ANALYTE SENSOR

  • US 20080197024A1
  • Filed: 03/25/2008
  • Published: 08/21/2008
  • Est. Priority Date: 12/05/2003
  • Status: Abandoned Application
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First Claim
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1. A system for continuously detecting an analyte in a host in vivo comprising:

  • a vascular access device configured for fluid communication with a circulatory system of a host; and

    a continuous analyte sensor, the sensor comprising a first working electrode disposed beneath an active enzymatic portion of a sensor membrane and configured to generate a first signal associated with associated with the analyte and non-analyte related electroactive compounds having a first oxidation potential, and a second working electrode disposed beneath an inactive-enzymatic or a non-enzymatic portion of the sensor membrane and configured to generate a second signal associated with noise of the analyte sensor, wherein the noise comprises signal contribution due to non-analyte related electroactive species with an oxidation potential that substantially overlaps with the first oxidation potential.

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