Fresh air breathing mask with exterior heat exchanger

Details Fresh air breathing mask with exterior heat exchanger Fresh air breathing mask with exterior heat exchanger

1981-07-27

1983-11-01

Recla, Henry J.

Surgery

Respiratory method or device

Means for heating respiratory gas or respiration device

12820713, A61M 1500

Patent

active

044125372

ABSTRACT:
A typical embodiment of the invention provides a sturdy, lightweight, inexpensive and comfortable warmer for fresh breathing air. An heat exchanger that is sufficiently flexible to conform with the shape of a wearer's scalp is secured to the wearer's head by means of a pullover cap. In this way the heat exchanger takes advantage of the great heat dissipating capabilities of the human head in order to warm fresh breathing air on its way from the atmosphere to the wearer's nose mask.

REFERENCES:
patent: 603021 (1898-04-01), Dight
patent: 812706 (1906-02-01), Warbasse
patent: 1281211 (1918-10-01), Rogers
patent: 2468383 (1949-04-01), Tiffany
patent: 4269183 (1981-05-01), Hunt

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