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

  • US 8,005,525 B2
  • Filed: 10/14/2009
  • Issued: 08/23/2011
  • 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 current representative of a 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 a data stream from the glucose sensor output current;

    detecting a signal artifact by examining the data stream for high frequency content cycles above a predetermined threshold; and

    generating at least one estimated data stream or data stream portion to reduce or replace the detected signal artifact.

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