Surgery – Means and methods for collecting body fluids or waste material – Aspiration collection container or trap
Patent
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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Shave William H.
Williams Joseph R.
Akers Lawrence C.
Kruter J. L.
LaPierre John L.
Pellegrino Stephen C.
Pfizer Hospital Products Group Inc.
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