Dual electrode system for a continuous analyte sensor

  • US 20070093704A1
  • Filed: 10/04/2006
  • Published: 04/26/2007
  • Est. Priority Date: 12/05/2003
  • Status: Active Grant
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First Claim
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1. A glucose sensor system configured for insertion into a host for measuring a glucose concentration in the host, the sensor comprising:

  • a first working electrode configured to generate a first signal associated with glucose and non-glucose related electroactive compounds, the glucose and non-glucose related electroactive compounds having a first oxidation potential;

    a second working electrode configured to generate a second signal associated with noise of the glucose sensor comprising signal contribution due to non-glucose related electroactive compounds with an oxidation potential that substantially overlaps with the first oxidation potential; and

    electronics operably connected to the first working electrode and the second working electrode and configured to process the first signal and the second signal to generate a glucose concentration substantially without signal contribution due to non-glucose related noise.

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