Surgical purse string suturing instrument and method

Details Surgical purse string suturing instrument and method Surgical purse string suturing instrument and method

1995-05-01

1997-07-22

Schmidt, Jeffrey A.

Surgery

Instruments

Suture, ligature, elastic band or clip applier

606148, 606151, A61B 1700

Patent

active

056499388

ABSTRACT:
A purse string suturing instrument is provided for quickly and effectively forming a purse string suture in tubular tissue through relatively small cannulas placed in the body. The instrument includes a pair of elongated jaws, each having a row of spaced-apart uniform-size teeth. The jaws are hinged together at one end to clamp the tubular tissue therebetween. The two rows of teeth are offset with respect to each other so that they mesh when the jaws are closed. The jaws are inserted through a cannula and positioned to close around the tissue to be sutured. The rows of teeth then bend the tissue between them into a wavelike configuration. A pair of needles, the ends of each being connected to a single length of suture, is then inserted through passageways provided through the teeth. An encircling series of stitches are thus formed in the wall of the tubular tissue to create a purse string suture. The needles and the suturing instrument are then withdrawn through the cannula. The tubular tissue can be snugly fitted over an anastomosis ring or the like by drawing and tying the purse string suture.

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