Dual control valve for positive pressure artificial respiration

Details Dual control valve for positive pressure artificial respiration Dual control valve for positive pressure artificial respiration

1979-02-28

1980-12-16

Recla, Henry J.

Surgery

Respiratory method or device

Means for supplying respiratory gas under positive pressure

12820418, A61M 1600

Patent

active

042390397

ABSTRACT:
The present invention relates to improvements in the portable, positive-pressure artificial respiration apparatus and, more particularly, to improvements in the air passageway systems of such apparatus by using a dual control valve.

REFERENCES:
patent: 2770231 (1956-11-01), Falk
patent: 2914064 (1959-11-01), Sandelowsky
patent: 2972345 (1961-02-01), Spigel
patent: 3094274 (1963-06-01), Thompson
patent: 3120228 (1964-02-01), Huxley

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