Abstract: A surgical instrument comprising a firing drive and a bailout retraction system is disclosed.

Abstract: The present invention relates to a laparoscopic stapler for suturing body tissue cut during laparoscopic surgery, and more particularly, to a laparoscopic stapler in which implant binding pins to be continuously fired can be correctly positioned using an implant alignment unit for aligning an implant assembly, and an implant assembly pressing member. Therefore, malfunctioning is prevented, and implant loading, transport, and discharge can proceed smoothly.

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 surgical apparatus is provided. The surgical apparatus includes a proximal body portion, a distal body portion selectively articulable relative to the proximal body portion at an articulation joint, and a first drive gear disposed within the distal body portion. The distal body portion has a diameter and a length. The length of the distal body portion is substantially the same as the diameter of the distal body portion.

Abstract: An end effector includes an anvil and a cartridge assembly having a plurality of surgical staples disposed in a cavity defined therein. The cartridge assembly may include a movable driver or sled configured to deploy the surgical staple from the cavity into tissue. The surgical staple may include a linear leg and an arcuate leg extending therefrom. The linear leg may include a protruding portion to provide pressure to tissue captured by the surgical staple. A three-dimensional and/or self-supporting surgical staple may interlock its two legs upon deployment thereof.

Abstract: A surgical instrument comprising a power source, a first voltage regulator, and a second voltage regulator are disclosed. The surgical instrument further comprises a power source configured to sequentially power the first voltage regulator and the second voltage regulator.

Abstract: A surgical device includes a handle assembly including a controller and a first electrical connector. The surgical device also includes an adapter assembly having: a tubular housing having a proximal end portion configured to couple to the handle assembly, and a distal end portion; a second electrical connector disposed at the proximal end portion and configured to couple to the first electrical connector; an electrical contact assembly disposed at the distal end portion; and a wire harness disposed within the tubular housing and interconnecting the second electrical connector and the electrical contact assembly. The surgical device also includes a surgical end effector configured to couple to the distal end portion of the adapter assembly, the surgical end effector includes an electrical contact configured to couple to the electrical contact assembly.

Abstract: A surgical stapler including an anvil, a staple cartridge, and a buttress material removably retained to the anvil and/or staple cartridge. In various embodiments, the staple cartridge can include at least one staple removably stored therein which can, when deployed, or fired, therefrom, contact the buttress material and remove the buttress material from the anvil and/or staple cartridge. In at least one embodiment, the anvil can include at least one lip and/or groove configured to removably retain the buttress material to the anvil until deformable members extending from the surgical staple are bent by the anvil and are directed toward and contact the buttress material.

Abstract: A drilling tool includes a tool body, a brushless motor, a first detector, a second detector and a control device. The brushless motor is housed in the tool body and configured to drive the tool accessory. The first detector is configured to detect first information corresponding to a load applied to the tool accessory. The second detector is configured to detect second information corresponding to a rotation state of the tool body around the driving axis. The control device is configured to control operation of the drilling tool. The control device is configured to set a conduction angle for the brushless motor based on the first information, and to determine, based on the first information and the second information, whether or not excessive rotation of the tool body due to jamming of the tool accessory occurs.

Abstract: An arthroscopic system includes a hand piece with a motor drive. an elongate shaft assembly is detachably secured to a distal end of the hand piece, and the elongate shaft assembly includes an outer sleeve and an inner sleeve rotatably mounted in the outer sleeve. The inner sleeve couples to the motor drive when the elongate shaft assembly is attached to the hand piece, and an inner distal cutting window on the inner sleeve moves in and out of alignment with an outer distal cutting window on the outer sleeve as the motor drive rotates the inner sleeve.

Abstract: A surgical instrument comprises a body, shaft, and end effector. The shaft couples the end effector and body together. The end effector comprises an anvil and lower jaw configured to receive a surgical staple cartridge. The anvil is configured to pivot toward and away from the staple cartridge and lower jaw. The shaft assembly comprises a knife member configured to longitudinally translate to thereby substantially simultaneously cut clamped tissue and staple the severed tissue. The end effector may comprise lockout features configure to prevent longitudinal translation of the knife member. The end effector or staple cartridge may comprise lockout bypass features configured to prevent lockout of the knife member.

Abstract: A surgical stapling apparatus includes a housing assembly and an elongated shaft assembly. The elongated shaft assembly is selectively attachable to the housing assembly. The elongated shaft assembly includes an adapter assembly and a loading unit. The adapter assembly extends distally to a distal tip housing. The distal tip housing supports an adapter electrical connector assembly therein. The loading unit is selectively attachable to the adapter assembly and extends distally to an end effector supporting one or more sensors therein. The loading unit supports a loading unit electrical connector assembly therein. The loading unit electrical connector assembly is positioned to contact the adapter electrical connector assembly when the adapter assembly and the loading unit are coupled together to electrically couple the one or more sensors to the housing assembly.

Abstract: Tissue irregularity complication(s) may be predicted based on biomarker measurements obtained before a surgery and/or during the surgery via one or more sensing systems. For example, a computing system may monitor the patient biomarker(s) including tissue perfusion pressure, lactate, oxygen saturation, VO2Max, respiration rate, autonomic tone, sweat rate, heart rate variability, skin conductance, GI motility, edema and/or hydration state. Based on the prediction, the computing system may generate a control signal configured to alter a matter in which a surgical cutting and stapling device and/or a surgical energy operate, to adjust a surgical procedure plan, to adjust a surgical instrument selection, indicate a probability of the tissue irregularity complication, and/or to indicate a suggested adjustment to surgical procedure plan, surgical approach, and/or surgical instrument selection.

Abstract: A bone staple device includes a base; and two legs extending parallel from the base, the two legs each having a tapered end opposite the base; and a cutout region extending through a thickness of the base, the cutout region forming a petal protruding away from the leg; the bone staple device serving as a suture anchor to affix directly to soft tissue.

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 surgical instrument includes a body assembly, a shaft assembly extending distally from the body assembly along a shaft axis, and an end effector at a distal end of the shaft assembly. The shaft assembly includes an outer tube configured to rotate relative to the body assembly about the shaft axis. The surgical instrument further includes a slip ring assembly configured to enable electrical communication between the shaft assembly and the body assembly while permitting relative rotation therebetween. The slip ring assembly includes a first electrical contact supported by the outer tube, and a second electrical contact electrically coupled with the first electrical contact and positioned radially outward of the outer tube. The first electrical contact is configured to rotate with the outer tube about the shaft axis relative to the second electrical contact while the first and second electrical contacts remain electrically coupled.

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: Embodiments of the invention provide a ram assembly for a hydraulic tool. The ram assembly includes a ram piston having a ram cavity. The ram piston receives a hydraulic pressure reaction force. The ram assembly further includes an overload assembly disposed in the ram cavity or in a cavity defined by a manifold. The overload assembly includes a burst disc positioned at a first end of the ram cavity or manifold, a lock nut positioned at a second end of the ram cavity or manifold, and a spacer positioned between the burst disc and the lock nut. The spacer transfers a supporting force applied to the lock nut to the burst disc. The hydraulic pressure reaction force and the supporting force both act in the same direction, and thus, are additive forces acting on the burst disk.

Abstract: An instrument can include a shaft with a proximal end portion and a distal end portion, an end effector at the distal end portion of the shaft, and a transmission mechanism at the proximal end portion of the shaft. The transmission mechanism can include a driven input device engageable with an external drive mechanism. The instrument can include an indicator operably coupled to the driven input device and moveable through each of a plurality of consecutive positions, each of the plurality of consecutive positions being associated with a unique indicium of a non-zero number of available uses left of the instrument. In response to the driven input device being driven, the indicator moves from a current position of the plurality of positions to a subsequent position of the plurality of positions. The instrument can also include a device configured to record occurrence of a change in an environmental condition to which the instrument is subjected.