Delivery apparatus with mechanism preventing rearward movement o

Details Delivery apparatus with mechanism preventing rearward movement o Delivery apparatus with mechanism preventing rearward movement o

1992-12-14

1995-01-10

Yasko, John D.

Surgery

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

Treating material introduced into or removed from body...

604199, 604208, 604218, A61M 500

Patent

active

053802950

ABSTRACT:
A delivery apparatus in the form of a syringe assembly with a piston and including a mechanism for preventing withdrawal of the piston. The syringe is preferably prefilled and sterilized to provide a sterile syringe assembly with sterile contents. By preventing withdrawal of the piston, contact of the sterile contents with the exposed portion of the syringe barrel behind the piston and the consequent risk of contamination arising therefrom are avoided.

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patent: 5021047 (1991-06-01), Movern
patent: 5095914 (1992-03-01), Sarstedt
patent: 5135514 (1992-08-01), Kimber
patent: 5224936 (1993-07-01), Gallager

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