Special gas dose delivery apparatus for respiration equipment
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United States of America Patent
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-
Jul 6, 1999
Grant Date -
N/A
app pub date -
Apr 22, 1997
filing date -
Apr 22, 1997
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A special gas dose delivery unit for respiratory equipment has a special gas flow conduit connected to a special gas source. The unit includes a supply of carrier gas for the special gas, preferably obtained by withdrawing gas from the inspiration limb of the patient breathing circuit. A valve, controllable in accordance with desired special gas dose parameters and the breathing pattern of the patient, injects the special gas into the carrier gas for provision to the outlet conduit of the special gas dose delivery unit. The outlet conduit is connected to the patient limb of the breathing circuit for delivery to the patient.
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