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Nanogenerators to Power Implantable Medical Systems
Joule ( IF 39.8 ) Pub Date : 2020-06-05 , DOI: 10.1016/j.joule.2020.05.003
Hong-Joon Yoon , Sang-Woo Kim

Replacing implantable medical devices (IMDs) is essential for their continuous operation, for which surgery is inevitable. Nanogenerators (NGs) have gained attention as potential power solutions owing to their compactness and safety compared with electromagnetic field-based energy transfer technologies. Their working principle, which involves the generation of electrical potential from body movement, is suitable for sustaining IMDs’ instant monitoring and sensor capabilities inside the body. In this regard, NGs hold promise for realizing self-powered IMDs that consume low power. For devices demanding a certain level of power required to operate sustainably, the realization of a powering system driven only by internal biomechanical energy has faced obstacles. Ultrasound referring to external mechanical energy has been found to have potential to noninvasively power IMDs that require relatively greater energy. This perspective discusses current NGs that are capable of coping with the IMDs’ power demand and thereof driven IMDs application. This paper also focuses on recent advances in ultrasound-driven NGs and their future opportunities and strategies to be a competitive powering device for IMDs.



中文翻译:

纳米发电机为植入式医疗系统提供动力

更换植入式医疗设备(IMD)对于其连续运行至关重要,因为手术是不可避免的。与基于电磁场的能量传输技术相比,由于其紧凑性和安全性,纳米发电机(NGs)已成为潜在的电源解决方案。它们的工作原理涉及人体运动产生的电势,适用于维持IMD在人体内部的即时监视和传感器功能。在这方面,NG有望实现功耗低的自供电IMD。对于需要一定水平的功率以可持续运行的设备而言,仅由内部生物机械能驱动的动力系统的实现面临障碍。已经发现,涉及外部机械能的超声可以无创地为需要相对更大能量的IMD提供动力。该观点讨论了当前能够解决IMD功率需求及其驱动的IMD应用的NG。本文还着重介绍了超声驱动NG的最新进展以及它们成为IMD竞争性动力设备的未来机会和策略。

更新日期:2020-06-05
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