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脑起搏器(Deep Brain Stimulator,DBS)是一种针对帕金森病非常有效的方法,但目前的脑起搏器普遍存在电池需频繁更换的问题,增加了患者的负担。外置式脑起搏器(EDBS)克服了传统脑起搏器电池电量受限的缺点,将信号发生部分移出体外,减轻了患者手术更换电池的痛苦。然而外置式DBS附着在患者体外的部分有可能随着患者的日常活动产生移位,影响使用效果。本文设计了自对准装置,利用永磁体对磁性材料的吸引作用使传递信号的两个线圈保持相对固定的位置,使整个系统维持一个较高的耦合效率。
Deep Brain Stimulator (DBS) is a very effective method for treating Parkinson’s disease. However, current brain pacemakers generally have the problem of frequent battery replacement and increase the patient’s burden. External brain pacemaker (EDBS) to overcome the limitations of the traditional pacemakers battery power shortcomings, the signal will be partially removed from the body, reducing the patient’s operation of battery replacement pain. However, the external DBS attached to the outside of the patient’s body may shift with the daily activities of patients, affecting the use of results. In this paper, a self-aligning device is designed. By utilizing the attraction of the permanent magnet to the magnetic material, the two coils transmitting the signal are kept in a relatively fixed position, so that the whole system maintains a high coupling efficiency.