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Pulse and confidence indicator displayed proximate plethysmograph

  • US 10,130,289 B2
  • Filed: 04/26/2017
  • Issued: 11/20/2018
  • Est. Priority Date: 01/07/1999
  • Status: Expired due to Fees
First Claim
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1. A method of indicating signal quality in an electronic patient monitor when a displayed plethysmograph alone may not be a sufficient visual indicator, the method comprising:

  • electronically receiving a sensor output signal indicative of light attenuated by pulsing blood of a patient;

    determining with a signal processor plethysmographic data responsive to said sensor output signal;

    determining with said signal processor a measurement of confidence that said plethysmographic data accurately reflects physiological parameters occurring in said patient;

    displaying said plethysmographic data on a display of a patient monitoring device;

    displaying a visual indicator in proximity to said plethysmographic data; and

    modifying a color of said visual indicator, said modification responsive to said measurement of confidence.

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