Method and apparatus for background current arrangements for a biosensor
First Claim
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1. A method, comprising:
- determining by a computing device an initial background current value of an analyte sensor;
determining by the computing device for the analyte sensor an initial analyte sensor output value using the initial background current value;
adjusting by the computing device the initial background current value by a factor based on the determined initial analyte sensor output value to form an adjusted background current value; and
forming by the computing device an adjusted analyte sensor output value using the adjusted background current value.
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Abstract
Embodiments of the present invention provide for raising a background current setting for a biosensor above the actual (measured) background current present (i.e., overestimating the background current), particularly in the hypoglycemic range, to improve sensor accuracy and decrease the chance of glucose value overestimation by the sensor.
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Citations
16 Claims
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1. A method, comprising:
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determining by a computing device an initial background current value of an analyte sensor; determining by the computing device for the analyte sensor an initial analyte sensor output value using the initial background current value; adjusting by the computing device the initial background current value by a factor based on the determined initial analyte sensor output value to form an adjusted background current value; and forming by the computing device an adjusted analyte sensor output value using the adjusted background current value. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. An apparatus comprising:
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a storage medium having stored therein a plurality of programming instructions designed to enable the apparatus, when the programming instructions are executed, to determine an initial background current value of an analyte sensor, determine for the analyte sensor in use an initial analyte sensor output value using the initial background current value, adjust the initial background current value by a factor based on the determined initial analyte sensor output value to form an adjusted background current value, and form an adjusted analyte sensor output value using the adjusted background current value; and a processor coupled to the storage medium to execute the plurality of programming instructions.
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Specification