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    Recharging power sources of implantable medical devices
    2.
    发明授权
    Recharging power sources of implantable medical devices 有权

    公开(公告)号：US11495988B2

    公开(公告)日：2022-11-08

    申请号：US17026117

    申请日：2020-09-18

    Applicant: Medtronic, Inc.

    Inventor： Erik R. Scott ,  David A. Dinsmoor ,  Venkat R. Gaddam

    IPC: A61N1/00 ,  H02J7/02 ,  H02J50/10 ,  H02J50/40 ,  A61N1/36 ,  A61N1/372 ,  A61N1/378 ,  H02J7/00 ,  H02J7/04

    Abstract: In some examples, a medical device system includes a first implantable medical device. The first implantable medical device (IMD) may comprise circuitry configured to at least one of deliver a therapy to a patient or sense a physiological signal from the patient; generate stimulation deliverable to a patient; a first rechargeable power source; and a secondary coil coupled to the first rechargeable power source, the secondary coil configured to charge the first rechargeable power source via inductive coupling with a primary coil of an external charging device. The medical device system may comprise processing circuitry configured to control charging of the first rechargeable power source based on a charge state of a second rechargeable power source of a second IMD.

    Thermal management for recharge of implantable medical devices
    5.
    发明授权
    Thermal management for recharge of implantable medical devices 有权

    公开(公告)号：US10258804B2

    公开(公告)日：2019-04-16

    申请号：US15343949

    申请日：2016-11-04

    Applicant: Medtronic, Inc.

    Inventor： Erik R. Scott ,  Kunal Paralikar

    IPC: A61N1/37 ,  A61N1/378 ,  A61F7/00 ,  A61B5/00 ,  A61B5/01 ,  A61M5/172 ,  A61M5/44 ,  A61N5/06 ,  A61M5/142

    Abstract: Devices, systems, and techniques are configured for cooling tissue during recharge of an implantable medical device (IMD) battery. In one example, a method includes charging, by an inductive charger, a rechargeable battery of an implantable medical device (IMD) within a patient, wherein the IMD comprises a housing that houses the rechargeable battery, and wherein a primary coil of the inductive charger is positioned above a region of skin of the patient proximate to the IMD. The example method further includes cooling, by a heat exchanger, the region of skin below a normal ambient surface temperature of the region of skin, wherein the heat exchanger is interposed between the primary coil and the region of skin.

    PHYSIOLOGICAL MONITORING FOR ULTRASOUND THERAPY
    9.
    发明申请
    PHYSIOLOGICAL MONITORING FOR ULTRASOUND THERAPY 审中-公开
    超声治疗生理监测

    公开(公告)号：US20170007853A1

    公开(公告)日：2017-01-12

    申请号：US15204430

    申请日：2016-07-07

    Applicant: Medtronic, Inc.

    Inventor： Jamu K. Alford ,  Erik R. Scott ,  John D. Welter ,  John R. LaLonde ,  Yohan Kim

    IPC: A61N7/00 ,  A61B8/04 ,  A61B5/00 ,  A61B5/01 ,  A61B5/0205 ,  A61B5/145 ,  A61B8/02 ,  A61B5/11

    CPC classification number: A61N7/00 ,  A61B5/01 ,  A61B5/0205 ,  A61B5/02055 ,  A61B5/024 ,  A61B5/0816 ,  A61B5/1118 ,  A61B5/14542 ,  A61B5/14546 ,  A61B5/4848 ,  A61B5/6804 ,  A61B5/6831 ,  A61B8/02 ,  A61B8/04 ,  A61B8/08 ,  A61B8/4236 ,  A61N2007/0026 ,  A61N2007/0052 ,  A61N2007/0078

    Abstract: In some examples, a system includes a flexible ultrasound device configured to be attached to an external surface of a patient proximate to an organ of the patient to deliver ultrasound configured to modulate nerve tissue of the patient at the organ. The system further comprises one or more sensors configured to sense one or more physiological parameters indicative of at least one of a symptom treatable by, or a side effect of, the neuromodulation, and processing circuitry configured to control the delivery of ultrasound during an ambulatory period of the patient, and monitor the least one of the symptom or the side effect during the ambulatory period, based on the one or more physiological parameters. The organ may be the spleen and the ultrasound may at least one of regulate the autoimmune system of the patient, or reduce an inflammation response of the patient.

    Abstract translation: 在一些示例中，系统包括柔性超声波装置，其被配置为附接到靠近患者器官的患者的外表面，以递送构造成调节患者在器官处的神经组织的超声波。 该系统还包括一个或多个传感器，其被配置为感测指示神经调节可治疗的症状或副作用中的至少一种的一个或多个生理参数，以及被配置成在动态期间控制超声波传送的处理电路 并且基于所述一个或多个生理参数来监测所述步行期间中的症状或副作用中的至少一个。 器官可以是脾脏，并且超声可以至少一种调节患者的自身免疫系统，或减少患者的炎症反应。

    CHARGING PROCESS FOR LITHIUM-ION BATTERIES
    10.
    发明申请
    CHARGING PROCESS FOR LITHIUM-ION BATTERIES 有权
    锂离子电池充电过程

    公开(公告)号：US20150263392A1

    公开(公告)日：2015-09-17

    申请号：US14657759

    申请日：2015-03-13

    Applicant: Medtronic, Inc.

    Inventor： Erik R. Scott ,  Gaurav Jain

    IPC: H01M10/44 ,  H01M4/131 ,  H01M10/0525 ,  H01M10/0569 ,  H01M4/485 ,  H01M4/583

    CPC classification number: H01M10/446 ,  H01M4/131 ,  H01M4/485 ,  H01M4/583 ,  H01M10/0525 ,  H01M10/0569 ,  H01M2010/4292 ,  H01M2300/0028 ,  Y02E60/122 ,  Y02P70/54 ,  Y10T29/49108

    Abstract: A method for producing a battery includes providing a battery having a positive electrode, a negative electrode, and an electrolyte that includes a solvent and a salt. The capacity of the negative electrode is less than that of the positive electrode and the negative electrode includes an active material having an average potential versus a lithium reference electrode of greater than approximately 0.2 volts. The method also includes applying an initial charge to the battery at a voltage that is greater than a fully charged voltage of the battery for a sufficient amount of time to cause at least a portion of the solvent to undergo a reduction reaction. The step of applying an initial charge to the battery acts to increase the irreversible capacity loss of the battery during the initial charge and provides the battery with enhanced tolerance to deep discharge conditions.

    Abstract translation: 电池的制造方法包括提供具有正极，负极和包含溶剂和盐的电解质的电池。 负极的容量小于正极的容量，负极包括具有大于约0.2伏特的平均电位相对于锂参比电极的活性材料。 该方法还包括以大于电池的完全充电电压的电压对电池施加初始电荷足够的时间以使至少一部分溶剂进行还原反应。 向电池施加初始电荷的步骤用于增加初始充电期间电池的不可逆容量损失，并为电池提供增强的对深放电条件的容限。

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