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2. 发明申请

US20110046699A1 SELF-REGULATING TRANSCUTANEOUS ENERGY TRANSFER 有权
标题翻译：自调节转换能量转移
公开(公告)号：US20110046699A1
公开(公告)日：2011-02-24
申请号：US12544367
申请日：2009-08-20
申请人： Paul Richard Mazanec
发明人： Paul Richard Mazanec
IPC分类号： A61N1/378
CPC分类号： A61N1/3787 , H02J7/025 , H02J50/12 , H02J50/80
摘要： A rechargeable battery system and method are disclosed, in which an implantable medical device (IMD) regulates its transfer of energy from a separate charger unit. For recharging, a charger unit is brought into proximity to the implanted device. An oscillating current is generated in a primary coil, located in the charger. By inductive coupling through an oscillating magnetic field, an alternating current is generated in a secondary coil, which is implanted in or near the implanted device. The alternating current then passes through a half-wave or full-wave rectifier to form a one-sided current, then passes through a regulator to form an essentially direct current, which is in turn directed to the rechargeable battery in the implanted device. The secondary coil has a controllable damped resonant frequency, which can be dynamically tuned away from the driving frequency of the primary coil by a variable resistor and/or by varying a duty cycle of a rapidly switched electrical element. If a control loop in the implant senses that more power is being received at the second coil than is actually being used to recharge the battery, the control loop temporarily changes the variable resistance. When this happens, the resonant frequency of the secondary coil is detuned slightly away from the driving frequency, so that less of the incoming power is absorbed by the secondary coil. Alternatively, the secondary coil may be temporarily short-circuited. With less or no excess power entering the circuitry of the implant, the problem of overheating is mitigated.
摘要翻译：公开了一种可再充电电池系统和方法，其中可植入医疗装置（IMD）调节其从单独的充电器单元的能量传递。为了充电，将充电器单元置于植入装置附近。在位于充电器中的初级线圈中产生振荡电流。通过通过振荡磁场的电感耦合，在次级线圈中产生交流电流，次级线圈植入在植入器件中或其附近。然后，交流电流通过半波或全波整流器以形成单侧电流，然后通过调节器形成基本上直接的电流，其又指向植入装置中的可再充电电池。次级线圈具有可控的阻尼谐振频率，其可以通过可变电阻器和/或通过改变快速切换的电气元件的占空比来动态调整远离初级线圈的驱动频率。如果植入物中的控制回路感测到在第二线圈处接收的功率大于实际用于对电池进行再充电，则控制回路暂时改变可变电阻。当这种情况发生时，次级线圈的谐振频率与驱动频率稍微偏离，使得较少的输入功率被次级线圈吸收。或者，次级线圈可能暂时短路。通过更少或没有多余的功率进入植入物的电路，可以减轻过热的问题。

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