Safety needle instrument having a triggered safety member

Details Safety needle instrument having a triggered safety member Safety needle instrument having a triggered safety member

1993-09-02

1996-11-26

Tucker, Guy V.

Surgery

Instruments

Cutting, puncturing or piercing

606165, 606170, A61M 500

Patent

active

055780539

ABSTRACT:
A safety needle instrument for penetrating a wall of an anatomical cavity to gain access to the anatomical cavity includes a needle having a sharp distal end for penetrating the anatomical cavity wall, a distally biased safety member having a distal end movable between an extended position protecting the sharp distal end of the needle and a retracted position exposing the sharp distal end of the needle, a handle for manually moving the safety member to the retracted position and a locking and releasing mechanism for locking the safety member in the retracted position and releasing the safety member to return to the extended position in response to distal movement of an operating member upon penetration of the safety needle instrument into the anatomical cavity, the operating member being preferably carried by the needle.

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