Surgery – Respiratory method or device – Inhaled gas heated or humidified by exhaled gas
Patent
1995-08-04
1996-04-30
Lewis, Aaron J.
Surgery
Respiratory method or device
Inhaled gas heated or humidified by exhaled gas
12820327, 12820417, A62B 1808
Patent
active
055115411
ABSTRACT:
A warm air mask comprising a facial covering configured to form an upper edge positionable above the nose of a wearer, a lower edge positionable beneath the chin of a wearer, and side edges positionable beyond the ears of a wearer; a plurality of oval inhale ports formed in the covering and extending therethrough, each inhale port including a flap to open with the inhaling of a wearer and to close with the exhaling of a wearer. An exhale port is formed in the covering and extending therethrough, the exhale port including a flap to open with the exhaling of a wearer and to close with the inhaling of a wearer. Further, an array of electrical resistance wires for generating heat when electrically activated, the array being positioned in each inhale port with an associated electrical power source for selectively activating and inactivating the resistance wires.
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