Timing assembly for oxygen respiration units

Details Timing assembly for oxygen respiration units Timing assembly for oxygen respiration units

1978-04-05

1980-05-20

Recla, Henry J.

Surgery

Respiratory method or device

Means for supplying respiratory gas under positive pressure

137DIG9, 12820523, A61M 1600

Patent

active

042034345

ABSTRACT:
A timing assembly adapted to be secured to the outlet of an oxygen respiration unit which includes a housing having an inlet connected to the outlet of the unit and an outlet connected to a pneumatic valve which is operatively connected to a battery operated timer which shuts off oxygen flow from the unit and automatically admits outside air through an air filter after a preset time.

REFERENCES:
patent: 2483722 (1949-10-01), Bennett
patent: 2830580 (1958-04-01), Saklad et al.
patent: 2867210 (1959-01-01), Bennett
patent: 3915164 (1975-10-01), Bird
patent: 3923055 (1975-12-01), Hammacher

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