Multiple electrode system for a continuous analyte sensor, and related methods
First Claim
1. An analyte sensor, comprising:
- a first working electrode, wherein the first working electrode is an enzyme electrode;
a second working electrode, wherein the second working electrode is a non-enzyme electrode; and
a membrane system overlying the first working electrode and the second working electrode, wherein the membrane system comprises a first portion over the first working electrode and a second portion over the second working electrode, wherein a permeability to hydrogen peroxide of the membrane system over the first working electrode is greater than a permeability to hydrogen peroxide of the membrane system over the second working electrode, and wherein the permeability to hydrogen peroxide of the membrane over the first working electrode and the permeability to hydrogen peroxide of the membrane system over the second working electrode are different by more than 5%.
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Accused Products
Abstract
In one embodiment, a continuous analyte sensor having more than one working electrode, and configured to reduce or eliminate crosstalk between the working electrodes. In another embodiment, a continuous analyte sensor having more than one working electrode, and configured so that a membrane system has equal thicknesses over each of the electrodes, despite having differing numbers of layers over each of the electrodes. In another embodiment, a configuration for connecting a continuous analyte sensor to sensor electronics. In another embodiment, methods for forming precise windows in an insulator material on a multi-electrode assembly. In another embodiment, a contact assembly for a continuous analyte sensor having more than one working electrode.
6 Citations
18 Claims
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1. An analyte sensor, comprising:
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a first working electrode, wherein the first working electrode is an enzyme electrode; a second working electrode, wherein the second working electrode is a non-enzyme electrode; and a membrane system overlying the first working electrode and the second working electrode, wherein the membrane system comprises a first portion over the first working electrode and a second portion over the second working electrode, wherein a permeability to hydrogen peroxide of the membrane system over the first working electrode is greater than a permeability to hydrogen peroxide of the membrane system over the second working electrode, and wherein the permeability to hydrogen peroxide of the membrane over the first working electrode and the permeability to hydrogen peroxide of the membrane system over the second working electrode are different by more than 5%. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
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Specification