Abstract: A surgical clip applier and an elongated assembly of a surgical clip applier are disclosed. The elongated assembly includes an outer shaft, an end effector assembly extending distally from the outer shaft and including first and second spaced-apart arms having respective first and second jaws disposed at free ends thereof, and an inner drive sleeve disposed within the outer shaft including a bearing assembly slidably disposed about the end effector assembly. The bearing assembly includes first ball bearing(s) and second ball bearing(s) positioned adjacent the first and second spaced-apart arms, respectively. Sliding of the bearing assembly from a proximal position to a distal position rolls the first and second ball bearings about the spaced-apart arms to urge the arms towards one another, thereby moving the first and second jaws from a spaced-apart position to an approximated position to apply a surgical clip about tissue disposed between the first and second jaws.

Abstract: An end effector for a surgical device includes first and second jaws disposed adjacent one another. An actuator clevis is configured to couple to proximal ends of the first and second jaws in a distal portion of the actuator clevis. A jaw clevis defines a lumen and is configured to receive the first and second jaws and the actuator clevis in the lumen. The first and second jaws and the actuator clevis are configured to be transitionable along a longitudinal axis of the lumen. The first and second jaws are pivotably coupled to each other at proximal ends thereof and slidably coupled to the jaw clevis at a location distal of the proximal ends.

Abstract: A tissue specimen retrieval device includes first and second shafts telescopically movable relative to one another. The second shaft supports an end effector that is movable relative to the first shaft between a retracted position, wherein the end effector is disposed within the first shaft, and a deployed position, wherein the end effector extends distally from the first shaft in an expanded configuration. The end effector includes a bag brim having first and second ends that operably engage the distal end of the second shaft. The bag brim is transitionable from a first collapsed configuration for disposition within the first shaft to an expanded, configuration upon deployment from the first shaft. The bag brim includes a spring assembly disposed between the first and second ends thereof that is configured to facilitate automatic expansion of the bag brim to the expanded configuration upon deployment thereof from within the first shaft.

Abstract: An electrode assembly for an electrosurgical instrument includes a housing configured to operably receive a distal end of an instrument shaft, the housing including a pair of opposing spring clips. An active electrode is included having a proximal end configured to engage the distal end of the shaft and includes a cutting edge defined about a periphery thereof. An insulator is included that encapsulates the active electrode while leaving the cutting edge exposed. A pair of return electrodes is included that is each configured to operably engage an exposed side of the insulator, each return electrode including a recess defined therein configured to removably receive a distal end of each respective spring clip such that, upon selective engagement of the active electrode with the distal end of the shaft, each spring clip removably snaps into each respective recess to removably lock the active and return electrodes to the housing.

Abstract: A ligation clip includes a first beam that supports a first alignment member and a second beam that supports a second alignment member. The first and second alignment members receive distal end portions of first and second beam portions of a second ligation clip when the ligation clips are stacked within a multi-fire clip applier to provide stability to the clip stack.

Abstract: A ligation clip includes a first jaw, a second jaw, and a hinge. The first jaw has a body having an inner surface defining a first clamping surface and an outer surface. The second jaw has a body having an inner surface defining a second clamping surface and an outer surface. The hinge is integrally formed with the first and second jaws and includes an inner hinge portion and an outer hinge portion. The inner hinge portion has an inner surface that is contiguous with the first and second clamping surfaces of the first and second jaws, and an outer surface. The inner surface of the inner hinge portion is defined by a plurality of curved sections. The hinge is configured to facilitate pivotal movement of the first jaw in relation to the second jaw between an open position and a clamped position.

Abstract: A tissue cutting device has a blade that pivots to pierce through tissue and translates to cut tissue, thereby providing a clean and smooth cut through tissue. The blade is coupled to an axial rod. Axial displacement of the axial rod pivots the blade and imparts axial displacement to the blade.

Abstract: A tissue guard includes a body having a first section and a second section each defining an open proximal end, an open distal end, and a lumen extending therethrough. The distal end of the first section includes a plurality of resilient fingers operably coupled thereto, each of the plurality of resilient fingers including a flange biased towards the distal end of the first section. The second section includes a corresponding plurality of holes defined therein in annular row-like spatial registration with the plurality of resilient fingers. The distal end of the second section is configured to be telescopically received within the proximal end of the first section such that mechanical engagement of the plurality of fingers with a corresponding row of annular holes locks the first section relative to the second section to incrementally adjust the height of the body.

Abstract: A purse string suture passing device includes a clamp member and a suture passer housing assembly. The clamp member is dimensioned to be received within a guide channel of the suture passer housing assembly and includes two jaws that each define a longitudinal passage. The suture passer housing assembly includes two needles that are supported within the guide channel and are received within the longitudinal passages of the clamp member as the clamp member is inserted through the guide channel. Each of the needles receives a suture passer that includes a distal portion that is configured to engage a suture after the clamp member is received within the guide channel. When the suture is attached to the suture passers, the clamp member can be removed from the guide channel to apply a purse string suture to the tissue.

Abstract: A surgical access device includes a cannula and a seal housing. The cannula has a cannula housing and a tubular member that extends from the cannula housing. The seal housing is coupled to the cannula housing. The seal housing has a base and a cover with an instrument seal located between the base and the cover. The cover has an upper cover portion and a lower cover portion with a port extending from the upper cover portion. The port is connectable to a source of vacuum. A chamber with projections and windows is defined in the upper cover portion and is configured to direct fluid towards the port.

Abstract: A surgical clip applier and an elongated assembly thereof. The elongated assembly includes an outer shaft, an end effector assembly extending distally from the outer shaft and including first and second spaced-apart arms having respective first and second jaws disposed at free ends thereof, and an inner drive sleeve disposed within the outer shaft including a bearing assembly slidably disposed about the end effector assembly. The bearing assembly includes first ball bearing(s) and second ball bearing(s) positioned adjacent the first and second spaced-apart arms, respectively. Sliding of the bearing assembly from a proximal position to a distal position rolls the first and second ball bearings about the spaced-apart arms to urge the arms towards one another, thereby moving the first and second jaws from a spaced-apart position to an approximated position to apply a surgical clip about tissue disposed between the first and second jaws.

Abstract: A surgical clip pack includes a frame configured to engage a portion of a surgical access device. The frame includes a storage compartment and an annulus defining a lumen that has a diameter at least as large as a diameter of an opening of the surgical access device. A receptacle is disposed within the storage compartment and is configured to house a surgical fastener.

Abstract: A surgical access device includes a seal assembly, an upper housing portion, a lower housing portion, and a tubular member. The seal assembly has an instrument seal and is coupled to the upper housing portion. A first valve is partially disposed in an upper chamber of the upper housing portion and a second valve is partially disposed in a lower chamber of the lower housing portion. A valve assembly extends from the upper housing portion and is in fluid communication with the upper chamber. A source of insufflation fluid is attachable to the valve assembly.

Abstract: An endoscopic surgical instrument includes an elongated shaft and a pair of elongated arms extending through the shaft. The arms have a distal end portion configured to grasp tissue therebetween. The distal end portion of at least one of the arms is equipped with a sensor for sensing a property of the tissue.

Abstract: An evacuation adapter for use with a surgical access device includes a distal section selectively engageable with a proximal section. The distal section and the proximal section each include a base, an outer ring, and an inner ring. Each base defines a central opening. Each outer ring defines at least one opening. Each inner ring defines at least one opening. The outer ring of the proximal section includes a port. The proximal section is rotatable relative to the distal section between a first position where fluid is able to flow from the central opening of the distal section through the port, and a second position where fluid is blocked from flowing from the central opening of the distal section through the port.

Abstract: A ligation clip includes a first jaw, a second jaw, and a hinge. The first jaw has a body having an inner surface defining a first clamping surface and an outer surface. The second jaw has a body having an inner surface defining a second clamping surface and an outer surface. The hinge is integrally formed with the first and second jaws and includes an inner hinge portion and an outer hinge portion. The inner hinge portion has an inner surface that is contiguous with the first and second clamping surfaces of the first and second jaws, and an outer surface. The inner surface of the inner hinge portion is defined by a plurality of curved sections. The hinge is configured to facilitate pivotal movement of the first jaw in relation to the second jaw between an open position and a clamped position.

Abstract: A tissue specimen retrieval device includes a first shaft having a pair of slots defined in a distal end thereof and a pair of windows defined proximally of the pair of respective slots. A second shaft is included having a bag brim attached thereto, the second shaft telescopically movable within the first shaft between a retracted position, wherein the bag brim is disposed within the first shaft and a partially deployed position wherein the bag brim partially deploys from the first shaft forming an enclosure for supporting the tissue bag thereon. A pair of hook members is included each having an arm, a first end engaged to the bag brim and a free end including a hook at a distal end thereof. Upon deployment, the hook of each hook member engages a respective window allowing each respective arm to pivot outwardly within respective slots to fully deploy the bag brim.

Abstract: A clip applier includes an outer tube, an actuation member, and an end effector. The actuation member has a distal portion including a cam member. The end effector includes a first jaw and a second jaw. Each of the first and second jaws includes a proximal portion that defines a cam slot. The cam member of the actuation member is operatively engaged with the cam slots of the first and second jaws such that movement of the actuation member from the first position to the second position causes movement of the end effector from an intermediate position to the open position and subsequently to the clamped position.

Abstract: A ligation clip removal device includes an elongate body, a tool assembly, and a drive member. The tool assembly is supported on a distal portion of the elongate body and includes a first jaw and a second jaw pivotably supported in relation to the first jaw between an open position and a clamped position. Each of the first and second jaws includes a clip engagement surface that defines a recess having a longitudinal portion and a first transverse portion that intersects the longitudinal portion. The longitudinal portions of the recesses are configured to receive a leg of a ligation clip and the first transverse portion of the recess is configured to receive a portion of a boss of the ligation clip. The drive member is engaged with and movable in relation to the tool assembly to move the first and second jaws between the open and clamped positions.

Abstract: A device for furling a tissue specimen retrieval bag includes a housing supporting a spindle assembly therein, the spindle assembly including a drive shaft having a proximal end, a distal end, and a gear disposed therebetween. An activation switch is pivotably coupled to the housing and is configured for selective, operable engagement with the gear. The activation switch is selectively positionable relative to the gear between a first position wherein the gear and drive shaft are locked from rotation in a first direction and a second position wherein the gear and drive shaft are free to rotate in the first direction. An elongated shaft is operably coupled to the distal end of the drive shaft and is configured for rotation therewith. A biasing element is configured to provide a rotational load to the drive shaft.