Controlled action self-mixing vial

Details Controlled action self-mixing vial Controlled action self-mixing vial

1991-08-07

1992-10-27

Yasko, John D.

Surgery

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

Treating material introduced into or removed from body...

604 89, 604416, A61M 3700

Patent

active

051585464

ABSTRACT:
A controlled action mixing vial (2) includes an elongate mixing container (14) having a movable piston (18) and fluid pressure rupturable seal (20). One pharmaceutical (58) is housed within the mixing container between the seal and the piston. A supplemental container (28) is coaxially translatably mounted to the mixing container and contains a second pharmaceutical (62) between the mixing and supplemental containers. Collapsing the mixing and supplemental containers causes the rupturable seal to open permitting the second pharmaceutical to be driven into the mixing container to drive the piston along the mixing container. The mixing and supplemental chambers are threadably coupled (10, 32) so the mixing is accomplished in a controlled, slow manner.

REFERENCES:
patent: 2665690 (1954-01-01), Lockhart
patent: 2761447 (1956-09-01), Hersee
patent: 3314563 (1967-04-01), Mounier
patent: 3696919 (1972-10-01), Miles
patent: 3796303 (1974-03-01), Allet-Coche
patent: 4648532 (1987-03-01), Green
patent: 4779722 (1988-10-01), Hall

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