Syringe

Details Syringe Syringe

2006-08-08

2006-08-08

Lucchesi, Nicholas D. (Department: 3763)

Surgery

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

Material introduced into and removed from body through...

Reexamination Certificate

active

07087037

ABSTRACT:
There is provided an injector having a gasket held in excellent intimate contact with an inner wall surface of a barrel and shortened in overall length. A gasket is joined to a mount base disposed on a tip end of a plunger and having a bendable portion which bends toward an axis of the plunger radially outwardly of the mount base. The gasket is joined to the mount base with a gap left for allowing the bendable portion to bend toward the tip end of the plunger when the gasket slides toward an injection needle. The gasket is made of a synthetic resin having an A-scale Shore hardness in the range from 20 to 70. The gasket has a groove define therein radially outwardly of the mount base, and the bendable portion comprises a portion of the gasket disposed radially outwardly of the groove.

REFERENCES:
patent: 5496285 (1996-03-01), Schumacher et al.
patent: 0 689 847 (1996-01-01), None
patent: 0689847 (1996-01-01), None
patent: 1 346 470 (1963-12-01), None
patent: 1 106 825 (1968-03-01), None
patent: 58-69574 (1983-04-01), None
patent: 7-513 (1995-01-01), None

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