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Methods and systems for determining fluid content of tissue

  • US 9,572,512 B2
  • Filed: 02/12/2015
  • Issued: 02/21/2017
  • Est. Priority Date: 12/01/2009
  • Status: Active Grant
First Claim
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1. A diagnostic apparatus, comprising:

  • one or more antennas configured to be disposed on a thorax of a body of a patient so as to direct radio frequency (RF) electromagnetic waves through a lung in the body and to output signals responsively to the RF electromagnetic waves that have passed through the lung; and

    processing circuitry configured to;

    process the signals to determine a path characteristic of the RF electromagnetic waves,compare the path characteristic to one or more benchmark path characteristic values corresponding to identified levels of fluid content of lungs, anddetermine fluid content of the lung based on the comparison.

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