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Devices and methods for monitoring cerebral hemodynamic conditions

  • US 9,307,918 B2
  • Filed: 10/03/2011
  • Issued: 04/12/2016
  • Est. Priority Date: 02/09/2011
  • Status: Expired due to Fees
First Claim
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1. A cerebro-hemodynamic measurement apparatus, comprising:

  • at least one processor configured to;

    receive at least one signal characterizing at least one cranial bioimpedance measurement;

    correlate the at least one signal with timing of a cardiac wave;

    analyze the at least one signal during a time period defined by the cardiac wave to ascertain an extent of at least one expected characteristic in the at least one signal during the time period, the analysis including;

    decomposing the at least one signal into basis functions associated with parameters,determining a distribution of at least one of the parameters, andascertaining the extent of the at least one expected characteristic in the at least one signal during the time period based on the distribution of the at least one of the parameters; and

    output information for predicting a physiological brain condition based on the extent of the at least one expected characteristic in the at least one signal.

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