Humidity exchanger for a breathing apparatus

Details Humidity exchanger for a breathing apparatus Humidity exchanger for a breathing apparatus

1980-06-24

1982-05-04

Recla, Henry J.

Surgery

Respiratory method or device

Inhaled gas heated or humidified by exhaled gas

12820413, 261DIG65, 165140, 165DIG10, A61M 1500

Patent

active

043277179

ABSTRACT:
The humidity exchanger for a breathing apparatus and a conduit for the passage of inspiration and expiration air comprises a housing having an opening at each end and with a bundle of fiber tubules extending longitudinally through the housing and embedded at respective ends in packing so as to define a space within the housing around the tubes. Inspiration air is directed upwardly through the tubes past a non-return valve and out through a fitting which also forms a passage for the expiration air. The fitting also extends in communication with an inlet for the tube chamber, the space in the housing around the tubes and between the packing. An outlet is also provided for the chamber around the tubes which extends out to atmosphere.

REFERENCES:
patent: 1123201 (1914-12-01), Almirall
patent: 2670933 (1954-03-01), Bay
patent: 3871373 (1975-03-01), Jackson
patent: 4010748 (1977-03-01), Dobritz
patent: 4146597 (1979-03-01), Eckstein et al.
patent: 4150671 (1979-04-01), Tiger
patent: 4155961 (1979-05-01), Benthin

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