Disposable safety syringe including an automatically...

Details Disposable safety syringe including an automatically... Disposable safety syringe including an automatically...

2002-12-11

2008-07-01

Sirmons, Kevin C. (Department: 3767)

Surgery

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

Treating material introduced into or removed from body...

C604S195000

Reexamination Certificate

active

07393340

ABSTRACT:
The present invention relates to a disposable safety syringe (1) including an automatically retractable needle (12) for preventing said syringe from being reused, comprising a cylindric body (82) defining, at one end thereof, a needle coupling end-piece (7) and being opened at the other end portion thereof for introducing thereinto a piston (4) having a scaling gasket (5). The feature of the invention is that on said piston are provided engaging means (23, 24) for engaging and retracting the needle (12) after the delivering of the injection liquid.

REFERENCES:
patent: 5378240 (1995-01-01), Curie et al.
patent: 5389076 (1995-02-01), Shaw
patent: 5395337 (1995-03-01), Clemens et al.
patent: 5395346 (1995-03-01), Maggioni
patent: 6017325 (2000-01-01), Yerfino et al.
patent: 6632198 (2003-10-01), Caizza
patent: 2004/0147876 (2004-07-01), Maggioni
patent: 0 505 330 (1992-09-01), None
patent: 11-342200 (1999-12-01), None

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