Process and device for supplying respiratory oxygen
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United States of America Patent
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May 9, 1989
Grant Date -
N/A
app pub date -
Mar 2, 1988
filing date -
Mar 5, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
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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