System for electroencephalographic detection of an inadequacy between the state of a patient placed under ventilatory support and the setting of the machine used for this support, and use of this detection to adjust the setting
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United States of America Patent
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Nov 7, 2017
Grant Date -
Aug 8, 2013
app pub date -
Jul 6, 2011
filing date -
Jul 7, 2010
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Abstract
The invention relates to a system for electroencephalographic detection of an improper adjustment of a ventilator used on a mammal. The system includes an electroencephalograph, capable of measuring, as a function of time, an electroencephalographic signal representative of a breathing process; and an input for receiving a respiratory initiation signal, different from the electroencephalographic signal, capable of indicating a respiratory initiation time. The detection system further includes means for specifying a beta frequency band comprised between 15 and 30 Hz and with a width comprising between 5 and 10 Hz; means for processing the measured electroencephalographic signal, configured for processing the measured electroencephalographic signal as it is being acquired, in the sole specified beta frequency band; and means for identifying, for each breathing cycle, an improper adjustment of the ventilator from the electroencephalographic signals processed in the sole beta frequency band.
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