Abstract: An elongated jaw assembly for pinching closed a medical clip in an elongated medical clip-applying device. The assembly has an elongated bifurcated set of jaw members on a set of jaw arms. The assembly has a first end and a second end with a curvilinear rail arranged on an edge of each of the arms. A movable cinch member is slidably disposed on the jaw assembly to effect both closure and spreading apart of said jaw members on a tissue pinching medical clip supported therebetween.

Abstract: A surgical clip includes a connecting member having a two ends and a pair of legs. Each leg extends from one end of the connecting member. A generally diamond-shaped pattern is formed on a portion of the inner surface of at least one of the connecting member and the pair of legs. The generally diamond-shaped pattern is formed as the result of generally perpendicular diagonal grooves.

Abstract: A medical clip dispenser apparatus for the pinching of a medical clip or staple about a portion of a mammalian body tissue. The apparatus comprises an elongated support beam having a distal end with a stationary lower housing thereon, and a distally movable hollow cinch slidably disposed on the lower housing. The cinch has a portion of a pair of closable jaws squeezably arranged therewithin. An elongated pusher has a generally cross-shaped pusher member on a distal end thereof in slidable engagement with the jaws, to keep the jaws apart from one another after a new clip has been pushed into position between the jaws.

Abstract: A ratchet release mechanism for a medical device. The release mechanism permits both a smooth and a stepped actuation of a grasper on a distal end of the medial device. The medical device has a fixed handle and a movable handle. The release mechanism comprises an elongated toothed plate arrangement supported in a release housing and an elongated smooth plate arranged adjacent the toothed plate arrangement in the release housing. The release housing is pivotably supported between the handles to permit the handles to move in a stepped or a smooth manner to effect actuation of the grasper.

Abstract: A laparoscopic assembly includes a body, an elongated shaft, and optionally, a removable or non-removable surgical tip. The body includes a casing manually manipulating tip actuating means, a tip actuating rod, a collet, a collet closer, and one or more collet detent members. The shaft is operably and removably gripped by the body and extends from the body to interconnect the body with a surgical tip. The collet closer is shaped and sized to, on tightening of the collet closet, radially compress the collet to grip the sheath. Each collet detent member is disposed in one collet radial bore, and is shaped and sized to permit only partial entry into the collet axial bored to engage the sheath depression during assembly, and be freely movable radially within the collet radial bore in response to urging inwardly by the tightening of the collet closer, or outwardly by the sheath depression wall when the collet closer is loosened.

Abstract: An elongated medical clip applying device having a hand holdable housing at a proximal end thereof and a barrel clip-dispenser at a distal end thereof is arranged for dispensing squeezable clips onto a mammalian tissue. The device includes a hollow inner sleeve arranged within the housing. The sleeve has a proximal end for receiving a clip feeder cartridge therein. A proximal bearing is slidably disposed about a proximal circumference of the inner sleeve. A trigger lever is attached to the housing, the trigger lever having a linkage bar thereon connected to a finger for moving the proximal bearing proximally and distally. A lock mechanism is arranged in the sleeve to deny a clip feeder cartridge entry into the sleeve when the proximal bearing is adjacent the lock mechanism.

Abstract: The present invention relates to a clip feeder arrangement for supportive receipt in a handle of a medical clip stapling gun, for the advancement of a plurality of clips seriatim by a trigger mechanism in the handle to a location between a pair of pincher jaws. A distalmost clip of the plurality of clips is advanced to the jaws prior to advancement of the remaining plurality of clips. The feeder arrangement comprises a U-shaped cartridge having a proximal end and a distal end, the cartridge containing the plurality of clips, a frame for supporting the cartridge and an elongated, cyclically movable feeder bar or pusher mechanism arranged beneath and enagable with the cartridge, for first advancing the distalmost clip in the cartridge to a location between the jaws and then subsequently advancing the remaining plurality of clips distally by a ladder pushed thereadjacent, both of the advancement motions occurring in a single distal advance of the feeder bar mechanism.

Abstract: The present invention relates to a clip feeder arrangement for supportive receipt in a handle of a medical clip stapling gun to permit the advancement of a plurality of clips seriatim by a trigger mechanism in the handle to a location between a pair of pincher jaws. A distalmost clip of that plurality of clips is being advanced to the jaws prior to advancement of the remaining plurality of clips. The feeder arrangement comprises a ladder arranged within a U-shaped cartridge having a proximal end and a distal end. The distalmost clip is moved distally away from the ladder by a clip feeder bar mechanism which is arranged for first advancing the distalmost clip in the cartridge to a location between the jaws. The remaining plurality of clips are then also advanced distally by the ladder, both of the advancement motions occurring in a single distal advance of the clip feeder bar mechanism.

Abstract: A laparoscopic instrument assembly for use with a removable tip. The shaft between the removable tip and the external, body or handle portion of the instrument includes a rod moving axially within a sheath to transmit the manipulation of the handle portion to actuate the tip. Both the sheath and the rod are removable from the handle for cleaning of the instrument. Thus, after use, the shaft may be readily disassembled from the handle, the shaft and handle portion sterilized, and the shaft and handle readily reassembled for reuse of the instrument. Alternatively, a non-removable tip may be provided as part of a shaft-tip unit.

Abstract: A microsurgical instrument especially for ocular surgery including a hub having an axis with an axial bore in the proximal end and being receivable of a piston. In the distal end the bore is receivable of a tube, the piston and the tube being coaxial with the axis of the hub. A piston with an internal axial bore is disposed in the bore of the hub and is reciprocally movable along the axis. A face is disposed at one end of the piston and is adapted to engage a driver to provide movement of the piston on the axis. A tube is disposed in the bore at the distal end of the hub and extends outwardly therefrom. A member is rotatably disposed in the tube and extends outwardly to adjacent the distal end of the tube and inwardly to adjacent to the bore in the piston. Operative parts of the microsurgical instrument are disposed on the distal ends of each of the tube and the member. The parts cooperate with each other to perform a surgical task.

Abstract: A surgical apparatus for performing a surgical procedure such as severing tissue in microsurgical operations. In the case of a cutting implement, the apparatus includes an elongated rigid housing having an inner wall and supporting therein first and second elongated shaft members. The first and second shaft members each have juxtaposed inner surfaces slidable relative to each other and outer surfaces terminating in corners which abut and are slidable relative to the inner tubular wall. The first shaft has a driven end and an active or operable cutting end having a first cutting edge disposed outside of the tubular housing. The second shaft has a fixed end and a cutting end with a second cutting edge also disposed outside of the tubular housing. Drive means are connected to the driven end of the first shaft for causing axial reciprocatory movement of the first cutting edge through a predetermined stroke distance to carry the first cutting edge past the second cutting edge to effect cutting action.