Non-reusable syringe with removable plunger usable as a needle g

Details Non-reusable syringe with removable plunger usable as a needle g Non-reusable syringe with removable plunger usable as a needle g

1993-04-02

1994-10-04

Yasko, John D.

Surgery

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

Treating material introduced into or removed from body...

604192, A61M 500

Patent

active

053522028

ABSTRACT:
A disposable hypodermic syringe having a barrel with an adapter on one end for attachment of a needle, and a piston and plunger reciprocable in the barrel. The plunger has a longitudinally extending hollow bore therein and is removable from the barrel and lockable on the adapter in enclosing relationship to the needle to serve as a needle guard. In one form of the invention, the piston and plunger are automatically separable upon use to prevent reuse of the syringe.

REFERENCES:
patent: 2578394 (1951-12-01), Blackman
patent: 2725057 (1955-11-01), Lockhart
patent: 5084027 (1992-01-01), Bernard
patent: 5149323 (1992-09-01), Colonna
patent: 5171303 (1992-12-01), DeCamp

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