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    • 6. 发明申请
    • AN EFFICIENT EXTERNAL CHARGER FOR CHARGING A PLURALITY OF IMPLANTABLE MEDICAL DEVICES
    • 一种有效的外部充电器,用于充电多个可植入的医疗设备
    • WO2011063111A4
    • 2011-09-29
    • PCT/US2010057212
    • 2010-11-18
    • BOSTON SCIENT NEUROMODULATIONCARBUNARU RAFAELPARRAMON JORDIOZAWA ROBERTSHI JESSCHEN JOEYRAHMAN MIZANUR
    • CARBUNARU RAFAELPARRAMON JORDIOZAWA ROBERTSHI JESSCHEN JOEYRAHMAN MIZANUR
    • A61N1/378
    • A61N1/3787A61N1/37223A61N1/37288
    • An improved external charger for a battery in an implantable medical device (implant), and technique for charging batteries in multiple implants using such improved external charger, is disclosed. During charging, values for a parameter measured in the implants are reported from the implants to the external charger. The external charger infers from the magnitudes of the parameters which of the implants has the highest and lowest coupling to the external charger, and so designates those implants as "hot" and "cold." The intensity of the magnetic charging field is optimized for the cold implant consistent with the simulation to ensure that that the cold implant is charged with a maximum (fastest) battery charging current. The duty cycle of the magnetic charging field is also optimized for the hot implant consistent with the simulation to ensure that the hot implant does not exceed the power dissipation limit. As a result, charging is optimized to be fast for all of the implants, while still safe from a tissue heating perspective.
    • 公开了用于可植入医疗装置(植入物)中的电池的改进的外部充电器,以及使用这种改进的外部充电器为多个植入物中的电池充电的技术。 在充电过程中,植入物中测量的参数值将从植入物报告给外部充电器。 外部充电器根据参数的大小推断哪些植入物与外部充电器具有最高和最低的耦合,并且因此将这些植入物指定为“热”和“冷”。 对于与模拟一致的冷植入物,磁充电场的强度被优化,以确保冷植入物以最大(最快)电池充电电流充电。 磁充电场的占空比也针对与仿真一致的热注入进行优化,以确保热注入不超过功耗限制。 因此,对于所有植入物来说,充电都经过优化,以便从组织加热的角度来看仍然安全。