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PHYSIOLOGICAL PARAMETER CONFIDENCE MEASURE

  • US 20110237914A1
  • Filed: 06/03/2011
  • Published: 09/29/2011
  • Est. Priority Date: 03/01/2005
  • Status: Active Grant
First Claim
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1. A method of determining a measure of confidence in a physiological parameter, the physiological parameter determined by transmitting multiple wavelengths of optical radiation into a tissue site and detecting the optical radiation after tissue attenuation, the method comprising:

  • deriving physiological data responsive to the intensity of multiple wavelengths of optical radiation transmitted into a tissue site and detected after tissue attenuation;

    estimating a physiological parameter based upon the physiological data;

    providing a physiological data reference;

    obtaining at least one data cluster from the physiological data reference; and

    determining a measure of confidence in the estimated physiological parameter based upon the at least one data cluster and the derived physiological data.

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