Substance delivery apparatus
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United States of America Patent
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Jan 31, 2006
Issued Date -
N/A
app pub date -
Dec 20, 1999
filing date -
Dec 12, 1996
priority date (Note) -
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status (Latency Note)
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Abstract
A substance delivery apparatus for use with a system for supplying breathable gas to a human or animal includes a sensor to measure the pressure of the supplied breathable gas and to detect inhalation by the human or animal; and a reservoir, a conduit, a pump, and a diaphragm to deliver the substance to the human or animal during inhalation at a pressure higher than the supplied pressure of the breathable gas.
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