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Bioimpedance system and sensor and technique for using the same

  • US 8,406,865 B2
  • Filed: 09/30/2008
  • Issued: 03/26/2013
  • Est. Priority Date: 09/30/2008
  • Status: Active Grant
First Claim
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1. A monitoring system comprising a processor configured to execute instructions to:

  • receive a bioimpedance signal from at least one bioimpedance sensor;

    receive a water fraction signal from at least one optical water fraction sensor;

    determine a tissue hydration based on the water fraction signal; and

    determine a physiological parameter value based on the bioimpedance signal and a correction factor, wherein the correction factor is based on the tissue hydration.

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