Pre-filled syringe with anti-tamper cap

Details Pre-filled syringe with anti-tamper cap Pre-filled syringe with anti-tamper cap

2004-05-25

2011-12-13

Sirmons, Kevin C (Department: 3767)

Surgery

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

Treating material introduced into or removed from body...

Reexamination Certificate

active

08075535

ABSTRACT:
A prefilled ready-to-use syringe, including a tubular body having, at its distal end, a tip to take a needle and, at its proximal end, a flange, a piston able to slide inside the tubular body and defining, with the tubular body, an internal working volume at least partially filled with a liquid, a rod for actuating the piston extending beyond the proximal end of the tubular body, characterized in that a rigid cover is attached and fixed in a definitive way to the flange and has a central opening for the free translational passage of the actuating rod, and the said cover forms a stop for the actuating rod in the proximal direction, and a plug is arranged to translate freely in the tubular body between the piston and the proximal end of the body, the plug being resistant to puncturing with a needle.

REFERENCES:
patent: 3306290 (1967-02-01), Weltman
patent: 4531940 (1985-07-01), Butterfield
patent: 4592746 (1986-06-01), Burkholder et al.
patent: 4711637 (1987-12-01), Leigh et al.
patent: 5700247 (1997-12-01), Grimard et al.
patent: 5897532 (1999-04-01), Spallek et al.
patent: 5925032 (1999-07-01), Clements
patent: 6821266 (2004-11-01), Knepshield et al.
patent: 7223259 (2007-05-01), Marshall et al.
patent: 2004/0158202 (2004-08-01), Jensen

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