Intermittent patient suction system and control means therefor

Details Intermittent patient suction system and control means therefor Intermittent patient suction system and control means therefor

1977-12-15

1980-07-22

Michell, Robert W.

Surgery

Respiratory method or device

Ozone or ion generation

137102, A61M 100

Patent

active

042134579

ABSTRACT:
An intermittent suction system for alternately applying a vacuum and atmospheric pressure to a patient for removing fluids from the patient and comprising a vacuum source and first and second containers adapted to be interconnected to the source and to the atmospheric pressure by a control unit that is adapted to apply the vacuum to the patient in response to a vacuum condition of the first container and to apply the atmospheric pressure to the patient in response to a vacuum condition in the second container, the control unit including structure for always interconnecting the vacuum to the patient when the vacuum condition in the first container is a certain percentage of the vacuum condition of the vacuum sorce regardless of the vacuum value of the vacuum source.

REFERENCES:
patent: 3653393 (1972-04-01), Love
patent: 3659605 (1972-05-01), Sielaff
patent: 3718152 (1973-02-01), Kraakman

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