Hypodermic syringe

Details Hypodermic syringe Hypodermic syringe

1988-12-06

1990-02-13

Yasko, John D.

Surgery

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

Treating material introduced into or removed from body...

604263, A61M 532

Patent

active

049003119

ABSTRACT:
A hypodermic syringe has a needle guard of elliptical cross section which is releasable by compressing the needle guard along its major axis, and, which can be moved between an extended and a retracted position when released. Optionally, a compression spring is provided for urging the needle guard towards an extended position.

REFERENCES:
patent: 4664654 (1987-05-01), Strauss
patent: 4795432 (1989-01-01), Karczmer
patent: 4813940 (1989-03-01), Parry

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