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    SYSTEM AND METHODS FOR PROCESSING ANALYTE SENSOR DATA
    11.
    发明申请
    SYSTEM AND METHODS FOR PROCESSING ANALYTE SENSOR DATA 有权
    用于处理分析仪传感器数据的系统和方法

    公开(公告)号：US20140257067A1

    公开(公告)日：2014-09-11

    申请号：US14283123

    申请日：2014-05-20

    Applicant: DexCom, Inc.

    Inventor： Paul V. Goode, JR. ,  James H. Brauker ,  Apurv Ullas Kamath ,  James Patrick Thrower

    IPC: A61B5/145 ,  A61B5/00

    CPC classification number: A61B5/14532 ,  A61B5/0015 ,  A61B5/14865 ,  A61B5/1495 ,  A61B5/7275 ,  A61B5/742 ,  G16H40/40 ,  Y02A90/26

    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.

    Abstract translation: 用于处理传感器分析数据的系统和方法，包括启动校准，更新校准，评估参考和传感器分析数据的临床可接受性，以及评估传感器校准的质量。 在初始校准期间，在一段时间内评估分析物传感器数据，以确定传感器的稳定性。 可以使用一个或多个匹配的传感器和参考分析物数据对的校准集来校准传感器。 基于新收到的参考分析物数据的纳入标准，可以在评估用于最佳校准的校准集之后更新校准。 基于参考和分析物数据的临床可接受性和传感器校准的质量提供故障安全机制。 算法提供了来自分析物传感器的估计血液分析物数据的优化前瞻性和回顾性分析。

    Systems and methods for replacing signal artifacts in a glucose sensor data stream
    12.
    发明授权
    Systems and methods for replacing signal artifacts in a glucose sensor data stream 有权

    公开(公告)号：US11589823B2

    公开(公告)日：2023-02-28

    申请号：US16540000

    申请日：2019-08-13

    Applicant: DexCom, Inc.

    Inventor： Paul V. Goode ,  James H. Brauker ,  Arpurv U. Kamath ,  James Patrick Thrower ,  Victoria Carr-Brendel

    IPC: A61B5/00 ,  A61B5/145 ,  A61B5/1486 ,  A61B5/1473 ,  A61B5/1495

    Abstract: Systems and methods for minimizing or eliminating transient non-glucose related signal noise due to non-glucose rate limiting phenomenon such as ischemia, pH changes, temperatures changes, and the like. The system monitors a data stream from a glucose sensor and detects signal artifacts that have higher amplitude than electronic or diffusion-related system noise. The system replaces some or the entire data stream continually or intermittently including signal estimation methods that particularly address transient signal artifacts. The system is also capable of detecting the severity of the signal artifacts and selectively applying one or more signal estimation algorithm factors responsive to the severity of the signal artifacts, which includes selectively applying distinct sets of parameters to a signal estimation algorithm or selectively applying distinct signal estimation algorithms.

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