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ENHANCED INTERFERENCE MEMBRANE FOR A WORKING ELECTRODE OF A CONTINUOUS BIOLOGICAL SENSOR

  • US 20190310219A1
  • Filed: 04/05/2019
  • Published: 10/10/2019
  • Est. Priority Date: 04/06/2018
  • Status: Abandoned Application
First Claim
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1. A subcutaneous sensor for use with a continuous metabolic monitor for a patient, comprising:

  • a working electrode further comprising;

    a conductive substrate;

    an enzyme membrane comprising an enzyme selected for a target metabolic function;

    an interference membrane between the conductive substrate and the enzyme membrane, the interference membrane being conformally deposited on the substrate surface; and

    a glucose limiting layer applied over the enzyme layer that limits the number of glucose molecules from a patient'"'"'s blood or ISF that are transferred to the enzyme layer;

    a reference electrode; and

    wherein the interference membrane is constructed to be (1) non-electron conducting, (2) ion permeable, and (3) permselective for molecular weight.

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