Apparatus for the diagnosis or treatment of respiratory sleep disorders and operating process
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United States of America Patent
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-
Nov 5, 2002
Grant Date -
N/A
app pub date -
Jun 13, 2000
filing date -
Jun 14, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The apparatus includes a motorized turbine making it possible to deliver a stream of respiratory gas under variable or constant pressure into a patient circuit linked to a user. In the process an image of the respiratory flow rate of the patient is determined on the basis of the variations in the electric current consumed by the turbine. An image of the respiratory volume of the patient is determined by integrating the image of the respiratory flow rate of the patient. The moving average of the image of the respiratory volume of the patient is determined over n respiratory cycles and a respiratory flow rate restriction is determined, below that of an apnea or a hypopnea, representative of an event of ORE type.
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