Christoudias knot--transfer method and instrument

Details Christoudias knot--transfer method and instrument Christoudias knot--transfer method and instrument

1991-12-06

1993-08-10

Pellegrino, Stephen C.

Surgery

Instruments

Suture, ligature, elastic band or clip applier

606 1, 606139, 128898, A61B 1700

Patent

active

052344444

ABSTRACT:
The invention comprises an elongated cylindrical instrument and a method for extracorporeal knot tying in endoscopic surgery. The Christoudias knot-transfer instrument includes a solid stem of substantially cylindrical cross section with two diametrically opposite longitudinal grooves along its outer surface. These grooves converge at an angle of 100 degrees towards the axis of the cylinder at the head of the instrument, and at an angle of 150 degrees towards the axis of the cylinder at the tail of the instrument. In accordance with the method herein, this instrument pushes a knot which is tied extracorporeally with its head, through a port and into the tissues to be ligated or on top of another knot. The ends of the surgical thread slide along the grooves. Many knots can be tied and delivered to said tissues in an extremely expeditious manner.

REFERENCES:
patent: 3871379 (1975-03-01), Clarke
patent: 5084058 (1992-01-01), Li

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