Knot pusher for videoendoscopic surgery

Details Knot pusher for videoendoscopic surgery Knot pusher for videoendoscopic surgery

1993-04-15

1995-03-14

Pellegrino, Stephen C.

Surgery

Instruments

Suture, ligature, elastic band or clip applier

606139, 289 17, A61B 1700

Patent

active

053973267

ABSTRACT:
Four embodiments of videoendoscopic knot pushers are shown having a main body and first and second fingers whose ends are shaped in a smooth rounded shape to guide a suture and knot into position with a patient's body. The finger members define either a "V" shaped cleft or a smooth walled channel between them for grasping the suture. One embodiment of the invention has second and third channels for retaining the suture in the fingers even during retraction of the main body. Another embodiment of the present invention has a spiral channel formed "upstream" of the finger members for retaining control of the suture even if the suture slips out of the grasp of the channel formed by the first and second finger members.

REFERENCES:
patent: 671337 (1901-04-01), Gibson
patent: 2131321 (1938-09-01), Hart
patent: 2595086 (1952-04-01), Larzelere
patent: 4819640 (1989-04-01), Narayanan et al.
patent: 5176691 (1993-01-01), Pierce
patent: 5192287 (1993-03-01), Fournier et al.
patent: 5201744 (1993-04-01), Jones
patent: 5234444 (1993-08-01), Christoudias
patent: 5257637 (1993-11-01), El Gazayerli
patent: 5269791 (1993-12-01), Mayzels et al.

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