Retracting device for a safety syringe

Details Retracting device for a safety syringe Retracting device for a safety syringe

2005-07-26

2005-07-26

Lucchesi, Nicholas D. (Department: 3763)

Surgery

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

Treating material introduced into or removed from body...

C604S195000, C604S181000, C604S225000

Reexamination Certificate

active

06921382

ABSTRACT:
A safety syringe has a barrel, a needle hub movably received in the barrel and having a hollow cone with a flange formed on an inner periphery of the hollow cone and a plunger with a hook formed to correspond to the flange of the needle hub such that when the hook engages with the flange of the needle hub, the needle hub is ready to be pulled back into the barrel by a rearward movement of the plunger so that the syringe is ready to be disposed of safely.

REFERENCES:
patent: 5575774 (1996-11-01), Chen
patent: 5899887 (1999-05-01), Liu
patent: 6033385 (2000-03-01), Liu
patent: 6117113 (2000-09-01), Novacek et al.
patent: 6251095 (2001-06-01), Liu
patent: 6461328 (2002-10-01), Wang et al.
patent: 6488656 (2002-12-01), Wu
patent: 6530903 (2003-03-01), Wang et al.
patent: 6592555 (2003-07-01), Wen-Pi et al.

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