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Analytical system for monitoring a substance to be analyzed in patient-blood

  • US 5,507,288 A
  • Filed: 05/03/1995
  • Issued: 04/16/1996
  • Est. Priority Date: 05/05/1994
  • Status: Expired due to Term
First Claim
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1. An analytical system for monitoring and analyzing a concentration of a substance in a blood sample of a patient, said system comprising:

  • at least one analysis element containing a reagent thereupon, said reagent for reacting with the substance in the blood when said at least one analysis element has been brought in contact with the sample, thereby causing a measurable change in the analysis element which correlates with the concentration of the substance;

    an evaluation instrument having a measuring device therein, said measuring device for measuring the measurable change in the analysis element, the evaluation instrument also including an evaluation means for determining sample-analysis data from the measured change;

    said analytical system further comprisinga portable sensor unit configured to be carried on the patient, said portable sensor unit including a first sensor means for non-invasive determination of a measured value of a parameter correlating with the concentration of the substance in the blood of the patient, said portable sensor unit also including a transmitter means for wireless transmission of data signals representing the non-invasively measured parameter; and

    sensor analysis means for ascertaining sensor-analysis data from the measured values of the parameter by the first sensor means;

    said evaluation instrument further comprising a receiver means for wirelessly receiving the data signals from the sensor unit, calibration means for calibrating the sensor-analysis data based upon the sample-analysis data, and a data memory means coupled to said calibration means for storing data therein.

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