Decompression and toxic fume protection apparatus

Surgery – Respiratory method or device – Inhaled gas heated or humidified by exhaled gas

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Details

12820125, 12820128, 12820528, A62B 1808

Patent

active

049985299

ABSTRACT:
Decompression and toxic fume protection apparatus comprising an inner chamber adapted to surround the head of the wearer, an inflatable and concentric outer chamber, a gas reservoir, means for removal of carbon dioxide and passageways for the circulation of gas through the apparatus.

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patent: 4087088 (1977-11-01), Kovacevic
patent: 4236514 (1980-12-01), Moretti
patent: 4269183 (1981-05-01), Hunt

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