Disposable hypodermic syringe

Details Disposable hypodermic syringe Disposable hypodermic syringe

1992-04-16

1992-12-15

Rosenbaum, C. Fred

Surgery

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

Treating material introduced into or removed from body...

604195, 604220, A61M 500

Patent

active

051713004

ABSTRACT:
A syringe and needle assembly having a piston that is formed to engage and retract the needle assembly into the syringe barrel. The piston includes a spring member that is elastically deformed by the attachment of the piston to the needle assembly. The spring member causes the needle assembly to be spring biased into a canted position so that, once retracted into the syringe barrel, the needle assembly cants to an inoperable position.

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patent: 4986813 (1991-01-01), Blake et al.
patent: 5030208 (1991-07-01), Novacek et al.
patent: 5066281 (1991-11-01), Stevenson-Michener

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