Automatic regulator for breathing apparatus

Details Automatic regulator for breathing apparatus Automatic regulator for breathing apparatus

1989-12-08

1991-06-04

Burr, Edgar S.

Surgery

Respiratory method or device

Means for supplying respiratory gas under positive pressure

12820128, A62B 902, A62B 1810

Patent

active

050205315

ABSTRACT:
An automatic regulator for breathing apparatus, comprising a chamber which communicates with the breathing apparatus, including therein an air-dispensing valve, and a chamber which communicates with the environment. Said chambers are sealingly separated from each other by means of a flexible membrane which controls the dispensing valve, while the chamber which communicates with the environment is defined exteriorly by a cover provided with a tongue which is obtained by a partial cut in the front face of said cover and which is resiliently deflected inwards by an external depressing force, so as to deflect said membrane towards the interior of the chamber which communicates with the breathing apparatus and to cause the opening of said dispensing valve.

REFERENCES:
patent: 2406883 (1946-09-01), Meidenbauer, Jr.
patent: 3680556 (1972-08-01), Morgan
patent: 3721235 (1973-03-01), Ball et al.

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