Endoscopic instrument lock

Details Endoscopic instrument lock Endoscopic instrument lock

1996-05-14

1997-09-02

Rimell, Sam

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

604170, A61M 500

Patent

active

056626134

ABSTRACT:
A locking device for use in a trocar inserted into a body cavity. The locking device includes an enlarged head that may be easily grasped and recognized by a surgeon during complicated surgery and an elongated shaft portion secured to the enlarged head, which is conformable to a gas opening in the trocar for quick and easy insertion into the gas opening, by turning the enlarged head. The locking device has coarse self-tapping threads formed only on an upper portion of the elongated shaft, adjacent to the enlarged head to enable the locking device to be quickly turned into a locking position for any type of instrument passing through the trocar into the body cavity. The outer and of the elongated shaft contacting the instrument must be blunt and soft to prevent damaging or marring the instrument against which it is pressed.

REFERENCES:
patent: 4122836 (1978-10-01), Burnett
patent: 4414974 (1983-11-01), Dotson
patent: 4863430 (1989-09-01), Klyle
patent: 5057085 (1991-10-01), Kopans
patent: 5135502 (1992-08-01), Koenig, Jr.
patent: 5256149 (1993-10-01), Banik et al.
patent: 5312375 (1994-05-01), Gurmarnik
patent: 5330492 (1994-07-01), Haugen
patent: 5545200 (1996-08-01), West

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