Patent · US Active

Electrochemical sensor having symmetrically distributed analyte sensitive areas

US9084570B2 · kind B2 · utility

1Cited by

3References

30Claims

0Family size

Assignee

Roche Diagnostics Operations, Inc. · US

Inventors

Harvey Buck · Indianapolis, US
Georgeta Lica · Indianapolis, US
Karl-Heinz Koelker · Havelsee, DE
Ewald Rieger · Frankenthal (Pfalz), DE

Key dates

Filing date	Oct 8, 2010
Grant date	Jul 21, 2015
Priority date	—
Expiry date	Nov 24, 2033

Classification

Technology area (CPC G)Physics
CPC primaryG01N27/301
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

The present invention provides an electrochemical sensor that employs multiple electrode areas that are exposed for contact with a body fluid, e.g., when the sensor is inserted subcutaneously into a patient's skin. The exposed electrode areas are arranged symmetrically, such that a symmetrical potential distribution is produced when an AC signal is applied to the sensor. The sensors in accordance with these teachings can advantageously be used with AC signals to determine characteristics of the sensor and thus improve sensor performance. These teachings also provide a biocompatible sensor with multiple reference electrode areas that are exposed for contact with body fluid.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.