Heat and moisture exchanger

Details Heat and moisture exchanger Heat and moisture exchanger

1994-09-15

1995-10-31

Burr, Edgar S.

Surgery

Respiratory method or device

Inhaled gas heated or humidified by exhaled gas

12820316, 12820327, A61M 1600, A62B 1808

Patent

active

054620481

ABSTRACT:
A heat and moisture exchanger, which is intended to be connected to a patient to humidify and warm the air inhaled by him, comprises a heat and moisture exchanger unit which includes a plurality of axially oriented layers and a warming device disposed adjacent thereto to increase the heat supply to the air inhaled. The exchanger further includes a humidifying device to increase the humidity of the air inhaled. The humidifying device includes a diffusion rod bearing on one end surface of the heat and moisture exchanger unit, the length of the diffusion rod being substantially equal to the radial extension of the heat and moisture exchanger.

REFERENCES:
patent: 3912795 (1975-10-01), Jackson
patent: 4090513 (1978-05-01), Togawa
patent: 4971054 (1990-11-01), Andersson et al.
patent: 5022394 (1991-06-01), Chmielinski
patent: 5109471 (1992-04-01), Lang
patent: 5255674 (1993-10-01), Oftedal et al.

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