Method and Apparatus for Implementing Threshold Based Correction Functions for Biosensors
First Claim
1. A method for implementing threshold based correction functions for a biosensor comprising the steps of:
- applying a sample to the biosensor and obtaining a primary measurement of an analyte value;
obtaining a secondary measurement of a secondary effect;
comparing said secondary measurement of the secondary effect with a threshold value;
responsive to said compared values, identifying a correction function; and
applying said identified correction function to said primary measurement to provide a corrected analyte value.
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Abstract
A biosensor system, method and apparatus are provided for implementing threshold based correction functions for biosensors. A primary measurement of an analyte value is obtained. A secondary measurement of a secondary effect is obtained and is compared with a threshold value. A correction function is identified responsive to the compared values. The correction function is applied to the primary measurement of the analyte value to provide a corrected analyte value. The correction method uses correction curves that are provided to correct for an interference effect. The correction curves can be linear or non-linear. The correction method provides different correction functions above and below the threshold value. The correction functions may be dependent or independent of the primary measurement that is being corrected. The correction functions may be either linear or nonlinear.
36 Citations
23 Claims
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1. A method for implementing threshold based correction functions for a biosensor comprising the steps of:
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applying a sample to the biosensor and obtaining a primary measurement of an analyte value; obtaining a secondary measurement of a secondary effect; comparing said secondary measurement of the secondary effect with a threshold value; responsive to said compared values, identifying a correction function; and applying said identified correction function to said primary measurement to provide a corrected analyte value. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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20. Apparatus for implementing threshold based correction functions comprising:
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a biosensor for receiving a sample; a processor coupled to said biosensor;
said processor responsive to said biosensor for receiving the sample for obtaining a primary measurement of an analyte value;said processor for obtaining a secondary measurement of a secondary effect; said processor for comparing said secondary measurement of the secondary effect with a threshold value; said processor responsive to said compared values, for identifying a correction function; and said processor for applying said identified correction function to said primary measurement to provide a corrected analyte value - View Dependent Claims (21, 22, 23)
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Specification