Device for enhancing moisture content of inspired air in a close

Details Device for enhancing moisture content of inspired air in a close Device for enhancing moisture content of inspired air in a close

1993-09-23

1995-08-08

Asher, Kimberly L.

Surgery

Respiratory method or device

Inhaled gas heated or humidified by exhaled gas

12820413, 12820417, 12820714, A61M 1500, A61M 1600, A62B 906, A62B 1808

Patent

active

054389780

ABSTRACT:
A hollow, elongated shaft (20) containing a layer of porous material (30) that is capable of retaining moisture is designed to fit within the airway (13) of the mouthpiece (11) of a closed respiratory system to receive water vapor from expired air and allow the water vapor to be taken up by inspired air.

REFERENCES:
patent: 2228502 (1941-01-01), Boothby
patent: 3107669 (1963-10-01), Gross
patent: 3669109 (1972-06-01), Cheffers et al.
patent: 3747598 (1973-07-01), Cowans
patent: 3881482 (1975-05-01), Lindholm
patent: 3954920 (1976-05-01), Heath
patent: 4516573 (1985-05-01), Gedeon

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