Surgery – Respiratory method or device – Means for heating respiratory gas or respiration device
Patent
1988-01-12
1990-03-06
Burr, Edgar S.
Surgery
Respiratory method or device
Means for heating respiratory gas or respiration device
12820621, 12820712, A61M 1600
Patent
active
049056867
ABSTRACT:
A lightweight face mask for heating surrounding air to be inhaled by a user includes a thin cup-shaped inner shell and an outer shell spaced from and surrounding the inner shell, the inner and outer shells defining a preheating chamber therebetween through which air passes in a counter-current flow pattern before entering a user breathing space inside the inner shell. The mask may include an electric heating element and battery power supply for additionally heating air entering the user breathing space.
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Cold Mask Advertised in Undated Dr. Leonard's Health Care Catalog received in the mail in approximately Dec., 1988.
Burr Edgar S.
Lewis Aaron J.
Simulators Limited, Inc.
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