Injector for an infusion or transfusion system

Details Injector for an infusion or transfusion system Injector for an infusion or transfusion system

1984-12-20

1986-07-22

Rosenbaum, C. Fred

Surgery

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

Treating material introduced into or removed from body...

604415, A61M 500

Patent

active

046017038

ABSTRACT:
An injector for infusion or transfusion systems utilizes a housing having a duct extending longitudinally therethrough. The inner surface of a penetrable membrane covers an end of the duct, with the edge of the surface abutting an annular shoulder of the housing. A ring is disposed in an annular indentation on the periphery of the outer surface of the membrane, with the outer edge of the inner surface of the ring abutting a second annular shoulder of the housing. The outer surface of the ring and the central portion of the outer surface of the membrane are flush.

REFERENCES:
patent: 3682315 (1972-08-01), Haller
patent: 3900028 (1975-08-01), McPhee
patent: 4187149 (1980-02-01), Tolbert et al.
patent: 4219912 (1980-09-01), Adams
patent: 4289129 (1981-09-01), Turner
patent: 4307766 (1981-12-01), Tanokura

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