Surgical knot pusher device and improved method of forming knots

Details Surgical knot pusher device and improved method of forming knots Surgical knot pusher device and improved method of forming knots

1994-10-11

1996-10-08

Jackson, Gary

Surgery

Instruments

Suture, ligature, elastic band or clip applier

606144, 606148, 289 17, A61B 1704

Patent

active

055626840

ABSTRACT:
A surgical knot pusher device comprises a thick-walled cannula or tube having a beveled elliptical face and a central channel for slidably receiving one end of a suture. The other end of the suture is slidably inserted in one of a pair of longitudinal grooves formed on the outer surface of the cannula which intersect the elliptical face at the opposite ends of its major axis. One of the longitudinal grooves extends along the longest portion of the cannula and the other longitudinal groove extends along the shortest portion of the of the cannula. As the knot pusher device is inserted into a surgical port, a knot formed in the suture is engaged by the beveled face and advanced toward a surgical site. A notch is formed at the proximal end of the cannula for receiving the end of the suture threaded into the central channel. A threading element comprising an elongated rod with a deformable loop is provided to thread the suture into the central channel of the cannula.

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