Arthroscopic sheath with quick coupling socket

Details Arthroscopic sheath with quick coupling socket Arthroscopic sheath with quick coupling socket

1989-02-02

1990-08-28

Reese, Randolph A.

Pipe joints or couplings

Essential catch

With manipulator

285277, F16L 3718

Patent

active

049519778

ABSTRACT:
A tubular arthroscopic sheath having improved irrigating fluid flow characteristics and having a quick coupling socket adapted to quickly connect to and disconnect from an associated arthroscopic tool provided with a mateable, generally cylindrical plug member. The fluid flow is enhanced by centering projections on the sheath interior and by turbulence minimizing fluid ports. The socket comprises an open ended cylindrical housing provided with a plurality of annularly spaced, cylindrical locking pins slidable within throughbores in the housing wall, the throughbores extending radially from the housing axis and axially skewed with respect thereto. Each pin is provided with a notch in its cylindrical surface adjacent the most radially outward end of the pin. A pair of slidable coaxial cylindrical actuating members is adapted to engage all the notches and capture the pins. Moving the slidable actuating members away from the open end of the housing causes the pins to slide radially outwardly in the throughbores. Allowing a biasing spring to urge the actuating member toward the open end of the housing causes the pins to slide radially inwardly.

REFERENCES:
patent: 2069434 (1937-02-01), Eastman
patent: 2092116 (1937-09-01), Hansen
patent: 2344740 (1944-03-01), Shaff
patent: 3188123 (1965-06-01), Hansen
patent: 3222088 (1965-12-01), Haeber
patent: 3252721 (1966-05-01), Weasler
patent: 3468562 (1969-09-01), Ho Chow et al.
patent: 3666300 (1972-05-01), Russell

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