Training breathing apparatus

Details Training breathing apparatus Training breathing apparatus

1978-12-26

1982-04-20

Recla, Henry J.

Surgery

Respiratory method or device

Inhaled gas heated or humidified by exhaled gas

12820226, 12820417, 434226, 434262, A62B 700

Patent

active

043253644

ABSTRACT:
To simulate the experience of breathing hot or warm air in the use of breathing apparatus, this invention provides an apparatus comprising a canister through which the wearer inhales and exhales, the canister being filled with a reagent which creates heat by reaction with the carbon dioxide or moisture in the exhaled breath. The inhaled air absorbs the heat given out by the reaction. The apparatus can be modelled on the actual breathing apparatus to be used and is highly acceptable to users.

REFERENCES:
patent: 3655346 (1972-04-01), Cotabish et al.
patent: 3908649 (1975-09-01), Eckstein
patent: 4090511 (1978-05-01), Gray
Katz et al., The Universal and The Fireman's Gas Masks, May 23, 1923, Dept. of the Interior-Technical Paper 300.

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