Demand oxygen system

Details Demand oxygen system Demand oxygen system

1991-03-14

1992-08-11

Burr, Edgar S.

Surgery

Respiratory method or device

Respiratory gas supply means enters nasal passage

12820418, 12820426, A61M 1508

Patent

active

051370174

ABSTRACT:
An intermittent oxygen delivery system for supplying oxygen to a first nare of a nasal cannula in response to patient's exhalation sensed through the second nare which is isolated from the delivery of the oxygen to the first nare.

REFERENCES:
patent: 3172407 (1965-03-01), Pechmann
patent: 4054133 (1977-10-01), Myers
patent: 4989599 (1991-02-01), Carter

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