Single use syringe having safety shield

Details Single use syringe having safety shield Single use syringe having safety shield

2008-06-17

2008-06-17

Desanto, Matthew F. (Department: 3763)

Surgery

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

Treating material introduced into or removed from body...

C604S263000, C604S192000

Reexamination Certificate

active

07387615

ABSTRACT:
A single use syringe assembly includes a barrel having a chamber for retaining fluid, an open proximal end and a distal end including an elongate tip extending distally therefrom having a passageway therethrough in fluid communication with the chamber. A needle cannula having a lumen therethrough is connected to the elongate tip so that the lumen is in fluid communication with the passageway. An elongate needle shield having a longitudinal opening therein is hingedly connected to the barrel. A needle shield is capable of pivoting from an open position or a closed needle protecting position. The plunger including an elongate body portion and a stopper is slidably positioned in fluid-tight engagement with the inside surface of the barrel. Structure is provided for locking the plunger in the barrel by applying distally directed force to the plunger after fluid has been delivered from the chamber.

REFERENCES:
patent: 5085640 (1992-02-01), Gibbs
patent: 6217550 (2001-04-01), Capes
patent: 6298541 (2001-10-01), Newby et al.
patent: 2002/0091361 (2002-07-01), Rosoff et al.

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