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    • 1. 发明授权
    • IMPLANTABLE WIRELESS POWER SYSTEM
    • 可植入的无线电力系统
    • EP2648803B1
    • 2017-04-26
    • EP11847692.8
    • 2011-09-23
    • Everheart Systems, Inc.
    • ARMSTRONG, Randolph, K.ABER, Greg, S.
    • A61M1/10A61M1/12H02J5/00H02J7/02
    • A61M1/1086A61M1/10A61M1/101A61M1/12A61M1/122A61M1/127A61M2205/8243H01F38/14H02J5/005H02J7/025H02J50/12
    • The present invention refers to an apparatus for use in wireless energy transfer to power an electronic device. The apparatus comprises a transmitting assembly configured to transmit electromagnetic energy, whereby the transmitting assembly comprises a transmitting resonant coil providing a first conductor and a first electrical insulating medium between coil turns of said first conductor. The apparatus further comprises a receiving assembly magnetic resonance coupled to the transmitting assembly, whereby the receiving assembly comprises a receiving resonant coil providing a second conductor and a second electrical insulating medium between coil turns of said second conductor. A first capacitor is electrically connected to the first conductor and a second capacitor is electrically connected to the second conductor. The first and/or second insulating medium comprises one or more dielectric materials that is solid with a polygonal cross section. Further the first and/or second insulating medium provides a dielectric dissipation factor of 0.01 or less. The first and/or second conductor has a thickness T of less than 0.0508 cm [0.020 inches] and a width W of 1.27 cm [0.5 inches] or less, wherein the transmitting and/or receiving resonant coil has a diameter of 7.62 cm [3 inches] or less.
    • 无线电力系统能够通过皮肤传输电力,而不需要经皮电线,距离范围从几英寸到几英尺,包括外部发射线圈组件和接收线圈组件。 发送线圈组件包括彼此电感耦合的激励线圈和发送谐振线圈。 接收线圈组件包括也相互感应耦合的接收谐振线圈和功率拾取线圈。 诸如射频(RF)之类的高频AC功率输入以感应方式提供给励磁线圈,导致发射谐振线圈谐振,导致局部时变磁场。 发射和接收谐振线圈被构造为具有紧密匹配或相同的谐振频率,使得由发射谐振线圈产生的磁场也能够使接收谐振线圈也强烈地谐振,即使当两个谐振线圈 大大超过任一线圈的最大尺寸。 接收谐振线圈然后产生其自身的局部时变磁场,其在感应拾取线圈中感应产生电压以向有源可植入医疗装置或可植入可再充电电池提供电力。