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Apparatus and methods for determining damaged tissue using sub-epidermal moisture measurements

  • US 10,182,740 B2
  • Filed: 04/20/2016
  • Issued: 01/22/2019
  • Est. Priority Date: 04/24/2015
  • Status: Active Grant
First Claim
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1. An apparatus for identifying damaged tissue in a patient, said apparatus comprisingone or more coaxial electrodes capable of interrogating tissue at and around an anatomical site of a patient,wherein each of said one or more coaxial electrodes is configured to generate bioimpedance signals;

  • a circuit electronically coupled to said one or more coaxial electrodes and configured to convert said bioimpedance signals into sub-epidermal moisture (SEM) values;

    a processor electronically coupled to said circuit and configured to receive said SEM values; and

    a non-transitory computer readable medium electronically coupled to said processor and comprising instructions stored thereon that when executed on said processor, perform the steps ofreceiving from said processor one of said SEM values measured at said anatomical site of a patient and at least two of said SEM values measured around said anatomical site and their relative measurement locations;

    determining a maximum SEM value from said SEM values measured at and around said anatomical site of a patient;

    determining a difference between said maximum SEM value and each of said SEM values measured at and around said anatomical site of a patient; and

    flagging said anatomical site associated with a difference greater than a predetermined threshold as damaged tissue.

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