Drainage device with diverted gas flow path

Details Drainage device with diverted gas flow path Drainage device with diverted gas flow path

1986-08-08

1987-11-03

Pellegrino, Stephen C.

Surgery

Means and methods for collecting body fluids or waste material

Aspiration collection container or trap

604321, A61M 100

Patent

active

047041064

ABSTRACT:
A drainage device has a collection chamber for receiving liquids and gases from the body of a patient, an underwater seal chamber and a one-way outflow valve. A partition extending across a portion of the device forms the underwater seal chamber, which prevents the flow of atmospheric air from the device into the pleural cavity of the patient, above the partition and the collection chamber below it. The underwater seal is created at the lower end of an extension connected to the inlet to the device by liquids drained from the patient. The one-way outflow valve communicates with a trap chamber for collecting liquids inadvertently conducted toward the valve. The trap chamber is closed off from the underwater seal chamber but is connected to the collection chamber by means of a passageway through a wall separating the trap and collection chambers.

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patent: 4468226 (1984-08-01), Kurtz et al.
patent: 4533353 (1985-08-01), Akiyama

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