Permanent adapter for a medical humidifier

Details Permanent adapter for a medical humidifier Permanent adapter for a medical humidifier

1981-06-19

1982-09-21

Chiesa, Richard L.

Gas and liquid contact apparatus

Fluid distribution

Valved

12820011, 12820523, 137859, 261121R, B01F 304, A61M 1500

Patent

active

043506470

ABSTRACT:
An adapter for connection between an oxygen flowmeter and a water bottle whose contents humidify oxygen fed to a patient. An audible duckbill valve is mounted on a valve seat transverse to the longitudinal axis of the connector. When oxygen pressure through the connector becomes excessive, the valve opens, producing an audible sound to alert an attendant to the condition.

REFERENCES:
patent: 3807445 (1974-04-01), McPhee
patent: 3903884 (1975-09-01), Huston et al.
patent: 4039639 (1977-08-01), Kankel et al.
patent: 4061698 (1977-12-01), Thornwald
patent: 4100235 (1978-07-01), Thornwald
patent: 4134940 (1979-01-01), Sherman
patent: 4149556 (1979-04-01), Schwabe
patent: 4190046 (1980-02-01), Virag
patent: 4223842 (1980-09-01), Hayes

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