Prefilled syringe

Details Prefilled syringe Prefilled syringe

2006-08-18

2011-10-25

Stigell, Theodore (Department: 3767)

Surgery

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

Treating material introduced into or removed from body...

C604S222000, C604S218000, C604S231000

Reexamination Certificate

active

08043267

ABSTRACT:
The prefilled syringe filled with a drug in advance, leaking of liquid from the cap is prevented, gas barrier properties are given to the whole of the barrel filled with the drug and the shoulder section so that degradation of the drug is prevented, permeation of microbial contaminants is prevented to a high extent, and efficiency of packing as a compact container can be increased. The prefilled syringe includes a guard-shaped extension projecting from the outer periphery of a shoulder section of the syringe barrel on the nozzle side, and a range from a part where a gasket of the plunger is positioned on the outer surface of the syringe barrel filled with the drug to the guard-shaped extension is covered with barrier packaging.

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