Air warming device to facilitate breathing

Details Air warming device to facilitate breathing Air warming device to facilitate breathing

1982-12-16

1985-01-08

Recla, Henry J.

Surgery

Respiratory method or device

Means for heating respiratory gas or respiration device

A61M 1500

Patent

active

044922280

ABSTRACT:
An air warming device to facilitate breathing comprising a thin wall air warming chamber having a plurality of cells which extend vertically when the device is worn and placed against the chest region of the user. Each cell has a relatively large opening at the bottom and a relatively smaller opening at the upper end. A first manifold extends across the bottom having an upwardly facing open wall in communication with the large openings at the bottom of each cell and having a small opening to admit outside air into the first manifold. A second manifold extends across the top having a downwardly facing open wall in communication with the small openings at the top of each cell, and having a small opening for warmed air to pass from the second manifold through a tube to a breathing mask over the nose of the user. The breathing mask includes an exhaust valve for exhaled air to escape. A layer of insulating material is placed over the outwardly facing wall of the air warming chamber.

REFERENCES:
patent: 3491754 (1970-01-01), Weese
patent: 3707966 (1973-01-01), Nebel
patent: 3902486 (1975-09-01), Guichard

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