Dual electrode system for a continuous analyte sensor

  • US 9,504,413 B2
  • Filed: 04/15/2013
  • Issued: 11/29/2016
  • Est. Priority Date: 10/04/2006
  • Status: Active Grant
First Claim
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1. A continuous glucose sensor configured and arranged for insertion into a host for and detecting glucose in the host, the sensor comprising:

  • a first working electrode comprising a first electroactive surface, wherein the first working electrode is configured to generate a first signal, wherein the first working electrode is configured to switch from a first bias potential to a second bias potential, wherein the first bias potential is a glucose measurement potential and the second bias potential is a non-glucose-measurement potential;

    a second working electrode comprising a second electro active surface wherein the second working electrode is configured to generate a second signal; and

    sensor electronics configured to compare the first signal with the second signal and determine a level of glucose in the host based at least in part on the comparison of the first signal with the second signal.

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