Pre-tied knot for surgical use and method of using same

Details Pre-tied knot for surgical use and method of using same Pre-tied knot for surgical use and method of using same

1993-08-02

1995-09-12

Pellegrino, Stephen C.

Surgery

Instruments

Suture, ligature, elastic band or clip applier

606139, 289 12, 289 181, A61B 1700

Patent

active

054493676

ABSTRACT:
A pre-tied suturing knot for use with a surgical needle for endoscopic procedures and the method for making and using the pre-tied knot for tying the suture in situ. The pre-tied knot is tied from suturing thread and surrounds the shaft of a needle holder or grasper. A needle holder is placed on the U-shaped loop and the U-shaped loop or bight is pulled back upon itself to create a first loop, a second loop and two loopholes. The distal end of the suture thread is threaded over the proximal end and through the loopholes creating the nascent knot. The pre-tied knot is utilized after the tissue has been pierced with the needle. Thereafter, the needle holder is withdrawn from the suturing site, thereby pulling the suture thread against and through the tissue edges and moving the pre-tied knot along the shaft of the needle holder over the clamp and into position near the suturing site. A method for using the pre-tied knot wherein the proximal end of the suturing thread which can have the needle is drawn away from the suturing site thereby emplacing the knot at the suturing site. The knot itself has loops with bights interconnecting the loops and forming loopholes inside the loops.

REFERENCES:
patent: 879758 (1970-06-01), Foster
patent: 1757129 (1930-06-01), McClure
patent: 3580256 (1991-05-01), Wilkinson
patent: 4760848 (1988-08-01), Hasson
patent: 5037433 (1991-08-01), Wilk et al.
patent: 5284485 (1994-02-01), Kammerer et al.
Graumont and Hensel, Encyclopedia of Knots & Fancy Ropework, Cornell Maritime Press, New York 1945, pp. Preface, 12, 13, 15, 18, 20, 21.

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