Fast response vacuum aspiration collection system

Details Fast response vacuum aspiration collection system Fast response vacuum aspiration collection system

1982-12-29

1984-10-09

Rosenbaum, C. Fred

Surgery

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

Treating material introduced into or removed from body...

604323, A61M 100

Patent

active

044759045

ABSTRACT:
A fast response vacuum aspiration collection system includes a pair of sealed collection containers, one container having a significantly smaller volume. The larger container is connected to a fixed vacuum source, the smaller container is connected to a controlled, variable vacuum source, and the containers are connected together by an exchange line passing through a normally closed first pinch valve. A surgical probe line is connected to the exchange line, and extends through a normally closed second pinch valve to an aspirating surgical instrument. The controlled vacuum applied to the smaller container is conducted through the exchange line and the surgical line to the surgical instrument, with the small volume of the small container quickly assuming the vacuum level applied to that container. When the small container is filled, the second pinch valve is closed and the first pinch valve is opened, allowing the vacuum applied to the larger container quickly to withdraw fluid from the smaller container to the larger container.

REFERENCES:
patent: 1910830 (1933-05-01), Hapgood
patent: 2740420 (1956-04-01), Hanks
patent: 4384580 (1983-05-01), Leviton

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