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    Systems for wearable infusion port and associated pump
    1.
    发明授权
    Systems for wearable infusion port and associated pump 有权

    公开(公告)号：US11559624B2

    公开(公告)日：2023-01-24

    申请号：US16691506

    申请日：2019-11-21

    Applicant: MEDTRONIC MINIMED, INC.

    Inventor： Eric Allan Larson ,  Shixin Chen ,  Magnus Johansson ,  Louis J. Lintereur ,  Austin Reeder ,  Peter Schultz

    IPC: A61M5/142 ,  A61M5/168

    Abstract: A wearable infusion port for infusing a fluid includes a first housing that defines an inlet port to receive the fluid, and a second housing coupled to the first housing. The second housing is to be coupled to an anatomy. The wearable infusion port includes a valve assembly fluidly coupled to the inlet port, and the valve assembly is movable from a closed state to an opened state to dispense the fluid. The wearable infusion port includes a cannula assembly extending through the first housing and the second housing, and the cannula assembly includes a cannula fluidly coupled to the valve assembly. The cannula is to be coupled to the anatomy. The wearable infusion port includes a flow sensor fluidly coupled to the inlet port and the cannula. The flow sensor is fluidly coupled upstream from the cannula to observe an amount of fluid received by the cannula.

    MINIATURIZED NONINVASIVE GLUCOSE SENSOR AND CONTINUOUS GLUCOSE MONITORING SYSTEM
    3.
    发明申请
    MINIATURIZED NONINVASIVE GLUCOSE SENSOR AND CONTINUOUS GLUCOSE MONITORING SYSTEM 有权

    公开(公告)号：US20220257154A1

    公开(公告)日：2022-08-18

    申请号：US17734245

    申请日：2022-05-02

    Applicant: Medtronic MiniMed, Inc.

    Inventor： Li Zhou ,  Raymond M. Russell ,  Peter Schultz

    IPC: A61B5/145 ,  A61B5/00

    Abstract: The disclosed techniques involve a light emitter configured to emit light toward the skin of a person, a light emitter controller configured to control the light emitter to emit the light in pulses having a pulse duration and at a pulse repetition frequency, a resonance chamber positioned to receive acoustic waves generated in the person in response to the light emitted by the light emitter, a sensor configured to sense acoustic waves in the resonance chamber, and a signal processor configured to estimate a glucose concentration level in the person based on the acoustic waves sensed by the sensor. The resonance chamber is sized to form a standing wave that has an acoustic wavelength of interest when glucose analytes are present in the region of the skin of the person. The pulse duration and the pulse repetition frequency of the emitted light are set at values that support the standing wave having the acoustic wavelength of interest.

    Systems for wearable infusion port and associated pump
    4.
    发明授权
    Systems for wearable infusion port and associated pump 有权

    公开(公告)号：US11324881B2

    公开(公告)日：2022-05-10

    申请号：US16691513

    申请日：2019-11-21

    Applicant: MEDTRONIC MINIMED, INC.

    Inventor： Eric Allan Larson ,  Shixin Chen ,  Magnus Johansson ,  Louis J. Lintereur ,  Austin Reeder ,  Peter Schultz

    IPC: A61M5/142

    Abstract: A pump for delivering a fluid includes a pump housing that defines at least one reservoir having a circumferentially open first end, a circumferentially closed second end and a chamber to receive the fluid. The pump includes a plunger assembly having at least one plunger arm and a cannula fluidly coupled to the plunger arm to dispense the fluid from the pump. The plunger arm is receivable within the first end of the reservoir, and the at least one plunger arm defining an internal conduit to receive the fluid from the at least one fluid reservoir. The internal conduit is fluidly coupled to the cannula. The plunger assembly is movable in a first direction relative to the pump housing to advance the plunger arm within the fluid reservoir to dispense the fluid from the fluid reservoir out of the pump via the cannula.

    SYSTEMS FOR WEARABLE INFUSION PORT AND ASSOCIATED PUMP
    5.
    发明申请
    SYSTEMS FOR WEARABLE INFUSION PORT AND ASSOCIATED PUMP 有权

    公开(公告)号：US20210154394A1

    公开(公告)日：2021-05-27

    申请号：US16691506

    申请日：2019-11-21

    Applicant: MEDTRONIC MINIMED, INC.

    Inventor： Eric Allan Larson ,  Shixin Chen ,  Magnus Johansson ,  Louis J. Lintereur ,  Austin Reeder ,  Peter Schultz

    IPC: A61M5/142 ,  A61M5/168

    Abstract: A wearable infusion port for infusing a fluid includes a first housing that defines an inlet port to receive the fluid, and a second housing coupled to the first housing. The second housing is to be coupled to an anatomy. The wearable infusion port includes a valve assembly fluidly coupled to the inlet port, and the valve assembly is movable from a closed state to an opened state to dispense the fluid. The wearable infusion port includes a cannula assembly extending through the first housing and the second housing, and the cannula assembly includes a cannula fluidly coupled to the valve assembly. The cannula is to be coupled to the anatomy. The wearable infusion port includes a flow sensor fluidly coupled to the inlet port and the cannula. The flow sensor is fluidly coupled upstream from the cannula to observe an amount of fluid received by the cannula.

    Methods and Systems For Detecting The Hydration Of Sensors
    9.
    发明申请
    Methods and Systems For Detecting The Hydration Of Sensors 有权
    检测传感器水化的方法和系统

    公开(公告)号：US20130334040A1

    公开(公告)日：2013-12-19

    申请号：US13964591

    申请日：2013-08-12

    Applicant: MEDTRONIC MINIMED, INC.

    Inventor： Rajiv Shah ,  Wayne A. Morgan ,  David Y. Choy ,  James L. Henke ,  Bahar Reghabi ,  Gopikrishnan Soundararajan ,  Peter Schultz ,  Udo Hoss

    IPC: G01N27/327

    CPC classification number: G01N27/403 ,  A61B5/14532 ,  A61B5/1473 ,  A61B2560/0223 ,  A61B2562/02 ,  C12Q1/006 ,  G01N27/327 ,  G01N27/416

    Abstract: A sensor system includes a sensor and a sensor electronics device. The sensor includes a plurality of electrodes. The sensor electronics device includes a connection detection device, a power source, and a delay circuit. The connection detection device determines if the sensor electronics device is connected to the sensor and transmits a connection signal. The delay circuit receives the connection signal, waits a preset hydration time, and couples the regulated voltage from the power source to an electrode in the sensor after the preset hydration time has elapsed. Alternatively, the sensor electronics device may include an electrical detection circuit and a microcontroller. The electrical detection circuit determines if the plurality of electrodes are hydrated and generates an interrupt if the electrodes are hydrated. A microcontroller receives the interrupt and transmits a signal representative of a voltage to an electrode of the plurality of electrodes.

    Abstract translation: 传感器系统包括传感器和传感器电子设备。 传感器包括多个电极。 传感器电子设备包括连接检测装置，电源和延迟电路。 连接检测装置确定传感器电子设备是否连接到传感器并发送连接信号。 延迟电路接收连接信号，等待预设的水合时间，并且在经过预设水合时间之后将调节的电压从电源耦合到传感器中的电极。 或者，传感器电子设备可以包括电检测电路和微控制器。 电检测电路确定多个电极是否水合，并且如果电极是水合的则产生中断。 微控制器接收中断，并将代表电压的信号传送到多个电极的电极。

    SYSTEMS FOR WEARABLE INFUSION PORT AND ASSOCIATED PUMP
    10.
    发明申请
    SYSTEMS FOR WEARABLE INFUSION PORT AND ASSOCIATED PUMP 有权

    公开(公告)号：US20210154395A1

    公开(公告)日：2021-05-27

    申请号：US16691513

    申请日：2019-11-21

    Applicant: MEDTRONIC MINIMED, INC.

    Inventor： Eric Allan Larson ,  Shixin Chen ,  Magnus Johansson ,  Louis J. Lintereur ,  Austin Reeder ,  Peter Schultz

    IPC: A61M5/142

    Abstract: A pump for delivering a fluid includes a pump housing that defines at least one reservoir having a circumferentially open first end, a circumferentially closed second end and a chamber to receive the fluid. The pump includes a plunger assembly having at least one plunger arm and a cannula fluidly coupled to the plunger arm to dispense the fluid from the pump. The plunger arm is receivable within the first end of the reservoir, and the at least one plunger arm defining an internal conduit to receive the fluid from the at least one fluid reservoir. The internal conduit is fluidly coupled to the cannula. The plunger assembly is movable in a first direction relative to the pump housing to advance the plunger arm within the fluid reservoir to dispense the fluid from the fluid reservoir out of the pump via the cannula.

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