Cold weather breathing device with improved conduit and valve ar

Details Cold weather breathing device with improved conduit and valve ar Cold weather breathing device with improved conduit and valve ar

1982-02-24

1984-07-24

Recla, Henry J.

Surgery

Respiratory method or device

Means for heating respiratory gas or respiration device

12820716, A62B 700

Patent

active

044612923

ABSTRACT:
A cold weather breathing device having an improved conduit which has swivel connections and hinge connections, and having an improved dual-flap valve arrangement to reduce vibration and to provide a faster acting valve device. Further disclosed is a deflector baffle arrangement which promotes synchronous valve cycling even under severe conditions and a cool air bypass in the conduit of the device to enable the user to mix cool and warm air so as to provide the desired temperature of the breathed in air.

REFERENCES:
patent: 1880998 (1932-10-01), Sturtevant
patent: 2505173 (1950-04-01), Conley
patent: 3276445 (1966-10-01), Langdon
patent: 3326214 (1967-06-01), McCoy
patent: 3707966 (1973-01-01), Nebel
"Respiratory Therapy", D. W. Glover, M. M. Glover, The C. V. Mosby Company, St. Louis, 1978, p. 19.

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