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Method and apparatus for diagnosing sleep breathing disorders

  • US 5,769,084 A
  • Filed: 07/10/1996
  • Issued: 06/23/1998
  • Est. Priority Date: 07/10/1996
  • Status: Expired due to Term
First Claim
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1. A method for generating markers identifying the timing of the onset of an event characteristic of a sleep breathing disorder including the steps of:

  • monitoring at least one cardio-respiratory function over time;

    generating a time series vector representation of each monitored cardio-respiratory function;

    generating a signal for each monitored function based upon chaotic processing of the corresponding time series vector representation; and

    identifying as a marker each excursion of each signal beyond a corresponding threshold value thereby to indicate the timing of the onset of an event.

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