Medical instrument with automatic shut-off valve

Details Medical instrument with automatic shut-off valve Medical instrument with automatic shut-off valve

1993-10-12

1994-12-20

Apley, Richard J.

Surgery

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

Treating material introduced into or removed from body...

604 33, A61M 500

Patent

active

053742532

ABSTRACT:
A medical instrument such as an endoscopic or laparoscopic instrument comprising a tubular sheath assembly through which a variety of surgical tools may be axially inserted to perform desired medical procedures. The sheath assembly includes a cylindrical barrel having an irrigation fluid passageway and valve means associated with the passageway for automatically opening and closing the passageway in response to the insertion and removal of a tool from the sheath.

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patent: 5209219 (1993-05-01), Hollobaugh
patent: 5248298 (1993-09-01), Bedi et al.

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