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US 10,702,193 B2Granted
Analyte sensing biointerface
AssigneeDexCom, Inc.
InventorsPeter C. Simpson, James H. Brauker
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Abstract
Disclosed herein is an analyte sensing biointerface that comprises a sensing electrode incorporated within a non-conductive matrix comprising a plurality of passageways extending through the matrix to the sensing electrode. Also disclosed herein are methods of manufacturing a sensing biointerface and methods of detecting an analyte within tissue of a host using an analyte sensing biointerface.
Claims20
A transcutaneous continuous glucose sensor system comprising:
- a substantially planar sensor, the sensor comprising:
- a first conductive layer associated with a first electrode;
- a first non-conductive layer located at least in part over the first conductive layer;
- a second conductive layer associated with a second electrode, wherein the second conductive layer is located at least in part over the first non-conductive layer;
- a second non-conductive layer located at least in part over the second conductive layer;
- a third conductive layer associated with a third electrode, wherein the third conductive layer is located at least in part over the second non-conductive layer;
- and
- a membrane located over at least a portion of a working electrode;
- wherein at least one of the first electrode, the second electrode, or the third electrode is the working electrode, and wherein the working electrode is configured to measure a signal indicative of a glucose concentration.
6 more elements
A transcutaneous continuous glucose sensor system, comprising:
- a substantially planar sensor, the sensor comprising:
- a first conductive layer associated with a first electrode, wherein the first electrode is a counter electrode;
- a first non-conductive layer located over at least a portion of the first conductive layer;
- a second conductive layer associated with a second electrode, wherein the second conductive layer is located over at least a portion of the first non-conductive layer, wherein the second electrode is a working electrode;
- a second non-conductive layer located over at least a portion of the second conductive layer;
- a third conductive layer associated with a third electrode, wherein the third conductive layer is located over at least a portion of the second non-conductive layer, wherein the third electrode is a reference electrode;
- and
- a membrane located over at least a portion of the working electrode.
5 more elements
Dependencies are inferred from the claim text.