Needle guard with visual confirmation of lock

Details Needle guard with visual confirmation of lock Needle guard with visual confirmation of lock

1988-08-19

1990-07-03

Rosenbaum, C. Fred

Surgery

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

Treating material introduced into or removed from body...

604198, 128917, A61M 532

Patent

active

049387456

ABSTRACT:
A non-rotatable axially translatable anterior guard includes a detachable tab for creating an aperture to exteriorize and expose, upon posterior translation along a single or double ended needle supporting hub, the anterior end of the needle ready for use. Upon anterior translation of the anterior guard, it lockingly engages the hub to retain the needle therein. An aperture extends through the hub, which aperture is uncovered only upon locking engagement of the guard, to provide a visually perceivable unambiguous indication that the guard is locked to envelope the anterior end of the needle after use.

REFERENCES:
patent: 4693708 (1987-09-01), Wanderer et al.
patent: 4702738 (1987-10-01), Spencer
patent: 4731059 (1988-03-01), Wanderer et al.
patent: 4782841 (1988-11-01), Lopez
patent: 4795432 (1989-01-01), Karczmer
patent: 4813940 (1989-03-01), Parry

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