DEVICE AND METHOD FOR DETERMINING ANALYTE LEVELS

  • US 20100204555A1
  • Filed: 04/19/2010
  • Published: 08/12/2010
  • Est. Priority Date: 03/04/1997
  • Status: Active Grant
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First Claim
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1. A system for processing sensor data from a continuous analyte sensor, comprising:

  • a sensing mechanism comprising an electrode configured for implantation in a subcutaneous tissue of a host, wherein the sensing mechanism is configured to continuously measure an analyte concentration, whereby sensor data associated with the subcutaneous analyte concentration is generated; and

    electronic circuitry operably connected to the sensing mechanism and configured to provide an initial in vivo calibration of the sensor data for an initial calibration time period using only pre-implant calibration information, wherein the electronic circuitry is further configured to perform periodic recalibration after the initial calibration time period, and wherein the system is configured to provide a substantially accurate measurement of the analyte concentration in the host such that at least 95% of calibrated sensor analyte values are within 25% of actual analyte values during and after the initial calibration time period.

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