Carbon dioxide detector and shield

Details Carbon dioxide detector and shield Carbon dioxide detector and shield

1994-11-02

1996-05-21

Burr, Edgar S.

Surgery

Respiratory method or device

Means for removing substance from respiratory gas

12820523, 12820024, 116206, 73 233, 422 87, 422 58, 436900, A62B 700, G01D 2100, G01N 33497

Patent

active

055179851

ABSTRACT:
An apparatus (14) for detecting carbon dioxide in exhaled gas is disclosed. The apparatus comprises an indicating element (10) for changing color when exposed to carbon dioxide and a carbon dioxide shield (12) for absorbing a predetermined level of carbon dioxide from the exhaled gas before exposing the indicating element (10) to the exhaled gas.

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Robert C. Weast, ed., CRC Handbook of Chemistry and Physics, 64th ed. (Boca Raton, Florida: CRC Press, 1983) pp. D-152-D-153.

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