Respiratory heated face mask

Details Respiratory heated face mask Respiratory heated face mask

1987-08-20

1988-12-27

Howell, Kyle L.

Surgery

Respiratory method or device

Means for heating respiratory gas or respiration device

12820327, 219364, 219497, 219501, 219506, A62B 700

Patent

active

047933437

ABSTRACT:
A face mask for use in cold weather to supply warm air for inhalation by normal breathing to persons having respiratory and heart ailments to avoid the discomfort, pain and limited mobility caused by breathing cold air and to healthy people engaged in strenuous cold weather activities. The face mask has inlet and outlet check valves and a cold air intake chamber with an electric heater element therein which heats the cold air to supply warm air for inhalation. The heater element is preferably powered by a portable battery pack and controlled by electronic circuitry to maintain the heated air in a predetermined temperature range.

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