Safety disposable syringe

Details Safety disposable syringe Safety disposable syringe

2007-11-16

2010-11-02

Sirmons, Kevin C (Department: 3767)

Surgery

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

Treating material introduced into or removed from body...

C604S110000, C604S195000

Reexamination Certificate

active

07824381

ABSTRACT:
A safety disposable syringe includes: a barrel; a plunger extending into the barrel; a piston mounted on the plunger and formed with a first engaging member; and a needle seat extending fittingly into the barrel and having a front end disposed outwardly of the barrel, and a rear end disposed in the barrel and having a rear end face facing toward the piston. The needle seat defines a fluid passage extending through the rear end face of the rear end of the needle seat. The needle seat is formed with a second engaging member. The fluid passage has a terminating end terminated at the rear end face of the rear end of the needle seat. The second engaging member has a terminating end terminated at the rear end face of the rear end of the needle seat and spaced apart from the first terminating end of the fluid passage.

REFERENCES:
patent: 5533975 (1996-07-01), Lu
patent: 2005/0203458 (2005-09-01), Shih
patent: 2007/0179442 (2007-08-01), Shue et al.
patent: 0 442 260 (1991-01-01), None
patent: 1 260 242 (2001-02-01), None
European Search Report for European Application No. 08253734.1: Mar. 16, 2009.

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