the second slot between a first position where the second jaw is in an open position, a second position where the second jaw is in a clamped position, and a third position where the second jaw is in a fully closed position and the second iaw is in contact with the tissue-supporting surface.

Abstract: A tiltable anvil assembly is provided that includes an anvil head assembly that is tiltable from an operative position to a post-fired tilted position after firing of a circular stapler to minimize the profile of the anvil head assembly during removal of the anvil head assembly from a body lumen of a patient. In order to simplify removal of a tissue doughnut from the anvil head assembly after firing, the anvil assembly includes locking structure to retain the anvil head assembly in a post-fired doughnut removal position.

Abstract: A surgical end effector that includes first and second jaws that are selectively movable between a fully open position and a fully closed position relative to each other. At least one expandable tissue stop is located on one of the first and second jaws and is configured to extend between first and second jaw surfaces on the first and second jaws as the first and second jaws move between the fully open and the fully closed positions.

Abstract: Stapling assemblies for use with a surgical stapler and methods for manufacturing the same are provided. Three dimensional adjuncts for use with a surgical stapling assembly and methods for manufacturing the same are also provided.

Abstract: A tool apparatus and a method for actuating a tool apparatus are disclosed. The tool apparatus includes an actuator housing, and an elongate tool manipulator extending outwardly from the actuator housing and having a plurality of control links extending along a length of the tool manipulator. The control links are operable to cause movement of a distal end of the tool manipulator in response to movement of the control links in an actuating direction generally aligned with the length of the tool manipulator. The apparatus also includes a plurality of actuators, each actuator being associated with at least one of the control links and being mounted in the actuator housing to facilitate a range of travel in a transverse direction substantially orthogonal to the actuating direction, and a plurality of linkages. Each linkage is associated with one of the control links and extends between the control link and the respective actuator and is operable to transmit drive forces between the actuator and the control link.

Abstract: A loading unit for use with a surgical instrument includes a body configured for coupling to a surgical instrument and defining a longitudinal axis and having proximal and distal ends, and an end effector coupled to the distal end of the body. The end effector includes a staple cartridge assembly having a staple cartridge and an anvil assembly having an anvil plate. A drive assembly is at least partially disposed within the body. The drive assembly includes an actuator member having a roller engageable with at least one of the staple cartridge assembly or the anvil assembly. The roller is configured to rotate upon longitudinal movement of the drive assembly to facilitate movement of the drive assembly and relative movement of the staple cartridge assembly and the anvil assembly between open and approximated conditions.

Abstract: A surgical severing and stapling instrument, suitable for laparoscopic and endoscopic clinical procedures, clamps tissue within an end effector of an elongate channel pivotally opposed by an anvil. An E-beam firing bar moves distally through the clamped end effector to sever tissue and to drive staples on each side of the cut. The E-beam firing bar affirmatively spaces the anvil from the elongate channel to assure properly formed closed staples, especially when an amount of tissue is clamped that is inadequate to space the end effector. In particular, an upper pin of the firing bar longitudinally moves through an anvil slot and a channel slot is captured between a lower cap and a middle pin of the firing bar to assure a minimum spacing. Forming the E-beam from a thickened distal portion and a thinned proximal strip enhances manufacturability and facilitates use in such articulating surgical instruments.

Abstract: A surgical instrument that includes a surgical end effector that has a first jaw and a second jaw that is pivotally attached to the first jaw for pivotal travel between a fully open position and a fully closed position by an axially movable closure member. The instrument further includes an axially movably firing member that has at least one jaw engagement feature that is configured to apply additional closure motions to the second jaw as the axially movable firing member is moved from a proximal most position to a distalmost position within the first end effector jaw. When the closure member is in a starting position and the axially movable firing member is in the proximal most position, a distal end of the closure member is distal to a distal end of the at least one jaw engagement feature.

Abstract: A surgical instrument for use with and for selective connection to an instrument drive unit includes an end effector, an instrument drive connector including a plurality of drive assemblies, and a plurality of drive members in mechanical cooperation with the instrument drive connector and the end effector. Each drive assembly of the plurality of drive assemblies includes a drive screw including an elongated threaded body and a drive nut threadedly engaged with the elongated threaded body of the drive screw such that rotation of the drive screw results in longitudinal movement of the drive nut. Each drive member of the plurality of drive members includes a proximal end portion secured to a respective drive nut of one of the plurality of drive assemblies such that longitudinal translation of the respective drive nut causes longitudinal translation of the drive member to drive a function of the end effector.

Abstract: Stapling assemblies for use with a surgical stapler and methods for manufacturing the same are provided. Three dimensional adjuncts for use with a surgical stapling assembly and methods for manufacturing the same are also provided.

Abstract: A staple cartridge assembly comprises a connector, a cutter push rod and an elastic sheet, the elastic sheet having a first through groove and the cutter push rod being formed by laminating multiple sheets, wherein when the staple cartridge assembly is in an original status or a closed status, part of the cutter push rod is located in the first through groove, and the first through groove restricts detaching of the multiple sheets in a laminating direction of the multiple sheets; in a firing process of the staple cartridge assembly, the cutter push rod moves towards a distal end of the staple cartridge assembly to press the elastic sheet, such that the elastic sheet deforms and the cutter push rod is gradually detached from the first through groove; after the firing of the staple cartridge assembly is finished, the cutter push rod is detached from the first through groove.

Abstract: A drive shuttle is provided that includes a leader ramp mount that includes a longitudinal first axis; a first leader ramp that depends from (i.e. that physically couples to) a first side of the leader ramp mount; a pusher protrusion that depends from a second side of the leader ramp mount; a follower ramp mount; a follower protrusion that depends from the follower ramp mount; a first follower ramp that depends from the follower protrusion; wherein the first leader ramp, the pusher protrusion, the first follower ramp and the follower protrusion are disposed in relation to each another such that, in the first configuration, the pusher protrusion is spaced apart longitudinally from the follower protrusion by an offset amount and the first leader ramp is aligned longitudinally with the first follower ramp; and in the second configuration, the pusher protrusion contacts the follower protrusion and the first leader ramp is spaced apart longitudinally from the first follower ramp by the offset amount.

Abstract: A circular stapling apparatus includes a staple cartridge, a pusher, and a buttress. The staple cartridge has a tissue contact surface and supports an array of fasteners therein. The pusher is configured to move relative to the staple cartridge to fire the fasteners from the staple cartridge. The buttress is supported on the staple cartridge and selectively pinned to the pusher.

Abstract: A calibration method for a hand-held surgical instrument is disclosed. The hand-held instrument includes a drive motor, a firing rod controlled by the drive motor and having at least one indicator, and a sensor configured to detect the at least one indicator. A microcontroller includes a pulse modulation algorithm stored therein to control the drive motor. The microcontroller executes a calibration algorithm to adjust at least one program coefficient in the pulse modulation algorithm.

Abstract: A surgical instrument can include an anvil and, in addition, a staple cartridge support configured to support a staple cartridge. In various embodiments, the jaw can be moved toward the staple cartridge to deform staples contained within the staple cartridge. The anvil can be configured to be translated and/or rotated as the anvil is moved toward the staple cartridge. In certain embodiments, the anvil can be configured to float and adjust such that the anvil is moved downwardly in a level manner.

Abstract: A surgical stapling apparatus. Various embodiments include a handle assembly that has a movable handle that is movable through actuation strokes relative to a stationary handle housing. An actuation is shaft supported at least in part within the stationary handle housing and is movable in response to manipulation of the movable handle. Various embodiments further include a firing lock out assembly that is configured to selectively prevent longitudinal movement of the actuation shaft in a distal direction. A firing release trigger is supported on the movable handle for travel therewith and is configured to interface with the firing lockout assembly to selectively release the firing lockout assembly to permit the actuation shaft to move longitudinally in the distal direction upon manipulation of the movable handle.

Abstract: A stapling system comprising an end effector, a staple cartridge, a rigid shaft, an articulation joint, an articulation system, a clamping member, and a firing system comprising a sled movable within the staple cartridge to eject staples from the staple cartridge during a staple firing stroke, an electric motor, and a firing actuator is disclosed. The end effector comprises a first jaw and a second jaw rotatable relative to the first jaw between an unclamped position and a clamped position. The clamping member is configured to rotate the second iaw into the clamped position. The stapling system further comprises a system responsive to the clamping of the second iaw which enables the staple firing stroke to be performed after the second jaw has been rotated into the clamped position, and a system configured to maintain an orientation of the end effector about the articulation joint during the staple firing stroke.