Portable device for the survey of the breathing ventilation and of the oxygen consumption, connected by means of radio signals to a fixed reception and elaboration station
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United States of America Patent
Stats
-
Apr 21, 1987
Grant Date -
N/A
app pub date -
May 13, 1985
filing date -
Apr 1, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A device for the survey of the breathing ventilation and oxygen consumption has a mask M, worn by the person being examined, a control modulus that realizes a sample method of the breathing volume and of the turnover management, and a radio transmitter 25 that sends the signals to a fixed reception and elaboration unity UF. The device is portable due to the very small dimensions thereof, and very light due to the presence of a slow analyzer that has the advantages of the quick analyzers, by means of controlled turnover sampling that makes the micro mixing chamber 3 at fixed capacity equivalent to a dynamic chamber at variable capacity. At the end of each breathing action, when the air flow is annulled, the impulses due to the moment of inertia of the turbine 7 are suppressed by means of the pressure transducer 9 that identifies the annulment of the flow and corrects the signal still provided by turbine 7.
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