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    • 7. 发明申请
    • IMPLANTABLE MEDICAL DEVICE WITH AIR CORE ANTENNA ASSEMBLY
    • 带空气芯天线组件的可植入医疗设备
    • WO2004039450A1
    • 2004-05-13
    • PCT/US2003/032316
    • 2003-10-11
    • MEDTRONIC, INC.
    • ENGMARK, David, B.CHILD, Brian, S.NICHOLSON, John, E.REINKER, David, M.
    • A61N1/375
    • A61N1/375A61N1/372A61N1/37229A61N1/3758
    • An implantable medical device that includes an enclosure, an electrical module for the desired stimulation, sensing and communications functions, a power source, an air-core antenna, and supporting structures therefore. The antenna includes a quarter-elliptical shape that maximizes the antenna area to facilitate transmission of electromagnetic waves through the enclosure. A support structure is provided so that the antenna, the module and the battery self-align with each other and the enclosure. The support structure contains contacts to facilitate electrical connection of the antenna to the module and positions the module so that contacts thereon are in close proximity in plan and elevation to external electrical feed-throughs in the housing and the antenna contacts on the support structure. The support structure positions the antenna between the module and the housing, separated therefrom by a predetermined minimum distance to facilitate efficient coupling of electromagnetic waves to and/or from the antenna.
    • 包括外壳,用于期望的刺激的电模块,感测和通信功能,电源,空芯天线以及因此的支撑结构的可植入医疗装置。 天线包括四分之一椭圆形状,其最大化天线面积以促进电磁波穿过外壳的传输。 提供支撑结构,使得天线,模块和电池彼此自动对齐,并与外壳对齐。 支撑结构包含触点,以便于天线电连接到模块,并定位模块,使得其上的触点在平面和高度上非常靠近外壳中的外部电馈通和支撑结构上的天线触点。 支撑结构将天线定位在模块和外壳之间,从中分开预定的最小距离,以便于电磁波有效地耦合到天线和/或从天线进行耦合。