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首页> 外文期刊>Mechatronics, IEEE/ASME Transactions on >Rotary-Type Electromagnetic Power Generator Using a Cardiovascular System As a Power Source for Medical Implants
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Rotary-Type Electromagnetic Power Generator Using a Cardiovascular System As a Power Source for Medical Implants

机译：使用心血管系统作为医疗植入物电源的旋转式电磁发电机

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摘要

Power-harvesting devices have received attention as power supplies for implantable medical devices. Power-harvesting technologies can overcome the limitation of a battery, such as limited battery lifetime and repeated surgical interventions. However, micropower generators do not meet the energy requirements of medical implants such as neural recording, implantable hearing aids, and implantable wireless sensors. They require an electrical power from 1 to 10 mW. This paper introduces an electromagnetic power generator using blood flow and blood pressure to drive an implanted medical device. The fabricated power generator, which is composed of a tiny rotor with magnets and external coils with ferrite cores, operates within a wide blood pressure range from 6.75 to 54.75 mmHg. In addition, the total volume and weight of the generator are 3.16 cc and 24 g, respectively. Using animal and mock-up tests, we verified the ability of the self-powered device to drive the medical implants. In the animal test, we utilized a blood pump to control the blood flow and blood pressure. The generator generated a maximum electrical power of 3.4 mW (conversion efficiency of 1.04%) at a blood pressure drop of 54.75 mmHg and blood flow of 2.68 L/min.
机译：功率收集设备作为可植入医疗设备的电源已受到关注。电能收集技术可以克服电池的局限性，例如电池寿命有限和重复的外科手术。但是，微功率发生器无法满足医疗植入物的能量需求，例如神经记录，可植入助听器和可植入无线传感器。它们需要1至10 mW的电功率。本文介绍了一种电磁发电机，它利用血液流动和血压来驱动植入的医疗设备。制成的发电机由带磁铁的微型转子和带铁氧体磁心的外部线圈组成，可在6.75至54.75 mmHg的宽血压范围内运行。此外，发生器的总体积和重量分别为3.16 cc和24 g。通过动物和实体模型测试，我们验证了自供电设备驱动医疗植入物的能力。在动物实验中，我们使用了一个血泵来控制血流量和血压。在54.75 mmHg的血压下降和2.68 L / min的血流量下，发生器产生的最大电功率为3.4 mW（转换效率为1.04％）。

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