Stopper for two-chamber mixing syringe

Details Stopper for two-chamber mixing syringe Stopper for two-chamber mixing syringe

1977-07-05

1979-05-08

Yasko, John D.

Surgery

Respiratory method or device

Ozone or ion generation

A61J 100

Patent

active

041530578

ABSTRACT:
A two-chamber syringe assembly for medicinal purposes consisting of a piston syringe having a chamber for a liquid; a container as a second chamber for a solid or another liquid; a stopper with an axial bore connecting the syringe to the vial; and a second stopper sealing the axial bore and adapted to be ejected with the liquid in the syringe into the container by inward activation of the piston of the syringe.

REFERENCES:
patent: 2660171 (1953-11-01), Dickinson, Jr.
patent: 2869745 (1959-01-01), Lockhart
patent: 3330281 (1967-07-01), Visser
patent: 3332421 (1967-07-01), King et al.
patent: 3392726 (1968-07-01), Pochyla et al.
patent: 4048999 (1977-09-01), Kobel

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