Process and device for supplying respiratory oxygen

Details Process and device for supplying respiratory oxygen Process and device for supplying respiratory oxygen

1988-03-02

1989-05-09

Burr, Edgar S.

Surgery

Respiratory method or device

Means for supplying respiratory gas under positive pressure

12820428, 12820426, 12820429, A61M 1600

Patent

active

048279226

ABSTRACT:
The invention relates to the supply of superoxygenated air to a patient during a part of the inspiratory phase. An electrically controlled supply valve is opened as soon as the sensor of a detector receives a depression signal due to a start of inspiration. This produces a voltage which is compared with a reference voltage corresponding to the atmospheric pressure previously stored in a memory. The duration of the injection is counted and is proportional to the duration of the non-injection which is dependent on the duration of the expiratory phase.

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