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Endoscopic ligating device

  • US 5,144,961 A
  • Filed: 07/11/1991
  • Issued: 09/08/1992
  • Est. Priority Date: 07/11/1991
  • Status: Expired due to Term
First Claim
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1. A method of ligating a vessel endoscopically, comprising the steps of:

  • a) providing an endoscopic ligating device, said device having a surgical needle, a tube, and a filamentary strand attached at its distal end to the surgical needle, and slideably engaged at its proximal end about said tube with a partially tightened knot;

    b) passing said surgical needle down through a trocar into a body cavity wherein the desired ligation is to occur;

    c) looping said needle around said vessel;

    d) passing said surgical needle up through said trocar until said needle exits said trocar;

    e) removing said needle from said filimentary strand;

    f) inserting said strand into the distal end of said tube and passing said strand up through said tube until a portion of said strand protrudes from the proximal end of said tube;

    g) sliding said partially tightened knot distally on the tube until said partially tightened knot disengages from said tube and is engaged about said filamentary strand;

    h) tightening said partially tightened knot about said strand so as to form a fully tightened knot; and

    i) sliding said fully tightened knot distally on said strand until said fully tightened knot firmly engages and ligates said vessel.

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