Glass cartridge for injection syringe prefilled with pharmaceuti

Details Glass cartridge for injection syringe prefilled with pharmaceuti Glass cartridge for injection syringe prefilled with pharmaceuti

1996-01-24

1998-07-21

Stright, Jr., Ronald K.

Surgery

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

Treating material introduced into or removed from body...

604227, 604240, 222386, A61M 5315

Patent

active

057828156

ABSTRACT:
A glass cartridge (C) for an injection syringe prefilled with pharmaceutical liquid, wherein a glass barrel (1a) having an entrance end (1i) portion and the exit end (1e) portion are formed. Further, a stopper serving also as a piston is fitted into the glass barrel (1a), and a gasket (3) is provided on the exit end (1e). A lure lock lid (4) and a lid holder (5) are provided on the exit and (1e). An inner member (41) of the lure lock lid (4) is preferably made of polypropylene, PP while its outer member (42) is preferably made of polybutylene terephthalate, PBT. The lid holder (5) and a flanged cap (6) are preferably made of polycarbonate, PC, and the stopper (2) and the gasket (3) are made of isobutylene-isoprene copolymer rubber, IIR. Even when the glass cartridge for an injection syringe is prefilled with pharmaceutical liquid and subjected to pressurized steam sterilization (121.degree. C..times.20 min), alkaline metallic ions will be eluted.

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