Method and apparatus for background current arrangements for a biosensor
First Claim
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1. A method for forming an adjusted analyte sensor value, comprising:
- determining by a computing device for an analyte sensor an initial analyte sensor value using an initial background current value;
adjusting by the computing device the initial background current value by a factor based on the determined initial analyte sensor value to form an adjusted background current value; and
forming by the computing device an adjusted analyte sensor 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
19 Claims
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1. A method for forming an adjusted analyte sensor value, comprising:
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determining by a computing device for an analyte sensor an initial analyte sensor value using an initial background current value; adjusting by the computing device the initial background current value by a factor based on the determined initial analyte sensor value to form an adjusted background current value; and forming by the computing device an adjusted analyte sensor value using the adjusted background current value. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. An apparatus comprising:
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a storage medium having stored therein a plurality of programming instructions designed to enable the apparatus, as a result of execution of the programming instructions, to determine for an analyte sensor in use an initial analyte sensor value using an initial background current value, adjust the initial background current value by a factor based on the determined initial analyte sensor value to form an adjusted background current value, and form an adjusted analyte sensor 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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19. An article of manufacture including a computer-readable medium having instructions stored thereon that, in response to execution by a computing device, cause the computing device to perform a method comprising:
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determining by the computing device for an analyte sensor an initial analyte sensor value using an initial background current value; adjusting by the computing device the initial background current value by a factor based on the determined initial analyte sensor value to form an adjusted background current value; and forming by the computing device an adjusted analyte sensor value using the adjusted background current value.
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Specification