Abstract: An endostapler has a stapler body with distally-situated first and second stapler units, each of which may pivot from a stowed position oriented parallel to the stapler body to a deployed position oriented at an angle to the stapler body. Each stapler unit may open to receive tissue, and close upon the tissue to cut and staple it. When stapling, parallel adjacent rows of staples are applied adjacent the cut, and the staples are offset between the rows such that the staples in each row are adjacent the spaces between staples in the adjacent row. A third stapler unit has jaws situated about the first and second stapler units, and may close upon and staple tissue situated between the deployed first and second stapler units.

Abstract: A surgical instrument including a signal interference detection system.

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 method for controlling a surgical instrument is disclosed. In at least one instance, the surgical instrument comprises a shroud and the operation of the surgical instrument is modified based on input from a sensing circuit configured to sense a parameter of the shroud. In certain instances, the surgical instrument comprises a strain gage circuit and the operation of the surgical instrument is modified based on input from the strain gage circuit.

Abstract: A reciprocating power tool may include a driving system including a motor and a transmission received in a housing to drive a reciprocating mechanism. A counterbalance mechanism may be coupled between the driving system and the reciprocating mechanism. The counterbalance mechanism may include a rotating counterbalance mechanism including a first rotating counterweight member and a second rotating counterweight member coupled to an output gear of the driving system. The counterbalance mechanism may include a rocking counterweight member coupled between the output gear and the housing. The output gear may include a recessed portion in which the first rotating counterweight member and a clutching system are received.

Abstract: A surgical stapler includes a first stapler half including an anvil surface having a plurality of staple forming pockets, and a second stapler half configured to releasably couple with the first stapler half. The second stapler half is operable to deploy staples toward the anvil surface. The stapler also includes a projection positioned on one of the stapler halves and extending laterally relative to a longitudinal axis of the stapler. The stapler halves are configured to pivot relative to each other about the projection. The stapler further includes a locking member positioned on the other of the stapler halves. The locking member is configured to translate along the longitudinal axis of the stapler between a locked state in which the locking member selectively captures the projection and an unlocked state in which the locking member selectively releases the projection. The locking member is biased proximally toward the locked state.

Abstract: An electric drill and an electric tool, including: a housing provided with an air inlet and an air outlet; a motor received in the housing, wherein the motor at least comprises a motor shaft; a drill bit, acting on a workpiece; the motor shaft is connected to the drill bit; a gearbox arranged in the housing for accommodating the transmission assembly; a fan supported by the motor shaft; wherein the gearbox is formed with a passage, and at least a part of a flow path of an airflow that enters the housing from the air inlet and flows out of the housing from the air outlet is provided on the passage.

Abstract: A closure drive mechanism and a surgical stapler are provided, including: a linkage assembly including a first pivot portion and a second pivot portion, where the first pivot portion is configured to be pivotally connected to the instrument body, and the second pivot portion is configured to be located on a proximal side of the first pivot portion; a movable handle including a first mating portion; a closure drive assembly configured to be pivotally connected to the second pivot portion of the linkage assembly. When the linkage assembly is in a first state and the movable handle rotates in a first direction, the first mating portion drives the linkage assembly to enter a second state, the second pivot portion of the linkage assembly moves proximally and drives the closure drive assembly to move proximally, so the stapler is closed.

Abstract: The present disclosure provides a circular stapler. The circular stapler includes a stapling head assembly. A trocar is positioned at least partially within the stapling head assembly. An anvil is detachably attachable to the trocar. A knob rotatable to cause translation of the trocar to adjust a position of the anvil with respect to the stapling head assembly. One or more sensors are configured to generate data associated with a trocar position or an anvil state. A communication element is configured to provide the generated data to a hub, wherein the hub is configured to provide an indicator associated with the trocar position or the anvil state based on the generated data.

Abstract: A compression gauge cartridge for use mounted in a cartridge jaw member of a surgical compression gauge instrument to compress tissue to a predetermined thickness and measure reactionary load therefrom comprises: a cartridge body configured to be releasably mounted in the cartridge jaw member; a force gauge assembly comprising a force transducer and a compression head supported by the cartridge jaw member. The compression head is configured and disposed to be able to transfer the reactionary load from tissue to the force transducer, and a spacer member disposed between the two jaw members comprising the end effector of the surgical compression gauge instrument.

Abstract: Various embodiments of the present disclosure provide a combustion-powered fastener-driving tool including multiple combustion chambers and/or usable with fuel canisters of varying lengths.

Abstract: The present disclosure includes apparatuses for a surgical handle assembly. An example apparatus includes a reloadable cartridge assembly and a surgical handle assembly including an articulation assembly configured to maintain the reloadable cartridge assembly in a first operation position, the articulation assembly comprising a knob in a first position, a lock core coupled to the knob, a housing, a first roller and a second roller, and a first spring, wherein the first roller is positioned on a first end of the first spring and the second roller is positioned on a second end of the first spring, and wherein the first spring is configured to bias the first roller and the second roller between the lock core and the housing to maintain the knob in the first position.

Abstract: A surgical instrument is disclosed herein. The surgical instrument can include an end effector that includes jaws configured to transition between an opened condition and a closed condition, a plurality of electrodes positioned within the jaws of the end effector, a control circuit, and a memory configured to store an algorithm configured to cause the control circuit to determine an impedance signal based on signals received from the plurality of electrodes, detect a media positioned between the jaws of the end effector based on the determined impedance signal, determine a position of the detected media based on the received signals, and generate an alert associated with the detected media and the determined position.

Abstract: Devices and mechanisms are disclosed for a simple ejection of the battery-pack from a power-tool with one hand only. The disclosed lock and release mechanisms primarily use one finger while the same hand of the user holds the power-tool. The claimed devices and mechanisms accept and eject two categories of batteries that either slideably attach to the bottom of the power-tool or are inserted into the handle of the power-tool.

Abstract: Devices and mechanisms are disclosed for a simple ejection of the battery-pack from a power-tool with one hand only. The disclosed lock and release mechanisms primarily use one finger while the same hand of the user holds the power-tool. The claimed devices and mechanisms accept and eject two categories of batteries that either slideably attach to the bottom of the power-tool or are inserted into the handle of the power-tool.

Abstract: A surgical staple cartridge is disclosed comprising a plurality of staples removably stored within the surgical staple cartridge. The staples comprise staple legs which extend from a staple base portion. The staple legs comprise staple tips configured to pierce tissue and contact a corresponding forming pocket of an anvil of surgical stapling instrument. The staples further comprise zones having different hardnesses.

Abstract: A cartridge assembly and a surgical stapler are provided. The cartridge assembly includes: a cartridge including a cartridge surface provided with a plurality of staple cavities, staple mating portions provided on proximal sides of the staple cavities; a plurality of staples located in the staple cavities; an actuation member configured to drive the staples and the staple mating portions to rotate in a first direction when the actuation member moves from a proximal side toward a distal side of the cartridge. After each staple mating portion rotates, the second connecting portion of the corresponding staple is driven by the staple mating portion to move away from the cartridge and then separates from the staple cavity, so the staples can be more easily separated with the cartridge after being closed.

Abstract: A surgical stapler includes an anvil and a cartridge that cooperate with each other, a handle, and a connecting tube for connecting the cartridge to the handle. A stent mounting rod is arranged at a front end of the anvil, and a stent for distracting an orifice is movably connected to the stent mounting rod. The stent has a flexible and deformable tubular structure and can distract a lumen of the human orifice after a radial constraint is removed. The stent is coated with an anti-leakage film. An anti-reflux film is further arranged on the stent. The surgical stapler can effectively solve some complications after anastomosis by an existing surgical stapler, and can be widely used in the technical field of medical anastomosis.

Abstract: A handheld electromechanical surgical device, capable of effectuating a surgical procedure, includes a handle assembly having a power source; at least one motor coupled to the power source; and a controller configured to control the motor. The surgical device includes an adapter assembly having an electrical assembly having a proximal end in communication with the controller of the handle assembly. The surgical device includes a reload configured to selectively connect to a distal end of the adapter assembly. The reload includes an annular array of staples; an annular staple pusher for ejecting the staples; and a data storage device selectively connectable to a distal end of the electrical assembly. The data storage device receives and stores performance data of the surgical device from the controller of the handle assembly.

Abstract: Implantable materials for use with end effectors like surgical stapling devices, and methods for using the same, are generally provided. In some embodiments, adjunct materials for use with surgical staplers are provided. For example, a kit for stapling tissue is provided that can include a surgical stapler having an end effector. The end effector can have first and second jaws. The kit can include an adjunct material having hydrophobic surface regions and hydrophilic surface regions and the adjunct material can be configured to mate to at least one of the jaws of the end effector. Other implants, devices, and methods for surgical stapling are also provided.