可植入人体医疗设备的无线能量传输系统仿真分析

针对传统可植入人体医疗设备供能方式的不足，运用谐振耦合无线能量传输技术，设计可用于心脏起搏器等医疗设备的电能传输系统。结合植入式医疗设备尺寸小的特点，引入8字形线圈结构，采用有限元仿真软件分析各相关参数对于输出功率的影响，得到系统的最优参数。分析了在人体模型中产生的磁感应强度和电场强度分布，参考国际非电离辐射防护委员会（ICNIRP）制定的限值进行对比分析，评估了该系统电磁暴露的安全性，结果表明系统能够安全实现无线能量传输。

Simulation analysis on wireless power energy transmission system of implantable human medical devices

Abstract: In order to solve the problem of energy supply shortage in traditional implantable human medical devices, a wireless power transmission system can be designed for medical devices such as cardiac pacemakers by using resonant coupling wireless power transfer technology. In accordance with the small size of the implantable medical devices, the 8-shaped coil structure is introduced. The finite element simulation software is used to analyze the effects of the relevant parameters on output power, and the optimal solution of the system parameters is obtained. The distribution of magnetic induction and electric field intensity generated in the human body model was analyzed. A comparative analysis was made on the limits established by the International Commission on Non-Ionizing Radiation Protection (ICNIRP) to assess the safety of electromagnetic exposure of the system. The results show that the system can safely implement wireless power transmission.