Infusion system with self-generating pressure assembly

Details Infusion system with self-generating pressure assembly Infusion system with self-generating pressure assembly

1980-09-15

1983-04-12

Truluck, Dalton L.

Surgery

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

Treating material introduced into or removed from body...

222 95, 2223865, A61M 500

Patent

active

043794530

ABSTRACT:
An infusion system with a self-generating pressure assembly includes a flexible infusion container which contains a fluid, such as blood and an expandible envelope which contains a pair of chemical agents which generate a gas when mixed. In use, the chemical agents are mixed by manual manipulation of the expandable envelope, creating a gas which expands causing the expandible envelope to bear against the flexible infusion container creating fluid pressure therein which causes the infusion fluid to flow out of the infusion container. The assembly may comprise a sleeve surrounding both the infusion container and expandible envelope, or a flexible panel secured to the side edges of the expandible envelope and forming a sleeve-like opening into which the infusion container is inserted.

REFERENCES:
patent: 2409734 (1946-10-01), Bucher
patent: 2628615 (1953-02-01), Saftir
patent: 2690179 (1954-09-01), Fox
patent: 2766907 (1956-10-01), Wallace
patent: 2876768 (1959-03-01), Schultz
patent: 3023750 (1962-03-01), Baron
patent: 3153414 (1964-10-01), Beall et al.
patent: 3430731 (1969-03-01), Satzinger
patent: 3718236 (1973-02-01), Reyner et al.
patent: 4048994 (1977-09-01), Lo
patent: 4090514 (1978-05-01), Hinck et al.

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