植入式400MHz PIFA生物遥测系统

2015 International Conference on Electromagnetics in Advanced Applications (ICEAA) Pub Date : 2015-10-15 DOI:10.1109/ICEAA.2015.7297173

M. S. Islam, K. Esselle, L. Matekovits

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引用次数: 1

摘要

介绍了一种用于医疗植入式通信服务(MICS)的小型植入式小动物天线。采用近距离耦合馈电技术提高了天线的带宽，克服了由于周围组织和封装导致的频率失谐导致天线带外的可能性。这项研究的目的是将从小动物身上提取的生理信号无线传输到通过USB电缆连接到计算机的外部RFID读取器(400MHz)。天线的整体尺寸为32mm×22mm×4mm，利用RFID标签的地平面来提高天线的性能。建立了动物组织模型，将天线包裹在生物相容性材料中，然后放入该模型。本文探讨了封装材料的影响，在需要时可以利用封装材料对天线进行回调。发现所提出的植入天线的预测带宽约为8%。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Implantable 400MHz PIFA for bio-telemetry system

A miniaturized implantable antenna, to be implanted in small animal, designed for Medical Implantable Communications Services (MICS), is presented in this paper. The proximity couple-fed technique is applied to enhance the bandwidth of the antenna to overcome the out-of-band probability of the antenna due to frequency detuning by the surrounding tissue and encapsulation. The aim of this research is to transmit the extracted physiological signals from the body of a small animal wirelessly to an external RFID reader (400MHz) connected to a computer via USB cable. The overall dimensions of the antenna are 32mm×22mm×4mm and the ground plane of RFID tag is utilized to improve the performance of the antenna. Animal tissue model has been developed and the antenna is encapsulated by a bio-compatible material before putting it in this model. Effect of encapsulation material is explored in this paper which may be utilized to retune the antenna if needed. The predicted bandwidth of the proposed implanted antenna is found as approximately 8%.

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2015 International Conference on Electromagnetics in Advanced Applications (ICEAA)

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