Systems and methods for processing sensor data

  • US 10,506,982 B2
  • Filed: 05/22/2013
  • Issued: 12/17/2019
  • Est. Priority Date: 12/17/2007
  • Status: Active Grant
First Claim
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1. A system for processing continuous analyte sensor data, comprising:

  • a continuous analyte sensor configured to continuously measure a concentration of an analyte in a host;

    a computer system configured to receive sensor data from the continuous analyte sensor and to calibrate sensor data using calibration information, which is derived from an existing calibration set comprising a plurality of matched data pairs, each matched data pair comprising an analyte sensor signal and a corresponding analyte concentration, wherein the computer system is further configured to determine a predictive accuracy of the calibrated sensor data, wherein the predictive accuracy is a measure of an accuracy of prediction of a newly received matched data pair based on the calibration information derived from the existing calibration set that does not contain the newly received matched data pair, to compare the determined predictive accuracy with one or more accuracy level thresholds to produce an accuracy output, and to output the accuracy output; and

    an insulin delivery device controlled by insulin delivery instructions and/or insulin therapy instructions to control insulin delivery, wherein the insulin delivery instructions and/or insulin therapy instructions are based at least in part on the accuracy output.

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