Analyte sensor
First Claim
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1. A method for evaluating a change in a sensitivity of an implanted analyte sensor over a predetermined time period, comprising:
- receiving sensor data from an analyte sensor implanted in a host, wherein the implanted sensor is configured to generate sensor data, wherein the sensor data comprises one or more sensor analyte values measured in a biological sample of a host;
intermittently calculating a sensitivity of the analyte sensor; and
evaluating, using an electronic device, a change in sensitivity by evaluating a plurality of time-spaced sensitivity calculations over a predetermined time period, wherein evaluating a change in sensitivity is based at least in part on using a priori sensitivity information throughout a sensor session, wherein the a priori sensitivity information comprises sensitivity information that is used to generate an expected sensitivity profile that is a function of time.
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Abstract
Systems and methods of use for continuous analyte measurement of a host'"'"'s vascular system are provided. In some embodiments, a continuous glucose measurement system includes a vascular access device, a sensor and sensor electronics, the system being configured for insertion into communication with a host'"'"'s circulatory system.
651 Citations
14 Claims
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1. A method for evaluating a change in a sensitivity of an implanted analyte sensor over a predetermined time period, comprising:
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receiving sensor data from an analyte sensor implanted in a host, wherein the implanted sensor is configured to generate sensor data, wherein the sensor data comprises one or more sensor analyte values measured in a biological sample of a host; intermittently calculating a sensitivity of the analyte sensor; and evaluating, using an electronic device, a change in sensitivity by evaluating a plurality of time-spaced sensitivity calculations over a predetermined time period, wherein evaluating a change in sensitivity is based at least in part on using a priori sensitivity information throughout a sensor session, wherein the a priori sensitivity information comprises sensitivity information that is used to generate an expected sensitivity profile that is a function of time. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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Specification