Device and method for applying large-diameter ligating loop

Surgery – Instruments – Suture – ligature – elastic band or clip applier

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Details

2423886, 242389, A61B 1712

Patent

active

054892880

ABSTRACT:
A suture applying device comprises an elongate shaft having a length of suture therein. A pre-tied loop suture is held at the distal end of the shaft with a free end of the suture being attached within a handle secured to the proximal end of the shaft. In a first embodiment, a pulley and puller assembly is provided for closing the pre-tied suture loop, where the pulley permits a greater length of suture to be taken in than is traveled by the puller. In a second embodiment, a pair of opposed jaws are slidably mounted within the handle for selectively engaging and gripping the free end of the suture. In this way, an arbitrarily large length of suture may be taken in by pulling on the free end of the suture in successive strokes. The device further includes a sheath slidably disposed on the shaft for protecting the suture during introduction. The sheath automatically retracts when the device is introduced through a trocar sleeve or cannula, thereby exposing the suture loop.

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patent: 5334199 (1994-08-01), Yoon

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