System and methods for processing analyte sensor data
First Claim
1. A computer system for initializing a continuous glucose sensor, the computer system comprising:
- a sensor data receiving module configured to receive sensor data from the substantially continuous glucose sensor, including one or more sensor data points; and
a start-up determination module configured to determine a stability of the continuous glucose sensor in real-time, wherein said start-up determination module evaluates a sensitivity associated with the substantially continuous glucose sensor and initializes calibration responsive to a predetermined level of stability.
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Abstract
Systems and methods for processing sensor analyte data, including initiating calibration, updating calibration, evaluating clinical acceptability of reference and sensor analyte data, and evaluating the quality of sensor calibration. During initial calibration, the analyte sensor data is evaluated over a period of time to determine stability of the sensor. The sensor may be calibrated using a calibration set of one or more matched sensor and reference analyte data pairs. The calibration may be updated after evaluating the calibration set for best calibration based on inclusion criteria with newly received reference analyte data. Fail-safe mechanisms are provided based on clinical acceptability of reference and analyte data and quality of sensor calibration. Algorithms provide for optimized prospective and retrospective analysis of estimated blood analyte data from an analyte sensor.
624 Citations
32 Claims
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1. A computer system for initializing a continuous glucose sensor, the computer system comprising:
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a sensor data receiving module configured to receive sensor data from the substantially continuous glucose sensor, including one or more sensor data points; and a start-up determination module configured to determine a stability of the continuous glucose sensor in real-time, wherein said start-up determination module evaluates a sensitivity associated with the substantially continuous glucose sensor and initializes calibration responsive to a predetermined level of stability. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A method for initializing a substantially continuous glucose sensor, the method comprising:
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receiving sensor data from a substantially continuous glucose sensor, including one or more sensor data points; determining, using an electronic system, a stability of the substantially continuous glucose sensor by evaluating a sensitivity associated with the continuous glucose sensor; and initializing calibration of the sensor data responsive to a predetermined level of stability. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20, 21)
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22. A system for processing data from a continuous glucose sensor, comprising;
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a sensor data module operatively linked to a continuous glucose sensor and configured to receive sensor data from said sensor; and a processor module associated with the sensor data module and programmed to evaluate a stability of the continuous glucose sensor, wherein the processor module is further programmed to initiate start-up calibration of said sensor data responsive to a predetermined level of stability, and wherein said processor module is programmed to evaluate a sensitivity associated with the continuous glucose sensor to determine the stability. - View Dependent Claims (23, 24, 25, 26, 27, 28, 29, 30, 31, 32)
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Specification