Safety syringe

Details Safety syringe Safety syringe

2005-06-28

2005-06-28

Casler, Brian L. (Department: 3763)

Surgery

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

Treating material introduced into or removed from body...

C604S197000, C604S198000, C128S919000

Reexamination Certificate

active

06911018

ABSTRACT:
A hypodermic syringe provides a simple mechanism for manually retracting its needle into the syringe after injection has been completed. The syringe preferably has an elastomeric barrel to exert a radial bias to seal on a retractable needle carrier and the plunger. Attachment components on the plunger and needle carrier engage such that withdrawal of the plunger releases the needle carrier for withdrawal into the syringe barrel.

REFERENCES:
patent: 5163907 (1992-11-01), Szuszkiewicz
patent: 5205824 (1993-04-01), Mazur
patent: 5267962 (1993-12-01), Jenson
patent: 5380285 (1995-01-01), Jenson
patent: 5540660 (1996-07-01), Jenson
patent: 6432082 (2002-08-01), Chen

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