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DEVICE FOR MONITORING FLUID STATUS

  • US 20080188730A1
  • Filed: 04/07/2008
  • Published: 08/07/2008
  • Est. Priority Date: 08/02/2004
  • Status: Active Grant
First Claim
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1. A device, comprising:

  • an exciter for outputting an excitation current waveform and impressing a current field between a pair of excitation current electrodes;

    voltage sensing circuitry for sensing a voltage difference signal between a pair of voltage sense electrodes disposed in a patient'"'"'s blood and in the current field;

    means for measuring the electrolyte concentration in the patient'"'"'s blood; and

    ,a controller interfaced to the voltage sensing circuitry which is programmed to estimate the patient'"'"'s hematocrit from the voltage difference signal and the measured electrolyte concentration.

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