Surgery – Instruments – Suture – ligature – elastic band or clip applier
Patent
1993-07-09
1995-06-20
Pellegrino, Stephen C.
Surgery
Instruments
Suture, ligature, elastic band or clip applier
606139, 606151, 606207, A61B 1700
Patent
active
054257379
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. A single operating mechanism is provided to articulate the pair of jaws with respect to a longitudinal axis of the suturing instrument and actuate the jaws between an open position and a clamping position. The jaws are inserted through a cannula and positioned to close around the tissue to be sutured. The rows of teeth bend the tissue therebetween 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 The needles and the suturing instrument are then withdrawn through the cannula.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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Ahari Frederick F.
Allen William J.
Burbank John E.
Jessup George
Rabiner Robert A.
American Cyanamid Co.
Costello, Jr. C. F.
Pellegrino Stephen C.
Schmidt Jeffrey A.
Smith M. W.
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