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Physiological trend monitor

  • US 9,636,056 B2
  • Filed: 04/10/2015
  • Issued: 05/02/2017
  • Est. Priority Date: 01/24/2002
  • Status: Expired
First Claim
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1. A system for non-invasively monitoring physiological trends, the system comprising:

  • a processor configured to;

    receive a sensor signal from an optical sensor coupled with a patient, the sensor signal responsive to light attenuated by body tissue of the patient;

    calculate a physiological parameter and a physiological parameter trend based on the sensor signal;

    output a value of the physiological parameter for presentation on a display; and

    output an audible alarm once the physiological parameter reaches a threshold if the physiological parameter trend is not trending upward.

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