Syringe

Details Syringe Syringe

2006-06-06

2006-06-06

Lucchesi, Nicholas D. (Department: 3763)

Surgery

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

Treating material introduced into or removed from body...

C604S240000, C604S187000, C604S228000, C604S218000

Reexamination Certificate

active

07056301

ABSTRACT:
A syringe, on which a needle member is mounted, includes a barrel, a plunger and a stopper. The barrel has a chamber, a stop portion adjacent to the needle member, a lock portion on a wall of the chamber and a needle mount. The plunger has a lock device and an operation portion for operation. A stopper has a stopper body to be squeezed into the chamber of the barrel for movement, a lock flange on the stopper body to be elastically deformed and to be locked with the lock portion of the barrel. The lock device is provided to the stopper body to be connected to the lock device of the plunger that connects the stopper to the plunger to move together. While the plunger is drawn, the lock device of the plunger or the stopper is broken and the stopper is restricted in the barrel.

REFERENCES:
patent: 6267749 (2001-07-01), Miklos et al.
patent: 6361525 (2002-03-01), Capes et al.
patent: 6391008 (2002-05-01), Tsai
patent: 6752784 (2004-06-01), Tsai
patent: 2002/0193737 (2002-12-01), Popovsky
patent: 2004/0024357 (2004-02-01), Pelkey et al.
patent: 2004/0049160 (2004-03-01), Hsieh et al.
patent: 2004/0153037 (2004-08-01), Huang

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