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Physiological monitor

  • US 20060270920A1
  • Filed: 05/03/2006
  • Published: 11/30/2006
  • Est. Priority Date: 06/03/1998
  • Status: Active Grant
First Claim
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1. A patient monitor comprising:

  • a plurality of sensors adapted to attach to tissue sites of a living subject so as to generate a plurality of sensor signals each responsive to at least two wavelengths of optical radiation after attenuation by pulsatile blood within the tissue sites;

    a plurality of data channels derived from corresponding ones of the sensor signals;

    a plurality of quality parameters associated with corresponding ones of the data channels; and

    a processor configured to operate on the data channels according to the quality parameters so as to provide at least one of an oxygen status parameter and a plethysmograph parameter for the living subject.

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