Dual dose ampule

Details Dual dose ampule Dual dose ampule

1982-03-18

1983-11-08

Yasko, John D.

Surgery

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

Treating material introduced into or removed from body...

A61M 500

Patent

active

044139918

ABSTRACT:
A method of an apparatus for hypodermically injecting at least two liquid medicaments which are kept separate from each other until use, and then causing them to be merged into a single pressurized flow stream in the lumen of a single hypodermic needle. Also, a liquid medicament ampule for plural medicaments, and a hypodermic needle carried in the ampule and isolated from the medicament compartments until use, to prevent possible corrosion of the needle by either or both of the medicaments.

REFERENCES:
patent: 2193322 (1940-03-01), Lozier et al.
patent: 2653607 (1953-09-01), Deans
patent: 3636950 (1972-01-01), Gomez et al.
patent: 3911916 (1975-10-01), Stevens
patent: 4031892 (1977-06-01), Hurschman
patent: 4040420 (1977-08-01), Speer
patent: 4171698 (1979-10-01), Genese

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