Method and system for providing calibration of an analyte sensor in an analyte monitoring system
First Claim
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1. A method of measuring an analyte level, comprising:
- applying, using sensor electronics, a control signal to an analyte sensor;
measuring, using the sensor electronics, a response to the control signal applied to the sensor;
determining, using the sensor electronics, an estimated sensor sensitivity based on a variance in the measured response to the control signal applied to the analyte sensor;
calibrating, using the sensor electronics, the analyte sensor using the estimated sensor sensitivity;
receiving, using the sensor electronics, a sensor data signal from the analyte sensor; and
determining, using the sensor electronics, an analyte level based on the received sensor data signal.
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Abstract
Method and apparatus for providing calibration of analyte sensor including applying a control signal, detecting a measured response to the control signal, determining a variance in the detected measured response, and estimating a sensor sensitivity based on the variance in the detected measured response is provided.
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Citations
20 Claims
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1. A method of measuring an analyte level, comprising:
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applying, using sensor electronics, a control signal to an analyte sensor; measuring, using the sensor electronics, a response to the control signal applied to the sensor; determining, using the sensor electronics, an estimated sensor sensitivity based on a variance in the measured response to the control signal applied to the analyte sensor; calibrating, using the sensor electronics, the analyte sensor using the estimated sensor sensitivity; receiving, using the sensor electronics, a sensor data signal from the analyte sensor; and determining, using the sensor electronics, an analyte level based on the received sensor data signal. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A system for monitoring analyte concentration, comprising:
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an analyte sensor; a processor operatively coupled to the analyte sensor; and a memory coupled to the processor, the memory storing processor executable instructions to; apply a control signal to the analyte sensor; measure a response to the control signal; determine an estimated sensor sensitivity based on a variance in the measured response to the control signal applied to the analyte sensor; calibrate the analyte sensor using the estimated sensor sensitivity; receive a sensor data signal from the analyte sensor; and determine an analyte level based on the received sensor data signal. - View Dependent Claims (10, 11, 12, 13, 14, 15)
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16. An analyte monitoring system, comprising:
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an on-body device including an analyte sensor and sensor electronics operatively coupled to the sensor; and a receiver operative to receive sensor data from the on-body device; wherein the sensor electronics is operative to apply a control signal to the analyte sensor, detect a measured response to the control signal, and transmit the measured response and sensor data to the receiver, and wherein the receiver is operative to determine a variance in the detected measured response, estimate a sensitivity of the analyte sensor based on the variance in the detected measured response, and determine an analyte level based on the received sensor data. - View Dependent Claims (17, 18, 19, 20)
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Specification