Air regulator for breathing apparatus

Details Air regulator for breathing apparatus Air regulator for breathing apparatus

1987-11-09

1989-12-26

Hindenburg, Max

Surgery

Respiratory method or device

Means for supplying respiratory gas under positive pressure

12820429, 12820524, A61M 1600

Patent

active

048891150

ABSTRACT:
The second stage of the regulator comprises a first airflow circuit, controlled by a manostat diaphragm in a conventional manner which permits the assumption of the minimum required amount of air upon each act of breathing, with a minimum effort; and a second airflow circuit combined with said first circuit, which permits to supply--in case of increased demand of air--a supplementary amount of air to meet any additional need of the user.

REFERENCES:
patent: 2887104 (1959-05-01), Sovinsky et al.
patent: 3783891 (1974-01-01), Christianson
patent: 4219017 (1980-08-01), Shamlian et al.
patent: 4694825 (1987-09-01), Slemmer et al.

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