Double sleeve safety syringe

Details Double sleeve safety syringe Double sleeve safety syringe

1990-05-02

1991-03-12

Rosenbaum, C. Fred

Surgery

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

Treating material introduced into or removed from body...

604110, 604192, 604197, 604263, A61M 532

Patent

active

049989243

ABSTRACT:
An improved safety syringe is disclosed herein comprising a locating ring positioned on the distal end of a syringe barrel and a pair of first and second sleeves which interact with a projecting tab on the locating ring to movably retain the first sleeve in retracted and extended positions and wherein in the extended position one of the sleeves enclose the syringe needle in an irreversible locked arrangement.

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