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    • 13. 发明授权
    • MRI compatible implanted electronic medical device
    • MRI兼容植入电子医疗器械
    • US08255054B2
    • 2012-08-28
    • US11553228
    • 2006-10-26
    • Stephen DenkerArthur J. BeutlerCherik Bulkes
    • Stephen DenkerArthur J. BeutlerCherik Bulkes
    • A61N1/375
    • A61N1/375A61N1/086A61N1/3718
    • An implantable electronic medical device is compatible with a magnetic resonance imaging (MRI) scanner. The device has a housing with exterior walls, each formed by a dielectric substrate with electrically conductive layers on interior and exterior surfaces. A series of slots divide each layer into segments. Segmenting the layers provides high impedance to eddy currents produced by fields of the MRI scanner, while capacitive coupling of the segments provides radio frequency shielding for components inside the housing. Electrical leads extending from the housing have a pair of coaxially arranged conductors and traps that attenuate currents induced in the conductors by the fields of the MRI scanner.
    • 可植入电子医疗装置与磁共振成像(MRI)扫描器兼容。 该装置具有带有外壁的壳体,每个由内部和外部表面上具有导电层的电介质基底形成。 一系列插槽将每个层划分成多个段。 这些层的分段对于由MRI扫描仪的场产生的涡流提供高阻抗,而段的电容耦合为壳体内的部件提供射频屏蔽。 从壳体延伸的电引线具有一对同轴布置的导体和陷阱,其通过MRI扫描仪的场来衰减在导体中感应的电流。
    • 15. 发明申请
    • INTRAVASCULAR STIMULATION SYSTEM WITH WIRELESS POWER SUPPLY
    • 带无线电源的血管内刺激系统
    • US20080077188A1
    • 2008-03-27
    • US11877911
    • 2007-10-24
    • Stephen DenkerCherik Bulkes
    • Stephen DenkerCherik Bulkes
    • A61N1/365
    • A61N1/372A61N1/37205A61N1/3787
    • A medical device adapted for implantation into a patient receives electrical power from an extravascular power supply. The medical device has a first receiver for a first radio frequency (RF) signal from which energy is extracted to power the medical device, and a second RF signal carries an indication of an amount of that extracted energy. The extravascular power supply includes a source of electrical power and a power transmitter that emits the first RF signal which is varied in response to the indication from the second radio frequency signal. Animal physiological data also can be carried by the second RF signal. The medical device includes a system that monitors the effects of tissue stimulation and regulates subsequent stimulation accordingly.
    • 适于植入患者的医疗装置从血管外电源接收电力。 医疗设备具有用于第一射频(RF)信号的第一接收器,从该第一接收器提取能量以对医疗设备供能,而第二RF信号携带该提取能量的指示。 血管外电源包括电源和发射第一RF信号的功率发射器,该第一RF信号响应于来自第二射频信号的指示而变化。 动物生理数据也可以由第二RF信号携带。 医疗装置包括监测组织刺激的作用并相应地调节后续刺激的系统。
    • 17. 发明申请
    • MRI COMPATIBLE IMPLANTED ELECTRONIC MEDICAL DEVICE AND LEAD
    • MRI兼容的电子医疗设备和引线
    • US20080033497A1
    • 2008-02-07
    • US11844494
    • 2007-08-24
    • Cherik BulkesStephen Denker
    • Cherik BulkesStephen Denker
    • A61B1/04
    • A61N1/05A61N1/086A61N1/3718
    • An implantable biocompatible lead that is also compatible with a magnetic resonance imaging scanner for the purpose of diagnostic quality imaging is described. The implantable electrical lead comprises a plurality of coiled insulated conducting wires wound in a first direction forming a first structure of an outer layer of conductors of a first total length with a first number of turns per unit length and a plurality of coiled insulated conducting wires wound in a second direction forming a second structure of an inner layer of conductors of a second total length with a second number of turns per unit length. The first and the second structures are separated by a distance with a layer of dielectric material. The distance and dielectric material are chosen based on the field strength of the MRI scanner. The lead may further comprise a conducting layer formed by coating a material consisting of medium conducting particles in physical contact with each other and a mechanically flexible, biocompatible layer forming an external layer of lead and in contact with body tissue or body fluids.
    • 描述了与用于诊断质量成像的目的的磁共振成像扫描仪兼容的可植入生物相容性引线。 可植入电引线包括沿第一方向缠绕的多个线圈绝缘导线,其形成第一总长度的第一总线的第一结构,第一总长度具有第一个单位长度的匝数,以及多个缠绕的线圈绝缘导线 在第二方向上形成具有第二总长度的导体内层的第二结构,其具有每单位长度的第二圈数。 第一和第二结构与介电材料层隔开距离。 基于MRI扫描仪的场强选择距离和介电材料。 引线还可以包括通过涂覆由相互物理接触的介质导电颗粒组成的材料形成的导电层,以及形成引线的外层并与身体组织或体液接触的机械柔性的生物相容性层。
    • 18. 发明授权
    • Implantable medical stimulation apparatus with intra-conductor capacitive energy storage
    • 具有导体内电容式储能的植入式医疗刺激装置
    • US07310556B2
    • 2007-12-18
    • US11089476
    • 2005-03-24
    • Cherik Bulkes
    • Cherik Bulkes
    • A61N1/375
    • A61N1/375A61N1/3787Y10S128/903
    • An implantable device electrically stimulates an organ of an animal in response to a trigger event. Between trigger event that device receives a wireless signal, such as a radio frequency signal, and stores energy from the signal in a plurality of capacitors. The capacitors are located within a electrical lead that extends to a stimulation electrode attached to the organ. That electrical lead has a hollow outer insulating tube with a pair of conductors extending longitudinally therein. The plurality of capacitors are connected between the pair of conductors. Thus the electrical lead serves as both a conductor of a stimulation current to the electrode and a housing for the plurality of capacitors.
    • 可植入装置响应于触发事件电刺激动物的器官。 在设备接收诸如射频信号的无线信号的触发事件之间,并且存储来自多个电容器中的信号的能量。 电容器位于延伸到附着于器官的刺激电极的电引线内。 该电引线具有中空的外绝缘管,其中一对导体在其中纵向延伸。 多个电容器连接在该对导体之间。 因此,电引线用作对电极的刺激电流的导体和用于多个电容器的壳体。
    • 20. 发明申请
    • Extracorporeal power supply with a wireless feedback system for an implanted medical device
    • 具有用于植入式医疗装置的无线反馈系统的体外电源
    • US20070156204A1
    • 2007-07-05
    • US11325130
    • 2006-01-04
    • Stephen DenkerCherik BulkesArthur Beutler
    • Stephen DenkerCherik BulkesArthur Beutler
    • A61N1/378
    • A61N1/3787
    • A medical device adapted for implantation into a patient receives electrical power from an extracorporeal power supply. The medical device has a first receiver for a first wireless signal, a power circuit that extracts energy from the first wireless signal to power the medical device, and a feedback signal generator that transmits a second wireless signal indicating a magnitude of energy extracted from the first wireless signal. The extracorporeal power supply includes a source of electrical power and a power transmitter that emits the first wireless signal. A second receiver enables the extracorporeal power supply to receive the second wireless signal. A feedback controller manipulates the first wireless signal in response to the second wireless signal to ensure that sufficient electrical energy is provided to the medical device without wasting electrical power from the source.
    • 适于植入患者的医疗装置从体外电源接收电力。 医疗设备具有用于第一无线信号的第一接收器,从第一无线信号提取能量以为医疗设备供电的电源电路;以及反馈信号发生器,其发送指示从第一无线信号提取的能量的大小的第二无线信号 无线信号。 体外电源包括电源和发射第一无线信号的功率发射器。 第二接收器使得体外电源能够接收第二无线信号。 反馈控制器响应于第二无线信号操纵第一无线信号,以确保向医疗设备提供足够的电能,而不会浪费来自源的电力。