Systems and methods for replacing signal artifacts in a glucose sensor data stream

  • US 8,128,562 B2
  • Filed: 10/14/2009
  • Issued: 03/06/2012
  • Est. Priority Date: 08/22/2003
  • Status: Active Grant
First Claim
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1. In a glucose sensing system comprising a glucose sensor configured for producing an output representative of glucose concentration in a host and processing circuitry configured to process the output, a method for processing data from the output, the method comprising:

  • generating, using a processing module, at least one calibrated data stream of glucose concentration values from the glucose sensor output;

    calculating, using the processing module, a range of glucose concentration values based at least in part on at least one calibrated historical data stream value, wherein the range of glucose concentration values comprises at least one limit value;

    replacing, using the processing module, at least one calibrated data stream value with the at least one limit value when the calibrated data stream value is outside the limit value; and

    displaying the limit value to the user of the glucose sensing system.

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