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Blink monitor for detecting blink occurrence in a living subject

  • US 7,639,146 B2
  • Filed: 09/26/2005
  • Issued: 12/29/2009
  • Est. Priority Date: 09/29/2004
  • Status: Active Grant
First Claim
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1. A method of determining a patient condition including at least one of drowsiness and ocular disorder, based on at least one blink electromyogram (EMG) signal measured from electrical activity in one or more muscles around at least one eye of the patient, the method comprising:

  • receiving at least one blink EMG signal from a sensor capable of detecting electrical activity in one or more muscles in a body of a person, the electrical activity being indicative of a blink occurrences;

    determining which data from the blink EMG signal represents a plurality of the blink occurrences; and

    evaluating the plurality of blink occurrences represented by the data from the blink EMG signal to determine an onset or actual occurrence of a patient condition, wherein the patient condition includes at least one of drowsiness and an ocular disorder.

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