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Physiological monitor

  • US 7,899,507 B2
  • Filed: 05/03/2006
  • Issued: 03/01/2011
  • Est. Priority Date: 06/03/1998
  • Status: Expired due to Fees
First Claim
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1. A patient monitoring method comprising:

  • inputting sensor signals from at least two physiological sensors of a physiological monitor, the physiological sensors attached to tissue sites comprising two or more of at least a portion the left arm, right arm, left leg, right leg, head, and neck of a patient;

    generating data channels corresponding to each of the tissue sites based on the sensor signals;

    calculating signal quality for each of the data channels using one or more processors of the physiological monitor; and

    outputting a first oxygen status parameter or plethysmograph derived from at least one of the data channels based upon a comparison of the calculated signal qualities.

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