Demand oxygen system
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United States of America Patent
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Aug 11, 1992
Issued Date -
N/A
app pub date -
Mar 14, 1991
filing date -
Apr 13, 1989
priority date (Note) -
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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.
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