Laparoscopic cannula

Details Laparoscopic cannula Laparoscopic cannula

1977-02-24

1978-09-12

Michell, Robert W.

Surgery

Truss

Perineal

12830311, A61B 100, A61B 1736

Patent

active

041129326

ABSTRACT:
A cannula for surgical use comprising a base member having a bore therethrough, a tubular member bounding the bore and extending outwardly from a first side of the base member, and a turret member connected to a second side of the base member and having first and second aperture therein, the turret member being movable relative to the base member to selectively place a selected aperture in or out of alignment with the bore to open or close a passageway through the instrument.

REFERENCES:
patent: 3747812 (1973-07-01), Karman et al.
patent: 3957082 (1976-05-01), Fuson et al.

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