ADVANCED ANALYTE SENSOR CALIBRATION AND ERROR DETECTION

    公开(公告)号:US20210000394A1

    公开(公告)日:2021-01-07

    申请号:US17026852

    申请日:2020-09-21

    Applicant: DexCom, Inc.

    Abstract: Systems and methods for processing sensor data and self-calibration are provided. In some embodiments, systems and methods are provided which are capable of calibrating a continuous analyte sensor based on an initial sensitivity, and then continuously performing self-calibration without using, or with reduced use of, reference measurements. In certain embodiments, a sensitivity of the analyte sensor is determined by applying an estimative algorithm that is a function of certain parameters. Also described herein are systems and methods for determining a property of an analyte sensor using a stimulus signal. The sensor property can be used to compensate sensor data for sensitivity drift, or determine another property associated with the sensor, such as temperature, sensor membrane damage, moisture ingress in sensor electronics, and scaling factors.

    Sensor holder device for invasive biosensors

    公开(公告)号:US10827958B2

    公开(公告)日:2020-11-10

    申请号:US15362955

    申请日:2016-11-29

    Applicant: DexCom, Inc.

    Abstract: In some examples, a sensor holder device is described. The sensor holder device may include a rigid body, a set legs attached to the rigid body, a sensor guiding structure, a sensor retaining structure, and an electrical trace. The sensor retaining structure may be sized to accommodate a sensor wire. The electrical trace may extend proximate the sensor retaining structure and along one of the legs.

    Analyte sensing biointerface
    167.
    发明授权

    公开(公告)号:US10702193B2

    公开(公告)日:2020-07-07

    申请号:US16742848

    申请日:2020-01-14

    Applicant: DexCom, Inc.

    Abstract: Disclosed herein is an analyte sensing biointerface that comprises a sensing electrode incorporated within a non-conductive matrix comprising a plurality of passageways extending through the matrix to the sensing electrode. Also disclosed herein are methods of manufacturing a sensing biointerface and methods of detecting an analyte within tissue of a host using an analyte sensing biointerface.

    SYSTEM AND METHODS FOR PROCESSING ANALYTE SENSOR DATA FOR SENSOR CALIBRATION

    公开(公告)号:US20200085355A1

    公开(公告)日:2020-03-19

    申请号:US16691252

    申请日:2019-11-21

    Applicant: DexCom, Inc.

    Abstract: Systems and methods for processing sensor analyte data are disclosed, including initiating calibration, updating calibration, evaluating clinical acceptability of reference and sensor analyte data, and evaluating the quality of sensor calibration. The sensor can be calibrated using a calibration set of one or more matched sensor and reference analyte data pairs. Reference data resulting from benchtop testing an analyte sensor prior to its insertion can be used to provide initial calibration of the sensor data. Reference data from a short term continuous analyte sensor implanted in a user can be used to initially calibrate or update sensor data from a long term continuous analyte sensor.

    SYSTEM AND METHODS FOR PROCESSING ANALYTE SENSOR DATA FOR SENSOR CALIBRATION

    公开(公告)号:US20200085354A1

    公开(公告)日:2020-03-19

    申请号:US16690977

    申请日:2019-11-21

    Applicant: DexCom, Inc.

    Abstract: Systems and methods for processing sensor analyte data are disclosed, including initiating calibration, updating calibration, evaluating clinical acceptability of reference and sensor analyte data, and evaluating the quality of sensor calibration. The sensor can be calibrated using a calibration set of one or more matched sensor and reference analyte data pairs. Reference data resulting from benchtop testing an analyte sensor prior to its insertion can be used to provide initial calibration of the sensor data. Reference data from a short term continuous analyte sensor implanted in a user can be used to initially calibrate or update sensor data from a long term continuous analyte sensor.

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