124 results about "Ligation clip" patented technology

A surgical ligation clip for double ligating a vessel, duct or other fluid carrying structure and a method for double ligating such structure.

The invention discloses a pair of clamping applying pincers for surgical ligation. The clamping applying pincers comprise a tubular shell, a pair of pincers and a magazine, wherein a guide groove is formed in the tubular shell; the magazine is arranged in the guide groove and can move left and right along the guide groove; the pincers comprise an upper pincer opening, a lower pincer opening, an upper pincer opening rotating shaft and a lower pincer opening rotating shaft; the upper pincer opening is fixed to the guide groove through the upper pincer opening rotating shaft and can rotate along the upper pincer opening rotating shaft; the lower pincer opening is fixed to the guide groove through the lower pincer opening rotating shaft and can rotate along the lower pincer opening rotating shaft; the upper pincer opening rotating shaft and the lower pincer opening rotating shaft are respectively arranged on the upper side and the lower side of the magazine; the upper side and the lower side correspond to each other; the upper pincer opening rotating shaft and the lower pincer opening rotating shaft can rotate to the opposite direction when the magazine moves left and right. The clamping applying pincers for surgical ligation provided by the invention are simple in structure and convenient to use, and can clamp and use a ligating clip.

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.

A clip applying apparatus is provided which includes a jaw mechanism supported within and extending from the distal end of a body portion of the apparatus. The jaw mechanism includes a proximal body portion, first and second shank members and first and second jaw members. The first and second shank members extend distally from the proximal body portion of the jaw mechanism. The first and second jaw members are supported on the distal end of the first and second shank members and are configured to receive a ligation clip therebetween. In a particularly useful embodiment, each jaw is curved upwardly towards its distal end along the longitudinal axis of the body portion and has a radius of curvature “r” of between about 0.5 inch and about 0.9 inch. In a particularly useful embodiment, r is about 0.7 inch. A method for accessing and ligating tissue is also disclosed wherein the clip applying apparatus described above is positioned adjacent tissue to be ligated and the jaws are moved between the tissue to be ligated and surrounding tissue to manipulate and / or reposition the tissue. The jaw mechanism can be rotated to position the tissue to be ligated between the first and second jaws to ligate and / or crimp a ligation clip about the tissue to be ligated.

A surgical ligation clip capable of remote deployment through a cannula to engage an anatomical structure.

An applier for ligation clip is provided. The applier includes: an outer tube having mounting bosses; a pair of jaws pivotally connected to the mounting bosses, the jaws having actuating projections; a feed tube located in the outer tube and configured to move axially within the outer tube, the feed tube having actuating slots in which the actuating projections are located; a clip lock arm located in the outer tube and configured to move axially within the outer tube; and a clip advance arm located in the outer tube and configured to move axially within the outer tube, the clip advance arm having flexible pinchers at one end of the clip advance arm. A method of applying a ligation clip is also disclosed.

A surgical ligation clip and method of operation are described and include a top jaw member and bottom jaw member joined at a hinge section for movement about the hinge section. The hinge section can be offset or space laterally from one or both of the jaw members. Teeth arrangements and distributions are also described, as well as closing and jaw ends engagement configurations, for example for more easily engaging / piercing connective or other tissue.

A narrow profile surgical ligation clip has two legs with clamping surfaces joined by a hinge near the proximal ends, allowing the clip to reversibly open and close. A locking mechanism is proximal to the hinge to bias or lock the clip closed, including first and second jaw structures spaced on opposite sides of a longitudinal axis of the clip thereby defining a locking space therebetween. In one embodiment, a wedge or buttress body moves by application of an external force applied to a proximal end of the clip towards the hinge to move into the locking space such that one or more outer surfaces or projections of portions of the body fit into or abut against complementary surfaces or other parts of the locking mechanism or clip assembly to bias or lock the clip in a closed position and provide additional closing force to the inner clamping surfaces.