Surgery – Respiratory method or device – Inhaled gas heated or humidified by exhaled gas
Patent
1985-07-24
1988-09-20
Kamm, William E.
Surgery
Respiratory method or device
Inhaled gas heated or humidified by exhaled gas
12820226, 12820326, 12820417, A62B 1808
Patent
active
047717700
ABSTRACT:
A moisture and heat exchange device for a regeneration type oxygen self-cained breathing apparatus comprises a casing having pipes of which one pipe is connected to a facepiece of the apparatus and the other pipe is connected to a regenerating cartridge of the apparatus. The casing houses a multiple-layer package of alternating hydrophilic and hydrophobic washers, disposed coaxially with the casing. The hydrophilic washers of the multiple-layer package are made in the form of nets of a fibrous material impregnated with a hygroscopic substance. The hydrophobic washers of the multiple-layer package are made of a non-woven bulk web having a linear density which is lower than the linear density of the material of the hydrophilic washers. Two air-distribution pressure screens are provided at the end faces of the multiple-layer package to engage the hydrophobic washers.
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Artemenko Anatoly I.
Baskakov Boris I.
Kocherga Vladimir K.
Luchko Viktor N.
Margolis Anatoly E.
Kamm William E.
Reichle K. M.
Vsesojuzny Nauchno-Issledovatelsky institut Gornospasatelnogo De
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