Arthroscopic sheath with quick coupling socket

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

1990-05-18

1992-02-11

Reese, Randolph A.

Pipe joints or couplings

Irrigation type

285 27, 2851331, 604165, 604166, F16L 5500

Patent

active

050870807

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 bias means to urge the actuating members toward the open end of the housing causes the pins to slide radially inwardly.

REFERENCES:
patent: 965286 (1910-07-01), Ferguson
patent: 1213001 (1917-01-01), Philips
patent: 2475635 (1949-12-01), Parsons
patent: 3399674 (1968-09-01), Pannier et al.
patent: 3487834 (1970-01-01), Smith et al.
patent: 3994287 (1976-11-01), Turp et al.
patent: 4016879 (1977-04-01), Mellor
patent: 4249541 (1981-02-01), Pratt
patent: 4601710 (1986-07-01), Moll
patent: 4627841 (1986-12-01), Dorr

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