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    ANALYTE SENSOR WITH IMPEDANCE DETERMINATION
    12.
    发明申请
    ANALYTE SENSOR WITH IMPEDANCE DETERMINATION 审中-公开

    公开(公告)号：US20200205694A1

    公开(公告)日：2020-07-02

    申请号：US16728652

    申请日：2019-12-27

    Applicant: DexCom, Inc.

    Inventor： Sebastian Bohm ,  Anna Claire Harley-Trochimczyk ,  Daiting Rong ,  Rui Ma ,  Wenjie Lan ,  Minglian Shi ,  Disha B. Sheth

    IPC: A61B5/053 ,  G01N33/487

    Abstract: Various examples are directed to systems and methods for operating an analyte sensor system using sensor electronics. An example method may comprise applying a bias voltage change to an analyte sensor bias voltage and measuring a current value for each of a plurality of time periods after application of the bias voltage change. The example method may also comprise determining an estimated impedance using the current values for the plurality of time periods and determining a characteristic of the analyte sensor using the estimated impedance. The example method may further comprise receiving from the analyte sensor a signal indicative of an analyte concentration, and determining an estimated analyte concentration level using the determined characteristic of the analyte sensor and the received signal.

    ANALYTE SENSOR WITH IMPEDANCE DETERMINATION
    18.
    发明申请
    ANALYTE SENSOR WITH IMPEDANCE DETERMINATION 审中-公开

    公开(公告)号：US20200205702A1

    公开(公告)日：2020-07-02

    申请号：US16728765

    申请日：2019-12-27

    Applicant: DexCom, Inc.

    Inventor： Sebastian Bohm ,  Anna Claire Harley-Trochimczyk ,  Daiting Rong ,  Rui Ma ,  Wenjie Lan ,  Minglian Shi ,  Disha B. Sheth ,  Nicholas Kalfas ,  Vincent P. Crabtree ,  Kamuran Turksoy

    IPC: A61B5/1495 ,  A61B5/1486

    Abstract: Various examples are directed to systems and methods of and using analyte sensors. An example analyte sensor system comprises an analyte sensor and a hardware device in communication with the analyte sensor. The hardware device may be configured to perform operations comprising applying a first bias voltage to the analyte sensor, the first bias voltage less than an operational bias voltage of the analyte sensor, measuring a first current at the analyte sensor when the first bias voltage is applied, and applying a second bias voltage to the analyte sensor. The operations may further comprise measuring a second current at the analyte sensor when the second bias voltage is applied, detecting a plateau bias voltage using the first current and the second current, determining that the plateau bias voltage is less than a plateau bias voltage threshold, and executing a responsive action at the analyte sensor.

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