Shielded hypodermic syringe

Details Shielded hypodermic syringe Shielded hypodermic syringe

1982-04-15

1984-01-10

Yasko, John D.

Surgery

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

Treating material introduced into or removed from body...

604263, A61M 500

Patent

active

044251203

ABSTRACT:
A hypodermic syringe comprising a barrel, a needle coupled to the barrel and terminating in a point and a needle guard mounted on the barrel for movement between an extended position in which the guard shields the needle and a retracted position in which the guard does not shield the needle. The guard can be releasably locked in the retracted position and locked in the extended position. Locking of the guard is accomplished by a track on the internal surface of the guard and track-engaging members on the barrel.

REFERENCES:
patent: 2571653 (1951-10-01), Bastien
patent: 3780734 (1973-12-01), Wulff
patent: 4170993 (1979-10-01), Alvarez

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