Medical gas humidifier with audible pressure relief valve and me

Details Medical gas humidifier with audible pressure relief valve and me Medical gas humidifier with audible pressure relief valve and me

1980-11-17

1982-07-06

Clements, Gregory N.

Gas and liquid contact apparatus

Contact devices

Liquid tank

12820011, 12820013, 12820222, 261DIG65, A61M 1106

Patent

active

043382673

ABSTRACT:
The disclosure is of an improved method and apparatus for humidifying medical gases. The apparatus improved is of the type which comprises a portable housing enclosing a water reservoir, a gas chamber, gas inlet and outlet conduits to carry the gas through the water reservoir and gas chamber. The improvement comprises an audible pressure relief valve in association with the gas chamber. When a predetermined pressure within the gas chamber has been exceeded, the pressure relief valve opens to relieve the excess pressure and to simultaneously warn the operator than the predetermined pressure level has been exceeded. The alerted operator may then check to determine if there has been a malfunction in the apparatus or ancillary apparatus.

REFERENCES:
patent: 1209182 (1916-12-01), Miller
patent: 1493570 (1924-05-01), Slate
patent: 2104934 (1938-01-01), Smith
patent: 2902269 (1959-09-01), Eichelman
patent: 3459218 (1969-08-01), Cranage
patent: 3572660 (1971-03-01), Mahon
patent: 3610276 (1971-10-01), Seelman
patent: 3611981 (1971-10-01), Warncke
patent: 3807445 (1974-04-01), McPhee
patent: 4011288 (1977-03-01), Assenheimer et al.
patent: 4039639 (1977-08-01), Kankel et al.

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