用于生物遥测的螺旋状植入天线

Ya-Wen Yang, H. Su, Ken-Huang Lin, Hung-Hsuan Lin, Chin-Yih Wu
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引用次数: 2

摘要

本文提出了一种用于生物遥测的微型植入天线,工作在医疗植入通信系统(MICS)频段(402-405 MHz),尺寸为40×10×1.905 mm3。该天线是在生物相容性陶瓷氧化铝基板上制造的。为简便起见,先采用三层人体组织。通过天线结构的特殊布置,激发出螺旋状的电流分布,使相应的电磁波向人体外部辐射。天线达到-21.7 dBi的增益,能够延长电池寿命。此外,频率响应对植入环境的变化不敏感。最后,使用了一个完整的人体模型,结果是相似的。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Spiral-like implanted antenna for biotelemetry
This paper presents a miniature implanted antenna operated at medical implant communication systems (MICS) band (402-405 MHz) with the dimension of 40×10×1.905 mm3 for biotelemetry. The antenna is fabricated on biocompatible Ceramic Alumina substrates. For simplicity three □ layer human tissues are adopted first. With the special arrangement of the antenna structure, a spiral □ like current distribution is excited and the corresponding electromagnetic wave can be radiated toward the outside of the human body. The antenna achieves a gain of -21.7 dBi, capable of extending the battery life. Furthermore, the frequency response is insensitive to the change of the implanted environment. Finally, a complete human model is used and the results are similar.
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