Chest drainage unit having increased airflow capacity with capab

Surgery – Means and methods for collecting body fluids or waste material – Material collector with condition indicator

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Details

604319, 604321, 137205, A61M 100

Patent

active

049116975

ABSTRACT:
A chest drainage unit having a suction regulator in fluid communication with the suction control chamber for regulating the suction pressure applied to the pleural cavity of the patient wherein the suction regulator includes a valve device which provides a continuous amount of fluid communication between the atmosphere and the suction source in the normally closed position and being movable to an open position in response to the increased negative pressure to allow an increase in the amount of fluid communication between the atmosphere and the suction source.

REFERENCES:
patent: 4372336 (1983-02-01), Cornell
patent: 4738671 (1988-04-01), Elliot

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