Application of FDTD method for kidney microwave hyperthermia using annular phased array

Proceedings of the Seventeenth National Radio Science Conference. 17th NRSC'2000 (IEEE Cat. No.00EX396) Pub Date : 2000-02-22 DOI:10.1109/NRSC.2000.838980

N. Ismail, A. El-Nagar

引用次数: 2

Abstract

The finite difference time domain (FDTD) method is used to determine the electromagnetic power distribution and calculate the specific absorption rates (SARs) inside human body. In this paper, this method is applied to evaluate SAR in an inhomogeneous tissue which has a cylindrical shape. An annular phased array (APA) consisting of eight dipoles is used to focus the SARs inside the model. A deionized water bolus is placed between the model and the radiating dipoles to improve field matching as well as to obtain superficial cooling. For this mode, focusing SAR by APA at one or both kidneys is investigated.

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环形相控阵时域有限差分法在肾脏微波热疗中的应用

利用时域有限差分法(FDTD)确定电磁功率分布，计算人体的比吸收率(sar)。本文将该方法应用于非均匀圆柱形组织的SAR评价。采用由8个偶极子组成的环形相控阵(APA)来聚焦模型内的sar。在模型和辐射偶极子之间放置去离子水丸以改善场匹配并获得表面冷却。对于这种模式，研究了APA在一个或两个肾脏上聚焦SAR。

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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来源期刊

Proceedings of the Seventeenth National Radio Science Conference. 17th NRSC'2000 (IEEE Cat. No.00EX396)

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