Abstract: A surgical stapling instrument having an elongate shaft assembly, an articulation joint, and an end effector pivotally coupled to the elongate shaft assembly about the articulation joint is disclosed. The end effector comprises a first jaw and a second jaw pivotally coupled to the first jaw. A replaceable staple cartridge assembly comprises a cartridge body having a deck with a first tissue-facing surface comprising a plurality of staple cavities defined therein and a second tissue-facing surface stepped relative to the first tissue-facing surface. The replaceable staple cartridge further comprises a sled with a cutting surface. The end effector further comprises a drive screw extending longitudinally therewithin and a bearing, wherein a distal end of the drive screw is received by the bearing.

Abstract: Various methods and devices are provided for allowing multiple surgical instruments to be inserted into sealing elements of a single surgical access device. The sealing elements can be movable along predefined pathways within the device to allow surgical instruments inserted through the sealing elements to be moved laterally, rotationally, angularly, and vertically relative to a central longitudinal axis of the device for ease of manipulation within a patient's body while maintaining insufflation.

Abstract: A surgical instrument. The surgical instrument includes an end effector that comprises a staple channel and an anvil that is movably translatable relative to the staple channel. A tool mounting portion is configured to interface with a robotic system and operably communicate with the end effector. The instrument further includes a first sensor that has an output that represents a first condition of a portion of the robotic system. A second sensor has an output that represents a position of the anvil. A third sensor has an output that represents a position of a reciprocating knife within the end effector. An externally accessible memory device communicates with the first, second and third sensors.

Abstract: The present invention includes a surgical stapler having a staple cartridge, an anvil, and a cutting member having a cutting surface, wherein the cutting member is relatively movable with respect to the anvil and the staple cartridge. In at least one embodiment, one of the anvil and the staple cartridge defines a slot which is configured to receive at least a portion of the cutting member and guide the cutting member as it is moved relative to the anvil and the staple cartridge. In these embodiments, the slot can define a path having linear and/or curved portions. In various embodiments, the path can include a curved portion having a first portion that extends away from the shaft axis and a second portion that extends toward the axis. In one embodiment, the path can include a curved portion defined by an arc corresponding to an angle greater than 90 degrees.

Abstract: An end effector for a surgical fastening instrument is disclosed. The end effector comprises a frame, a first jaw, and a second iaw. The first iaw comprises a cartridge body, a plurality of fastener cavities defined in the cartridge body, an arcuate row of first fasteners removably stored in the cartridge body, and an arcuate row of second fasteners removably stored in the cartridge body. The second jaw comprises an arcuate anvil configured to deform the first fasteners to a first fired height and the second fasteners to a second fired height. The first fired height is different than the second fired height. The end effector further comprises first fastener-supporting surfaces configured to advance the first fasteners toward the arcuate anvil during a fastener firing stroke and second fastener-supporting surfaces configured to advance the second fasteners toward the arcuate anvil during the fastener firing stroke.

Abstract: A surgical end effector may comprise first and second jaw members. The second jaw member may comprise an offset proximal supply electrode that is positioned to contact an opposing member of the first jaw member when the first and second jaw members are in the closed position. The second jaw member may also comprise a distal supply electrode that is positioned distal of the offset proximal electrode and is aligned with a conductive surface of the first jaw member when the first and second jaw members are in the closed position. When the first and second jaw members are in the closed position, the proximal supply electrode may be in contact with the opposing member and the distal supply electrode is not in contact with the conductive surface of the first jaw member.

Abstract: An end effector for use with a surgical instrument is disclosed. The end effector comprises a first jaw and a second jaw pivotably coupled to said first jaw. The second jaw is movable relative to the first jaw between an open position and a closed position. The end effector further comprises a replaceable staple cartridge, a wedge sled assembly comprising a knife, and a drive screw extending longitudinally through the end effector, wherein a rotation of the drive screw in a first direction distally-advances the wedge sled assembly through the end effector during a staple firing stroke. A bearing rotatably supports a distal portion of the drive screw.

Abstract: A fastener cartridge can comprise a support portion, a tissue thickness compensator positioned relative to the support portion, and a plurality of fasteners positioned within the support portion and/or the tissue thickness compensator 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 a second jaw, or anvil, can be positioned opposite the first jaw. To deploy the fasteners, a staple-deploying member is advanced through the fastener cartridge to move the fasteners toward the anvil. As the fasteners are deployed, the fasteners can capture at least a portion of the tissue thickness compensator therein along with at least a portion of the tissue being fastened.

Abstract: A surgical tool for use with a robotic system is disclosed that includes a shaft, an end effector, a motor, an axially movable drive member, and a rotary drive shaft in operable communication with the motor. The end effector comprises a first jaw member and a second jaw member movable relative to the first jaw member between an open position and a closed position. The end effector is rotatable relative to the shaft. The axially movable drive member is in operable communication with the second jaw member. The rotary drive shaft is in operable engagement with the axially movable drive member. At least one rotational motion of the rotary drive shaft causes the axially movable drive member to move the second jaw member relative to the first jaw member from the closed position to the open position.

Abstract: 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.

Abstract: A surgical instrument comprising a surgical end effector that comprises a first jaw and a second jaw that is movably supported relative to the first jaw for selective movement between an open position and closed positions. The surgical instrument further comprises a closure member that is axially movable in response to closing and opening motions. The closure member comprises at least one opening cam that protrudes therefrom to movably engage a corresponding cam surface on the second jaw such that upon application of the opening motion, the at least one opening cam movably engages the corresponding cam surface to move the second jaw to an open position, even when the jaws are under a load.

Abstract: A staple having a crown, a deformable leg extending from the crown, and a spring extending from the crown configured to compress tissue between the spring and the deformable member. Owing to the flexibility of the spring, the staple can accommodate a wide range of tissue thicknesses while still compressing the tissue captured therein. As a result, a single staple design can be used in a wide variety of surgical procedures thereby reducing the amount of staple designs that must be provided to the surgeon. In at least one embodiment, the staple includes a crushable member. This crushable member can include a plastically deformable first portion and an elastically deformable second portion. The present invention can also include, in various embodiments, a crown, a first deformable member extending from the crown, and means for compressing the tissue against the first deformable member.

Abstract: A surgical stapling system comprising an end effector, a firing beam, and a push bar is disclosed. The end effector comprises a first jaw and a second jaw rotatable relative to the first jaw between an open position and a closed position. The firing beam is movable from a proximal position toward a distal position during a firing stroke. The firing beam comprises a first cam configured to engage the first jaw during the firing stroke, a second cam configured to engage the second jaw during the firing stroke, and a middle span extending between the first cam and the second cam. The middle span is defined by a span distance. The span distance comprises a span midpoint. The push bar is engaged with the firing beam at a level between the first cam and the second cam other than at the span midpoint.

Abstract: A surgical stapling anvil is disclosed comprising an anvil body including a tissue-facing surface, a plurality of staple forming pockets, and a longitudinal slot. The longitudinal slot comprises a first portion configured to receive a cutting edge of a firing member therethrough and a second portion configured to receive an anvil-camming portion of the firing member therethrough. The anvil further comprises an anvil cap welded to the anvil body, wherein the anvil cap comprises a welded portion and a non-welded portion, wherein the non-welded portion comprises a non-welded width, and wherein the non-welded width is less than or equal to about 105% of the width of the second portion.

Abstract: A surgical stapling system comprising an end effector, a firing assembly, a motorized system, an elongate shaft, and a handle assembly is disclosed. The end effector is configurable in an open configuration and a closed configuration and comprises an elongate channel, an anvil, and a staple cartridge including a plurality of staples removably stored therein. The firing assembly is movable from a starting position toward an ending position during a firing stroke. The staples are deployable from the staple cartridge based on the firing assembly moving toward the ending position. The motorized system is configured to drive the firing assembly toward the ending position. The anvil comprises an anvil body and an anvil cap welded to the anvil body. The anvil cap is configured to increase a stiffness of the anvil.

Abstract: A surgical instrument. The surgical instrument has a force delivery system which communicates a changing force to a user of the surgical instrument when a limit of a surgical function is reached. A sensor senses position of a moving element to communicate a signal to the force delivery system. In various embodiments, the system generates a vibratory force to signal the user.

Abstract: A surgical instrument comprising a surgical end effector that comprises a first jaw and a second jaw that is movably supported relative to the first jaw for selective movement between an open position and closed positions. The surgical instrument further comprises a closure member that is axially movable in response to closing and opening motions. The closure member comprises at least one opening cam that protrudes therefrom to movably engage a corresponding cam surface on the second jaw such that upon application of the opening motion, the at least one opening cam movably engages the corresponding cam surface to move the second jaw to an open position, even when the jaws are under a load.

Abstract: A surgical instrument comprising an elongate shaft, an end effector, and a firing member is disclosed. The end effector comprises an elongate channel and an anvil pivotable relative to the elongate channel between an open position and a closed position. The firing member is longitudinally movable relative to the end effector during a firing stroke in response to a firing motion transmitted thereto. The firing member comprises a first cam member, a second cam member, and a body portion including a knife blade. The first cam member extends laterally from the body portion and is configured to directly engage the elongate channel during the firing stroke. The second cam member extends laterally from the body portion and is configured to engage the anvil during the firing stroke. The knife blade is positioned intermediate the first cam member and the second cam member.

Abstract: A staple cartridge is disclosed. The staple cartridge can comprise a cartridge body comprising a deck and a bottom surface opposite the deck. The staple cartridge can comprise a plurality of staple cavities, wherein each staple cavity extends into the cartridge body from the deck to the bottom surface. Additionally, a plurality of wells can be defined into the staple cartridge from the deck to a lowermost surface of the well. A plurality of staples can be removably positioned in the staple cavities. The staple cartridge can comprise a tissue thickness compensator releasably secured to the cartridge body, wherein the tissue thickness compensator comprises a compensator body and a plurality of extensions extending from the compensator body into the wells, wherein at least one extension is compressed within one of the wells. Each well can surround at least one staple cavity and/or can extend between at least two staple cavities.

Abstract: A surgical instrument can include a shaft, an end effector, and an articulation joint configured to permit the end effector to rotate relative to the shaft about the articulation joint. The surgical instrument can further comprise a first articulation actuator for rotating the end effector in a first direction and a second articulation actuator for rotating the end effector in a second direction. The articulation actuators can be configured to push the end effector. The articulation actuators can assume different configurations depending on whether they are experiencing a compressive load or a tensile load. The articulation joint can comprise an articulation frame which forms a proximal joint with the shaft and a distal joint with the end effector. The joints can comprise fixed axis joints and/or ball-and-socket joints, for example. The articulation joint can comprise links having different sizes to facilitate the articulation of the articulation joint.