Perfusion index smoother

CAFC
  • US 8,983,564 B2
  • Filed: 09/26/2012
  • Issued: 03/17/2015
  • Est. Priority Date: 10/12/2006
  • Status: Active Grant
First Claim
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1. A method of determining an indication of perfusion index in a patient monitor, the method comprising:

  • receiving pleth data;

    calculating at least two indications of perfusion index using at least two different calculation techniques; and

    determining a final indication of perfusion index based on the at least two indications of perfusion index;

    wherein the final indication of perfusion index is determined by selecting the lowest indication of perfusion index.

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