METHOD FOR DISTINGUISHING ELECTROCHEMICAL SENSORS
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Abstract
A method for distinguishing between types of electrochemical test sensors in a meter is disclosed. The method comprises the acts of providing an electrochemical test sensor comprising an enzyme and a chemical additive, contacting the test sensor to the meter to form an electrical connection, applying a potential having a magnitude sufficient to initiate a redox reaction of the chemical additive, and determining which type of electrochemical test sensor is being used based on whether a predetermined signal has been generated after the potential has been applied. The meter is adapted to determine an analyte concentration in a fluid sample.
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Citations
49 Claims
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1-26. -26. (canceled)
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27. A method of determining a type of electrochemical test sensor used with an instrument configured to be used in determining at least one analyte concentration in a fluid sample, the method comprising the acts of:
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forming an electrical connection between an electrochemical test sensor and the instrument, the electrochemical test sensor including an enzyme and a chemical marker; applying a potential having a magnitude sufficient to initiate a redox reaction of the chemical marker and insufficient to determine the at least one analyte concentration, the potential being applied by the instrument; and determining which test sequence corresponds with the electrochemical test sensor based on an amount of current generated in response to the potential being applied. - View Dependent Claims (28, 29, 30, 31, 32, 33, 34, 35)
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36. A method for calibrating an instrument configured to be used with an electrochemical test sensor to determine at least one analyte concentration in a fluid sample, the method comprising the acts of:
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activating the instrument to apply a potential to the electrochemical test sensor, the electrochemical test sensor including an enzyme and a chemical marker; applying the potential to the electrochemical test sensor to generate a predetermined signal; determining a test sequence associated with the electrochemical test sensor based on the predetermined signal; and applying the test sequence, the test sequence being used in determining the at least one analyte concentration. - View Dependent Claims (37, 38, 39, 40, 41, 42, 43)
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44. A method for determining the concentration of an analyte in a fluid sample, the method comprising the acts of:
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contacting an electrochemical test sensor to an instrument to form an electrical connection, the electrochemical test sensor including an enzyme, the instrument being adapted to determine an analyte concentration in a fluid sample; applying a potential, the potential being applied by the instrument; determining which type of electrochemical test sensor is being used based on whether a predetermined signal is generated in response to the potential being applied, the predetermined signal resulting from a redox reaction of a chemical marker included in at least one type of electrochemical test sensor; and applying a test sequence corresponding to the determined electrochemical test sensor type. - View Dependent Claims (45, 46, 47, 48, 49)
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Specification