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System and method for continuously monitoring and presenting body substances

  • US 9,763,610 B2
  • Filed: 12/22/2010
  • Issued: 09/19/2017
  • Est. Priority Date: 12/30/2009
  • Status: Active Grant
First Claim
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1. A medical monitoring system for continuous monitoring of the glucose level and the lactate level of a critical care patient, wherein the monitoring system comprises:

  • a display unit,a microdialysis or ultrafiltration catheter comprising an intracorporeal membrane,a first extracorporeal sensor in connection with the catheter, said sensor comprising at least one glucose electrode, at least one lactate electrode, and at least first and second blank electrodes, wherein in the direction of liquid flow past the sensor, the first blank electrode precedes the glucose electrode and the lactate electrode, and the second blank electrode follows the glucose electrode and the lactate electrode,a first unit, connected to the sensor and the display unit, adapted to;

    receive a first glucose signal based on the level of glucose in an analyte from the patient measured by the sensor,transform the glucose signal into a graphically displayable glucose signal, andtransmit the graphically displayable glucose signal to the display unit of the monitoring system,a second unit, connected to the sensor and the display unit, adapted to;

    receive a first lactate signal based on the level of lactate in an analyte from the patient measured by the sensor,transform the lactate signal into a graphically displayable lactate signal, andtransmit the graphically displayable lactate signal to the display unit of the monitoring system,an alarm system related to at least one of the glucose value and the lactate value, wherein the alarm system has a definable threshold value and is adapted to be triggered by a glucose or lactate value being above, on or below the threshold value, anda cross-talk alarm system related to cross-talk between the first blank electrode and the second blank electrode, wherein the cross-talk alarm system has a first predefined cross-talk threshold value and is adapted to be triggered by a difference between first and second values, based on signals from the first blank electrode and the second blank electrode, the difference being greater than the first predefined cross-talk threshold value.

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