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Suture clip applier
| Details |
Inventors: Kolesa, Michael S.; Mastri, Dominick L.; Young, Wayne P.; Bolanos, Henry;
Assignee: United States Surgical Corporation (Norwalk, CT)
Primary Examiner: Jackson; Gary
Assistant Examiner:
Attorney, Agent or Firm:
An apparatus for applying a suture clip to a suture includes (a) an endoscopic portion having at least one slot to position a suture transversely to the longitudinal axis of the endoscopic portion, a camming surface for closing a clip onto a suture positioned within the suture receiving means, a pusher for advancing a suture clip into the camming surface, and a tubular housing; and (b) a handle portion including a handle portion housing, and an actuation mechanism for actuating the pusher. |
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DETAILED DESCRIPTION An apparatus is provided herein for applying a suture clip to a suture, which comprises (a) an endoscopic portion having suture receiving means to position a suture transversely to the longitudinal axis of the endoscopic portion, closing means for closing a clip onto a suture positioned within the suture receiving means, pusher means for advancing a suture clip into the closing means, and a tubular housing for enclosing the closing means and the pusher means; and (b) a handle portion including a handle portion housing, and actuation means for actuating the pusher means.
The endoscopic portion includes storing means for storing a plurality of suture clips in a longitudinally extending linear array.
The storing means includes at least one longitudinal guide slot in the inner surface of the tubular housing for slidably receiving the suture clips, a longitudinally extending track member for supporting the array of suture clips and biasing means for distally biasing the linear array of suture clips.
The biasing means can include a constant force spring and a slidable member, the constant force spring having a distal end fixedly attached to the interior of the tubular housing and a coiled proximal portion, and the slidable member including means to receive the coiled proximal portion of the constant force spring.
The suture receiving means can comprise one or more slots positioned at the distal end of the tubular housing for receiving a suture.
The slot preferably has a distal portion which is inclined with respect to the longitudinal axis of the endoscopic portion and a proximal portion which is aligned with the longitudinal axis of the endoscopic portion.
The closing means comprises a camming surface which is inclined with respect to the longitudinal axis of the endoscopic portion.
The pusher means comprises an elongated member slidably mounted within the tubular housing and longitudinally movable between a proximal position and a distal position, a leaf spring member having an angled portion for contacting the proximal end of a suture clip, the leaf spring being movable between a first position wherein the angled portion is in position to contact the proximal end of a suture clip and a second position wherein the angled portion is out of alignment with the suture clip, the angled portion being biased to the first position and movable to the second position when the elongated member is moved from its distal position to its proximal position
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