Combination anesthetic mask and oxygen transport system

Details Combination anesthetic mask and oxygen transport system Combination anesthetic mask and oxygen transport system

1996-05-31

1997-11-25

Millin, Vincent

Surgery

Respiratory method or device

Means for supplying respiratory gas under positive pressure

12820425, 12820429, A62B 700

Patent

active

056900970

ABSTRACT:
A system to provide supplemental oxygen to a patient via an oronasal mask and an oxygenation adaptor, the adaptor providing for countercurrent flow of fresh (oxygen-enriched) gas and exhaled gas with minimal mixing to reduce oxygen requirements. The Coanda effect is employed to establish and maintain wall attachment of the exhaled gas stream to minimize mixing with incoming fresh gas.

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