Analyte sensor with insertion monitor, and methods
First Claim
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1. A system for determining the concentration of an analyte in a sample, the system comprising:
- an analyte sensor for determining the concentration of an analyte in a sample, the sensor comprising an indicator monitor encoding calibration code; and
a meter configured for electrical connection to the indicator monitor and to read the calibration code.
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Abstract
A sensor, and methods of making, for determining the concentration of an analyte, such as glucose or lactate, in a biological fluid such as blood or serum, using techniques such as coulometry, amperometry, and potentiometry. The sensor includes a working electrode and a counter electrode, and can include an insertion monitoring trace to determine correct positioning of the sensor in a connector.
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Citations
19 Claims
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1. A system for determining the concentration of an analyte in a sample, the system comprising:
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an analyte sensor for determining the concentration of an analyte in a sample, the sensor comprising an indicator monitor encoding calibration code; and
a meter configured for electrical connection to the indicator monitor and to read the calibration code. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A sensor for determining a concentration of analyte, the sensor comprising:
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a first substrate having a first major surface and a second major surface opposing the first major surface;
a second substrate having a first major surface and a second major surface opposing the first major surface, the first and second substrates being disposed so that the first major surface of the first substrate is in facing relationship with the first major surface of the second substrate;
a working electrode disposed on the first major surface of the first substrate;
a counter electrode disposed on the first major surface of one of the first substrate and the second substrate, the working electrode and the counter electrode;
a sample chamber having the working electrode and counter electrode present therein;
an insertion monitor on one of the first and the second major surfaces of one of the first substrate and the second substrate, the insertion monitor including a conductive stripe extending across a width of the sensor strip and the insertion monitor providing encoded calibration information about the strip - View Dependent Claims (15, 16, 17, 18, 19)
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Specification