Trocar

Details Trocar Trocar

1974-07-01

1976-11-30

Pace, Channing L.

Surgery

Truss

Perineal

1282144, 128347, 277188R, A61B 106, A61B 1734, A61M 532

Patent

active

039942872

ABSTRACT:
The disclosure herein describes a trocar particularly intended for use in laparoscopic tubal cauterization and formed of: a puncturing sharp-pointed instrument, a cannula with a flange at one end thereof, a flexible insulating ring which is received in the flange recess bore, and a collar secured in the flange bore. The collar retains the ring in the flange while allowing it to flex as the puncturing instrument is introduced in the cannula or disassociated therefrom. The puncturing instrument, cannula and collar are made of inexpensive bio-compatible plastic materials while the ring is made of rubber; consequently, the trocar is disposable after use.

REFERENCES:
patent: 737293 (1903-08-01), Summerfeldt
patent: 2438457 (1948-03-01), Schlosser
patent: 2743119 (1956-04-01), Covert et al.
patent: 2746450 (1956-05-01), Lady et al.
patent: 2766082 (1956-10-01), Ritchey
patent: 3127894 (1964-04-01), Smith
patent: 3313299 (1967-04-01), Spademan
patent: 3459189 (1969-08-01), Alley et al.
patent: 3585996 (1971-06-01), Reynolds et al.
patent: 3653388 (1972-04-01), Tenckhoff
patent: 3717151 (1973-02-01), Collett
patent: 3724922 (1973-04-01), Jones
patent: 3760797 (1973-09-01), Stauffer
patent: 3763860 (1973-10-01), Clarke

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