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    NEEDLE FOR TRANSCUTANEOUS ANALYTE SENSOR DELIVERY
    321.
    发明申请
    NEEDLE FOR TRANSCUTANEOUS ANALYTE SENSOR DELIVERY 审中-公开
    用于TRANSCUTANEOUS分析仪传感器传送的针头

    公开(公告)号：US20160338628A1

    公开(公告)日：2016-11-24

    申请号：US15160854

    申请日：2016-05-20

    Applicant: DexCom, Inc.

    Inventor： Neel Shah ,  Jennifer Blackwell ,  Jonathan Hughes ,  Ted Tang Lee ,  Peter C. Simpson ,  Shanger Wang

    IPC: A61B5/145

    CPC classification number: A61B17/3468 ,  A61B5/14503 ,  A61B5/14532 ,  A61B5/14865 ,  A61B2017/3456 ,  A61B2560/063 ,  A61M5/3286

    Abstract: The present disclosure relates to a needle including a wall structure, a cutting edge and a blunt contour. The needle advantageously can be used to deliver a sensor (such as a glucose or other analyte sensor) through an outer skin layer and into a sensor depth in a less invasive way than prior art needles. The size of the cutting edge is balanced against a portion of the distal wall structure that has blunt contours. Thus, the needle is capable of cutting the more durable outer skin layer (first phase) and then progressively stretching open the cut for further advancement into the subcutaneous layer (second phase). When the needle is sufficiently advanced, it is retracted leaving the sensor in a desired position. Early testing has shown a reduction of “dip and recover” from glucose sensors delivered using the needle.

    Abstract translation: 本公开涉及一种包括壁结构，切削刃和钝轮廓的针。 该针有利地可用于将传感器（例如葡萄糖或其它分析物传感器）通过外皮层递送并且以比现有技术针更小侵入的方式传送到传感器深度中。 切割边缘的尺寸与具有钝轮廓的远侧壁结构的一部分相平衡。 因此，针能够切割更耐用的外皮层（第一相），然后逐渐拉伸开口以进一步前进到皮下层（第二阶段）。 当针足够前进时，它被缩回离开传感器到期望的位置。 早期测试显示，使用针头传送的葡萄糖传感器可以减少“沾污和恢复”。

    TRANSCUTANEOUS ANALYTE SENSOR
    324.
    发明申请
    TRANSCUTANEOUS ANALYTE SENSOR 审中-公开

    公开(公告)号：US20160157766A1

    公开(公告)日：2016-06-09

    申请号：US15042967

    申请日：2016-02-12

    Applicant: DexCom, Inc.

    Inventor： Peter C. Simpson ,  Robert J. Boock ,  Sebastian Bohm ,  James H. Brauker ,  Paul V. Neale

    IPC: A61B5/1486 ,  A61B5/00

    CPC classification number: A61B5/14865 ,  A61B5/14503 ,  A61B5/14532 ,  A61B5/14546 ,  A61B5/1468 ,  A61B5/1473 ,  A61B5/1486 ,  A61B5/6843 ,  A61B5/6848 ,  A61B5/6849 ,  A61B2560/0443 ,  A61B2562/04

    Abstract: A transcutaneous sensor device configured for continuously measuring analyte concentrations in a host is provided. In some embodiments, the transcutaneous sensor device 100 comprises an in vivo portion 160 configured for insertion under the skin 180 of the host and an ex vivo portion 170 configured to remain above the surface of the skin 180 of the host after sensor insertion of the in vivo portion. The in vivo portion may comprise a tissue piercing element 110 configured for piercing the skin 180 of the host and a sensor body 120 comprising a material or support member 130 that provides sufficient column strength to allow the sensor body to be pushable in a host tissue without substantial buckling. The ex vivo portion 170 may be configured to comprise (or operably connect to) a sensor electronics unit and may comprise a mounting unit 150. Also described here are various configurations of the sensor body and the tissue piercing element that may be used to protect the membrane of the sensor body.

    SYSTEMS AND METHODS FOR PROCESSING AND TRANSMITTING SENSOR DATA
    329.
    发明申请
    SYSTEMS AND METHODS FOR PROCESSING AND TRANSMITTING SENSOR DATA 有权
    用于处理和传输传感器数据的系统和方法

    公开(公告)号：US20140266776A1

    公开(公告)日：2014-09-18

    申请号：US14142677

    申请日：2013-12-27

    Applicant: DexCom, Inc.

    Inventor： Thomas Miller ,  Mark Dervaes ,  Phong Lieu ,  Peter C. Simpson ,  Shawn Larvenz ,  Jacob S. Leach ,  Sebastian Bohm

    IPC: A61B5/00

    CPC classification number: A61B5/0015 ,  A61B5/0002 ,  A61B5/076 ,  A61B5/14503 ,  A61B5/14532 ,  A61B5/742 ,  A61B5/7475 ,  A61B2560/0209 ,  G06F19/00 ,  G06F19/3418 ,  G06F19/3468 ,  G16H10/60 ,  G16H20/17 ,  G16H30/20 ,  G16H40/20 ,  G16H40/40 ,  G16H40/67

    Abstract: Systems and methods for processing, transmitting and displaying data received from an analyte sensor, such as a glucose sensor, are disclosed. In an embodiment, a method for transmitting data between a first communication device associated with an analyte sensor and a second communication device configured to provide user access to sensor-related information comprises: activating a transceiver of a first communication device associated with an analyte sensor at a first time; and establishing a two-way communication channel with the second communication device; wherein the activating comprises waking the transceiver from a low power sleep mode using a forced wakeup from the second communication device.

    Abstract translation: 公开了用于处理，传输和显示从诸如葡萄糖传感器的分析物传感器接收的数据的系统和方法。 在一个实施例中，用于在与分析物传感器相关联的第一通信设备和被配置为提供用户对传感器相关信息的访问的第二通信设备之间传送数据的方法包括：激活与分析物传感器相关联的第一通信设备的收发器， 第一次 以及与所述第二通信设备建立双向通信信道; 其中所述激活包括使用来自所述第二通信设备的强制唤醒从所述低功率睡眠模式唤醒所述收发器。

    ADVANCED ANALYTE SENSOR CALIBRATION AND ERROR DETECTION
    330.
    发明申请
    ADVANCED ANALYTE SENSOR CALIBRATION AND ERROR DETECTION 有权
    高级分析仪传感器校准和错误检测

    公开(公告)号：US20140114153A1

    公开(公告)日：2014-04-24

    申请号：US14144276

    申请日：2013-12-30

    Applicant: DexCom, Inc.

    Inventor： Sebastian Bohm ,  Daiting Rong ,  Peter C. Simpson

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

    CPC classification number: A61B5/1495 ,  A61B5/14503 ,  A61B5/1451 ,  A61B5/14517 ,  A61B5/14532 ,  A61B5/14546 ,  A61B5/1473 ,  A61B5/1486 ,  A61B5/7257 ,  A61B5/7267 ,  A61B2560/0276 ,  G01D18/00 ,  G01N27/026 ,  G01N27/3274 ,  G01N33/49

    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.

    Abstract translation: 提供了用于处理传感器数据和自校准的系统和方法。 在一些实施例中，提供了能够基于初始灵敏度来校准连续分析物传感器，然后在不使用或减少使用参考测量的情况下连续执行自校准的系统和方法。 在某些实施例中，通过应用作为某些参数的函数的估计算法来确定分析物传感器的灵敏度。 本文还描述了使用刺激信号来确定分析物传感器的性质的系统和方法。 传感器属性可用于补偿传感器数据的灵敏度漂移，或确定与传感器相关的其他属性，如温度，传感器膜损坏，传感器电子设备中的水分进入以及缩放因子。

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