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    Infusion device and actuator for same
    31.
    发明专利
    Infusion device and actuator for same 有权
    输液装置和执行器

    公开(公告)号：JP2013039430A

    公开(公告)日：2013-02-28

    申请号：JP2012256478

    申请日：2012-11-22

    Applicant: Medtronic Minimed Inc ,  メドトロニック ミニメド インコーポレイテッド

    Inventor： GRAY JOHN

    IPC: A61M5/142 ,  A61M1/36 ,  A61M37/00

    CPC classification number: A61M5/14216 ,  A61M5/14236 ,  A61M5/14276 ,  A61M5/168 ,  F04B13/00 ,  F04B17/048

    Abstract: PROBLEM TO BE SOLVED: To provide an infusion device for delivering fluid dosage into a patient's body.SOLUTION: The infusion device includes: an inlet; an outlet; a piston channel through which a fluid flows from the inlet to the outlet; an actuator moveable between a retracted position and a forward position; and a housing for storing them. The actuator defines a piston chamber for storing the fluid received through the inlet when the actuator is in the retracted position and drives the fluid stored in the piston chamber toward the outlet when the actuator moves from the retracted position to the forward position. The actuator includes a piston moveable within the piston channel, which has an inlet end and an outlet end. The device includes a first fluid chamber communicated with the inlet and a second fluid chamber communicated with the outlet. The piston includes a groove in an outer surface from the inlet end to the outlet end for conducting the fluid from the inlet to the outlet and the groove is a helical groove around the piston.

    Abstract translation: 要解决的问题：提供用于将流体剂量输送到患者体内的输液装置。 输液装置包括：入口; 一个出口 流体从入口流到出口的活塞通道; 致动器可在缩回位置和向前位置之间移动; 和用于存储它们的壳体。 致动器限定活塞室，用于当致动器处于缩回位置时存储通过入口接收的流体，并且当致动器从缩回位置向前移动时将存储在活塞室中的流体驱动到出口。 致动器包括可在活塞通道内移动的活塞，该活塞具有入口端和出口端。 该装置包括与入口连通的第一流体室和与出口连通的第二流体室。 活塞在从入口端到出口端的外表面中包括槽，用于将流体从入口传导到出口，并且槽是围绕活塞的螺旋槽。 版权所有（C）2013，JPO＆INPIT

    Method and device for verifying integrity sensor data
    32.
    发明专利
    Method and device for verifying integrity sensor data 有权
    用于验证完整性传感器数据的方法和装置

    公开(公告)号：JP2012071177A

    公开(公告)日：2012-04-12

    申请号：JP2012000316

    申请日：2012-01-05

    Applicant: Medtronic Minimed Inc ,  メドトロニック ミニメド インコーポレイテッド

    Inventor： SHIN JOHN J ,  PATEL NANDITA N ,  KANDERIAN SAMI JR ,  WANG LU ,  YOON RICHARD

    IPC: A61B5/145 ,  A61B5/00 ,  A61B5/1455 ,  A61B5/1459 ,  A61B5/1473 ,  A61B5/1477 ,  A61B5/1486 ,  G01N33/66

    CPC classification number: A61B5/6849 ,  A61B5/0002 ,  A61B5/14532 ,  A61B5/14546 ,  A61B5/14865 ,  A61B5/1495 ,  A61B5/6848 ,  A61B2560/0223 ,  A61M2005/1726

    Abstract: PROBLEM TO BE SOLVED: To verify integrity of sensor data relating to a calibration method on a monitor system for glucose.SOLUTION: A method for verifying integrity of sensor data is provided which comprises: receiving data values from a sensor (2100); comparing parameter related to the data values with a threshold (2110), for example comparing the quadratic derivative of the values with the threshold; monitoring additional threshold violations for further data values received from the sensor (2130); and terminating the receipt of data when two parameters exceed the threshold (2170). A method and a system for filtering data based on a quantifier of a variance derived from sensor data are provided, wherein the quantifier is used as input to an adaptive filter for filtering the sensor data. A method and a system for adjusting sensor output are provided which comprise: calibrating a sensor by determining the reliability of the sensor data; discarding unreliable data values; filtering the data values that have not been discarded; and adjusting the output of the sensor using the filtered data values.

    Abstract translation: 要解决的问题：验证与葡萄糖监测系统上的校准方法有关的传感器数据的完整性。 提供了一种用于验证传感器数据的完整性的方法，其包括：从传感器（2100）接收数据值; 将与数据值相关的参数与阈值（2110）进行比较，例如将值的二次导数与阈值进行比较; 监测从所述传感器（2130）接收的更多数据值的附加阈值违例; 并且当两个参数超过阈值时终止数据的接收（2170）。 提供了一种基于从传感器数据导出的方差的量化器对数据进行过滤的方法和系统，其中量化器用作用于过滤传感器数据的自适应滤波器的输入。 提供了一种用于调节传感器输出的方法和系统，包括：通过确定传感器数据的可靠性校准传感器; 丢弃不可靠的数据值; 过滤未丢弃的数据值; 并使用滤波后的数据值调整传感器的输出。 版权所有（C）2012，JPO＆INPIT

    Electronic lead for medical implant device, method of making the same, and method and apparatus for inserting the same
    33.
    发明专利
    Electronic lead for medical implant device, method of making the same, and method and apparatus for inserting the same 审中-公开
    用于医用植入装置的电子引线，其制造方法以及插入其的方法和装置

    公开(公告)号：JP2009297532A

    公开(公告)日：2009-12-24

    申请号：JP2009197590

    申请日：2009-08-28

    Applicant: Medtronic Minimed Inc ,  メドトロニック ミニメド インコーポレイテッド

    Inventor： GIBSON SCOTT R ,  SHAH RAJIV ,  CHERNOFF EDWARD ,  BYERS CHARLES

    IPC: A61N1/02 ,  A61N1/05 ,  A61N1/36

    CPC classification number: A61N1/3752 ,  A61N1/05 ,  Y10S439/909

    Abstract: PROBLEM TO BE SOLVED: To improve reliability of an implant relating to electronic leads for implants and tools for using such electronic leads. SOLUTION: An implantable coaxial lead includes a cable with male and female connectors. The cable includes inner and outer helical coils separated by an inner insulating tube and is accompanied with an outer insulating tube surrounding the outer helical coil. The male connector includes an outer conductive cylinder, a conductive pin and an insulator molded in between. In order to increase strength, a braided cylinder, infiltrated with rubber, is arranged at the juncture of the male connector and the cable. The female connector includes a cylinder formed by two conducting body elements (400, 402) and an intervening insulating body element (401). The female connector includes respective conductive tension elements (408, 416) configured to combine the male connector. A first seal (412) is provided between the conductive tension members, used for electrical isolation and tactile feedback. An insertion tool includes a cylinder with a hollow bore and a detachable head, and a rod for pulling the lead in the cylinder. COPYRIGHT: (C)2010,JPO&INPIT

    Abstract translation: 要解决的问题：提高与用于使用这种电子引线的植入物和工具的电子引线相关的植入物的可靠性。

    解决方案：可植入同轴引线包括带有阳和阴连接器的电缆。 电缆包括由内绝缘管分隔的内螺旋线圈和外螺旋线圈，并且伴随着围绕外螺旋线圈的外绝缘管。 阳连接器包括外导电圆筒，导电针和模制在其间的绝缘体。 为了提高强度，在阳连接器和电缆的接合处布置有浸入橡胶的编织圆筒。 阴连接器包括由两个导电体元件（400,402）和中间绝缘体元件（401）形成的圆筒。 阴连接器包括被配置为组合阳连接器的各自的导电张力元件（408,416）。 在用于电绝缘和触觉反馈的导电张力构件之间设置第一密封件（412）。 插入工具包括具有中空孔的圆柱体和可拆卸的头部，以及用于将引线牵引在圆筒中的杆。 版权所有（C）2010，JPO＆INPIT

    Improved analyte sensor
    35.
    发明专利
    Improved analyte sensor 有权
    改进的分析仪传感器

    公开(公告)号：JP2005279285A

    公开(公告)日：2005-10-13

    申请号：JP2005127159

    申请日：2005-04-25

    Applicant: Medtronic Minimed Inc ,  メドトロニック ミニメド インコーポレイテッド

    Inventor： HOLKER JAMES D ,  CALLE GUILLERMO A ,  BRANCH KEVIN D ,  MASTROTOTARO JOHN J ,  VAN ANTWERP WILLIAM P ,  VAN ANTWERP NANNETTE

    IPC: A61B5/145 ,  A61B5/00 ,  A61B5/1473 ,  A61B5/1486 ,  A61B5/15 ,  A61B5/157 ,  G01N27/28 ,  G01N27/327

    CPC classification number: A61B5/14865 ,  A61B5/14532 ,  A61B5/6849

    Abstract: PROBLEM TO BE SOLVED: To provide an improved analyte sensor assembly including a sensor and a slotted needle with a slot.
    SOLUTION: A sensor (400) and method of making the same for implantation in a body that includes a substrate (402) with notches cut in the substrate to form a necked down region (412) in the substrate; and at least one sensor electrode (404) formed from one or more conductive layers. The sensor (400) may be incorporated in to a sensor assembly includes a slotted needle (408) having a slot (410). The notches (406) creating the necked down region (412) allow the substrate (402) to slide into the slotted needle (408), which has the slot narrow enough to permit passage of the necked down region (412).
    COPYRIGHT: (C)2006,JPO&NCIPI

    Abstract translation: 要解决的问题：提供一种改进的分析物传感器组件，其包括传感器和带槽的开槽针。 解决方案：一种传感器（400）及其制造方法，用于植入体内，该主体包括：衬底（402），其具有在衬底中切口的衬底，以在衬底中形成颈缩区域（412）; 以及由一个或多个导电层形成的至少一个传感器电极（404）。 传感器（400）可以结合到传感器组件中，该传感器组件包括具有槽（410）的开槽针（408）。 产生颈缩区域（412）的凹口（406）允许基底（402）滑入开槽针（408），其具有足够窄的狭槽以允许颈缩区域（412）的通过。 版权所有（C）2006，JPO＆NCIPI

    FLOW RATE CONTROLLING DEVICE FOR MEDICINE INFUSION PUMP
    36.
    发明专利
    FLOW RATE CONTROLLING DEVICE FOR MEDICINE INFUSION PUMP 失效

    公开(公告)号：JPH10299660A

    公开(公告)日：1998-11-10

    申请号：JP4408198

    申请日：1998-02-25

    Applicant: MINIMED INC

    Inventor： INDRAVUDH VIROTE

    IPC: F04B43/06 ,  A61M5/142 ,  A61M5/168 ,  A61M37/00 ,  G05D7/01

    Abstract: PROBLEM TO BE SOLVED: To prevent increase of a flow rate of medicine caused by relative pressure fall by arranging a pressure controlling means which monitors pressure along a main flow passage at a position upstream from a primary flow rate controlling part, and a governing means for fluid flow from a storing part of the medicine to a patient in response to fluctuation of the monitored pressure. SOLUTION: A flow rate controlling pump 12 is composed of a valve housing 32 having an elastic diaphragm 34 which divides the valve housing 32 into a pressure controlling chamber 36 and a flow chamber 38. The pressure controlling chamber 36 is filled with gas of specified pressure. The flow chamber 38 is serially connected to a main flow passage 24 on a downstream side of a primaly flow rate controlling part or a minute pipe 26 through an inlet valve port 40 having an elastic valve seat 42. During a normal operation state, that is, in the case that environmental pressure is higher than the pressure inside the pressure controlling chamber 36, the diaphragm 34 is separated from the valve seat 42. Medicine flowed through the flow chamber 38 and an outlet port 44 from the valve port 40. Encountering low environmental pressure, the diaphragm 34 responds to the pressure difference and is operated for closing the valve seat 42.

    Methods, systems, and devices for calibration and optimization of glucose sensors and sensor output
    38.
    发明专利
    Methods, systems, and devices for calibration and optimization of glucose sensors and sensor output 未知

    公开(公告)号：AU2022202343B2

    公开(公告)日：2024-04-18

    申请号：AU2022202343

    申请日：2022-04-07

    Applicant: MEDTRONIC MINIMED INC

    Inventor： AJEMBA PETER ,  JACKS STEVEN C ,  KANNARD BRIAN T ,  MILLER MICHAEL E ,  NISHIDA JEFFREY ,  NOGUEIRA KEITH ,  TSAI ANDY Y ,  VARSAVSKY ANDREA

    IPC: A61B5/145 ,  A61B5/00 ,  A61B5/1468 ,  A61B5/1486

    Abstract: Methods, Systems, and Devices for Calibration and Optimization of Glucose Sensors and Sensor Output A method for using factory calibration to correct for manufacturing batch variations in one or more sensor parameters of a glucose sensor used for measuring the level of glucose in the body of a user, said sensor including physical sensor electronics, a microcontroller, and a working electrode, the method comprising: periodically measuring, by the physical sensor electronics, electrode current (Isig) signal values for the working electrode; performing, by the microcontroller, an Electrochemical Impedance Spectroscopy (EIS) procedure to generate values of one or more EIS-related parameters for the working electrode; calculating, by the microcontroller, values of counter voltage (Vcntr) for the sensor; applying, by said microcontroller, a factory calibration factor to said Isig, EIS parameter, and Vcntr values to generate respective modified Isig, EIS parameter, and Vcntr values; based on the modified Isig, EIS parameter, and Vcntr values and a plurality of calibration free sensor glucose (SG)-predictive models, calculating, by the microcontroller, a respective SG value for each of the SO-predictive models; fusing, by the microcontroller, the respective SO values to calculate a single, fused SO value; performing, by the microcontroller, error detection diagnostics on said calibrated, fused SO value to determine whether a correctable error exists in the calibrated, fused, SO value; correcting, by the microcontroller, said correctable error; and displaying a corrected, calibrated, fused SO value to the user.

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