Signal processing for continuous analyte sensor
First Claim
1. A method for processing sensor data from a continuous analyte sensor, the method comprising:
- receiving sensor data from a continuous analyte sensor measuring an analyte concentration of a host for a first time period, wherein the sensor data comprises at least one sensor data point;
determining, using one or more processors, a range of possible analyte values for the host at a point in time based at least in part on the sensor data point; and
providing, using the one or more processors, an output based at least in part on the sensor data point, wherein the output comprises a representation of the range of possible analyte values for the host at the point in time.
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Abstract
Systems and methods for dynamically and intelligently estimating analyte data from a continuous analyte sensor, including receiving a data stream, selecting one of a plurality of algorithms, and employing the selected algorithm to estimate analyte values. Additional data processing includes evaluating the selected estimative algorithms, analyzing a variation of the estimated analyte values based on statistical, clinical, or physiological parameters, comparing the estimated analyte values with corresponding measure analyte values, and providing output to a user. Estimation can be used to compensate for time lag, match sensor data with corresponding reference data, warn of upcoming clinical risk, replace erroneous sensor data signals, and provide more timely analyte information encourage proactive behavior and preempt clinical risk.
707 Citations
37 Claims
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1. A method for processing sensor data from a continuous analyte sensor, the method comprising:
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receiving sensor data from a continuous analyte sensor measuring an analyte concentration of a host for a first time period, wherein the sensor data comprises at least one sensor data point; determining, using one or more processors, a range of possible analyte values for the host at a point in time based at least in part on the sensor data point; and providing, using the one or more processors, an output based at least in part on the sensor data point, wherein the output comprises a representation of the range of possible analyte values for the host at the point in time. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. A system for estimating an analyte value from a continuous analyte sensor, the system comprising:
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an input module configured to operatively connect to a continuous analyte sensor measuring an analyte concentration of a host, wherein the input module is configured to receive sensor data from the continuous analyte sensor for a first time period, wherein the sensor data comprises at least one sensor data point; a processor module that determines a range of possible analyte values for the host at a point in time based at least in part on the sensor data point; and an output module that provides output based on the sensor data, wherein the output comprises a representation of the range of possible analyte values for the host at the point in time. - View Dependent Claims (18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37)
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Specification