Electrochemical test sensor
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United States of America Patent
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Oct 10, 2006
Issued Date -
N/A
app pub date -
Nov 1, 2004
filing date -
Mar 7, 2002
priority date (Note) -
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Abstract
Disclosed is an electrochemical sensor for the determination of analytes in body fluids, e.g. glucose in blood. The sensor involves a non-conductive base which provides a flow path for the body fluid with the base having a working and counter electrode on its surface which are in electrical communication with a detector of current. The base and a cover therefore provide a capillary space containing the electrodes into which the body fluid is drawn by capillary action. The counter electrode has a sub-element which contains an electroactive material and is configured in the system (sensor and meter) to provide an error signal when insufficient body fluid is drawn into the capillary.
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