Method and device for early signal attenuation detection using blood glucose measurements
First Claim
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1. A method, comprising:
- receiving prior analyte sensor data;
receiving present analyte sensor data from an analyte sensor;
receiving reference measurement values associated with an analyte level;
determining sensitivity values based on the received prior and present analyte sensor data and the reference measurement values;
determining a sensitivity parameter of the analyte sensor based on the determined sensitivity values;
performing a probability analysis, using a probability distribution function, of the determined sensitivity parameter to determine a presence of a signal attenuation condition of the analyte sensor; and
generating an output value based on the probability analysis.
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Abstract
Methods and devices to detect analyte in body fluid are provided. Embodiments include receiving one or more analyte sensor data, receiving a reference measurement value associated with an analyte level, determining a sensitivity parameter based on the received one or more analyte sensor data and the reference measurement value, performing a probability analysis based on prior analyte sensor data to determine presence of signal attenuation, and generating an output value based on the probability analysis.
1367 Citations
20 Claims
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1. A method, comprising:
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receiving prior analyte sensor data; receiving present analyte sensor data from an analyte sensor; receiving reference measurement values associated with an analyte level; determining sensitivity values based on the received prior and present analyte sensor data and the reference measurement values; determining a sensitivity parameter of the analyte sensor based on the determined sensitivity values; performing a probability analysis, using a probability distribution function, of the determined sensitivity parameter to determine a presence of a signal attenuation condition of the analyte sensor; and generating an output value based on the probability analysis. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 17, 18)
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10. An apparatus, comprising:
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a data communication interface; one or more processors operatively coupled to the data communication interface; and a memory for storing instructions which, when executed by the one or more processors, causes the one or more processors to receive prior analyte sensor data, receive present analyte sensor data from an analyte sensor, receive reference measurement values associated with an analyte level, determine sensitivity values based on the received prior and present analyte sensor data and the reference measurement values, determine a sensitivity parameter of the analyte sensor based on the determined sensitivity values, perform a probability analysis, using a probability distribution function, of the determined sensitivity parameter to determine a presence of a signal attenuation condition of the analyte sensor, and generate an output value based on the probability analysis. - View Dependent Claims (11, 12, 13, 14, 15, 16, 19, 20)
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Specification