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    OPTIONAL SENSOR CALIBRATION IN CONTINUOUS GLUCOSE MONITORING
    1.
    发明申请
    OPTIONAL SENSOR CALIBRATION IN CONTINUOUS GLUCOSE MONITORING 审中-公开

    公开(公告)号：US20190175079A1

    公开(公告)日：2019-06-13

    申请号：US15840515

    申请日：2017-12-13

    Applicant: MEDTRONIC MINIMED, INC.

    Inventor： Jeffrey Nishida ,  Andrea Varsavsky ,  Taly G. Engel ,  Keith Nogueira ,  Andy Y. Tsai ,  Peter Ajemba

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

    Abstract: A method for optional external calibration of a calibration-free glucose sensor uses values of measured working electrode current (Isig) and EIS data to calculate a final sensor glucose (SG) value. Counter electrode voltage (Vcntr) may also be used as an input. Raw Isig and Vcntr values may be preprocessed, and low-pass filtering, averaging, and/or feature generation may be applied. SG values may be generated using one or more models for predicting SG calculations. When an external blood glucose (BG) value is available, the BG value may also be used in calculating the SG values. A SG variance estimate may be calculated for each predicted SG value and modulated, with the modulated SG values then fused to generate a fused SG. A Kalman filter, as well as error detection logic, may be applied to the fused SG value to obtain a final SG, which is then displayed to the user.

    PERSONALIZED PARAMETER MODELING METHODS AND RELATED DEVICES AND SYSTEMS
    4.
    发明申请
    PERSONALIZED PARAMETER MODELING METHODS AND RELATED DEVICES AND SYSTEMS 审中-公开
    个性化参数建模方法及相关设备和系统

    公开(公告)号：US20170049964A1

    公开(公告)日：2017-02-23

    申请号：US15240733

    申请日：2016-08-18

    Applicant: MEDTRONIC MINIMED, INC.

    Inventor： Andrea Varsavsky ,  Yunfeng Lu ,  Keith Nogueira ,  Jeffrey Nishida

    IPC: A61M5/172 ,  G06F19/00 ,  A61B5/024 ,  A61B5/00 ,  A61B5/145

    Abstract: Medical devices and related patient management systems and parameter modeling methods are provided. An exemplary method involves obtaining, by a computing device, historical measurements of a condition in a body of the patient previously provided by a sensing device, obtaining, by the computing device, historical operational context information associated with preceding operation of one or more of an infusion device and the sensing device, obtaining, by the computing device, historical values for a parameter from one or more of the infusion device and the sensing device, determining, by the computing device a patient-specific model of the parameter based on relationships between the historical measurements, the historical operational context information and the historical values, and providing, by the computing device via a network, the patient-specific model to one of the infusion device, the sensing device or a client device.

    Abstract translation: 提供了医疗设备和相关的患者管理系统和参数建模方法。 一种示例性方法包括由计算设备获得先前由感测设备提供的患者体内的状况的历史测量，由计算设备获得与先前操作中的一个或多个相关联的历史操作上下文信息 输注装置和感测装置，由计算装置获得来自一个或多个输注装置和感测装置的参数的历史值，由计算装置根据患者特定的参数模型，根据 历史测量，历史操作上下文信息和历史值，并且由计算设备经由网络将患者特定模型提供给输注设备，感测设备或客户端设备之一。

    GLUCOSE SENSOR HEALTH MONITORING AND RELATED METHODS AND SYSTEMS
    5.
    发明申请
    GLUCOSE SENSOR HEALTH MONITORING AND RELATED METHODS AND SYSTEMS 审中-公开
    葡萄糖传感器健康监测及相关方法与系统

    公开(公告)号：US20150331419A1

    公开(公告)日：2015-11-19

    申请号：US14281773

    申请日：2014-05-19

    Applicant: MEDTRONIC MINIMED, INC.

    Inventor： Keith Nogueira ,  Xiaolong Li ,  Rajiv Shah ,  Brian T. Kannard

    IPC: G05B23/00

    CPC classification number: G05B23/00 ,  A61M5/14244 ,  A61M5/1723 ,  A61M2205/70 ,  A61M2205/702 ,  A61M2230/201

    Abstract: Infusion systems, infusion devices, and related operating methods are provided. An exemplary method of operating an infusion device capable of delivering fluid to a user involves determining one or more signal characteristics associated with a subset of the measurements corresponding to a monitoring period, determining a reliability metric for the monitoring period based on the one or more signal characteristics, and providing indication of a maintenance condition when the reliability metric violates a threshold.

    Abstract translation: 提供输液系统，输液装置和相关操作方法。 操作能够向用户输送流体的输注装置的示例性方法包括确定与对应于监测周期的测量的子集相关联的一个或多个信号特征，基于一个或多个信号确定监测周期的可靠性度量 特性，并且当可靠性度量违反阈值时提供维护条件的指示。

    OPTIONAL SENSOR CALIBRATION IN CONTINUOUS GLUCOSE MONITORING
    9.
    发明申请
    OPTIONAL SENSOR CALIBRATION IN CONTINUOUS GLUCOSE MONITORING 有权

    公开(公告)号：US20220095964A1

    公开(公告)日：2022-03-31

    申请号：US17546112

    申请日：2021-12-09

    Applicant: Medtronic MiniMed, Inc.

    Inventor： Jeffrey Nishida ,  Andrea Varsavsky ,  Taly G. Engel ,  Keith Nogueira ,  Andy Y. Tsai ,  Peter Ajemba

    IPC: A61B5/1495 ,  A61B5/00 ,  A61B5/1473 ,  A61B5/145 ,  G01N27/327

    Abstract: A method for optional external calibration of a calibration-free glucose sensor uses values of measured working electrode current (Isig) and EIS data to calculate a final sensor glucose (SG) value. Counter electrode voltage (Vcntr) may also be used as an input. Raw Isig and Vcntr values may be preprocessed, and low-pass filtering, averaging, and/or feature generation may be applied. SG values may be generated using one or more models for predicting SG calculations. When an external blood glucose (BG) value is available, the BG value may also be used in calculating the SG values. A SG variance estimate may be calculated for each predicted SG value and modulated, with the modulated SG values then fused to generate a fused SG. A Kalman filter, as well as error detection logic, may be applied to the fused SG value to obtain a final SG, which is then displayed to the user.

    Optional sensor calibration in continuous glucose monitoring
    10.
    发明授权
    Optional sensor calibration in continuous glucose monitoring 有权

    公开(公告)号：US11213230B2

    公开(公告)日：2022-01-04

    申请号：US15840515

    申请日：2017-12-13

    Applicant: MEDTRONIC MINIMED, INC.

    Inventor： Jeffrey Nishida ,  Andrea Varsavsky ,  Taly G. Engel ,  Keith Nogueira ,  Andy Y. Tsai ,  Peter Ajemba

    IPC: A61B5/1495 ,  A61B5/00 ,  A61B5/1473 ,  A61B5/145 ,  G01N27/327 ,  A61M5/172 ,  A61B5/1486

    Abstract: A method for optional external calibration of a calibration-free glucose sensor uses values of measured working electrode current (Isig) and EIS data to calculate a final sensor glucose (SG) value. Counter electrode voltage (Vcntr) may also be used as an input. Raw Isig and Vcntr values may be preprocessed, and low-pass filtering, averaging, and/or feature generation may be applied. SG values may be generated using one or more models for predicting SG calculations. When an external blood glucose (BG) value is available, the BG value may also be used in calculating the SG values. A SG variance estimate may be calculated for each predicted SG value and modulated, with the modulated SG values then fused to generate a fused SG. A Kalman filter, as well as error detection logic, may be applied to the fused SG value to obtain a final SG, which is then displayed to the user.

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