An Ultra-small Heated Area Masked Microwave Hyperthermia Therapy Scheme in Fresnel Region

Authors

  • Tamer G. Abouelnaga Microstrip Circuits Department, Electronics Research Institute ERI, Cairo, Egypt
  • Maha R. Abdel-Haleem Banha Faculty of Engineering, Banha University, Banha, Egypt

DOI:

https://doi.org/10.13052/2023.ACES.J.380407

Keywords:

antenna, array, hyperthermia, near-field, SAR

Abstract

This paper introduces a localized masked thermal therapy method for only the breast through the Fresnel region. A pyramidal horn antenna has been used as a hyperthermia system applicator. The antenna is fed by a Yagi array and resonates at 4.74 GHz. A metal plate with a square slot masked the breast phantom. The antenna irradiates the breast phantom for 5 and 10 minutes with input power of 10 and 20 watts (W). Thermal and specific absorption rate (SAR) distributions are studied under the same conditions for a fair comparison between masked and unmasked system performance. The square slot dimensions are altered, and their effects are studied considering the phantom heated area. Moving from unmasked to masked hyperthermia scenarios, a heated area size reduction of 99.87 % is achieved along with a very considerable SAR value reduction. The masked scenario elevates the breast temperature to 43 C∘ in a very concentrated area. The proposed system can elevate only an area of 2×2mm2 of the breast tissue to a temperature of 40 C∘ in 5 minutes, and that is a very promising result in hyperthermia therapy applications.

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Author Biographies

Tamer G. Abouelnaga, Microstrip Circuits Department, Electronics Research Institute ERI, Cairo, Egypt

Tamer Gaber Abouelnaga was born in November 1976. He received the B.Sc. (Hons.) degree in Electronics Engineering in 1999 from Menofiya University, Egypt. He gained the M.Sc. and Ph.D. degrees in 2007 and 2012, respectively, in Electronics and Communications from Ain Shams University. From 2012 to 2017 he worked as a Researcher, and since 2018 has been an Associate Professor in the Microstrip Circuits Department, Electronics Research Institute, Egypt. From 2018 to 2022 he was Students Affairs and Environmental Development Vice Dean at the Higher Institute of Engineering and Technology, Kafr Elsheikh City. He is currently Students Affairs Vice Dean at the Faculty of Industry and Energy Technology at New Cairo Technological University. He has published 47 papers, 33 papers in peer-refereed journals, and 14 papers in international conferences regarding antennas, couplers, filters, and dividers for different microwave applications. His current interest is in microwave usage in biological applications.

Maha R. Abdel-Haleem, Banha Faculty of Engineering, Banha University, Banha, Egypt

Maha R. Abdel-Haleem was born in 1989. She received the B.S. degree in Electrical Engineering from Benha University, Egypt, in 2011, and the M.S. degree from the School of Electronics, Communications, and Computer Engineering, Egypt-Japan University of Science and Technology, Alexandria, Egypt, in 2016. She is currently an Assistant Professor in the Faculty of Engineering, Banha University. Her research interests include wave propagation and biomedical engineering.

References

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Published

2023-04-30

How to Cite

[1]
T. G. . Abouelnaga and M. R. . Abdel-Haleem, “An Ultra-small Heated Area Masked Microwave Hyperthermia Therapy Scheme in Fresnel Region”, ACES Journal, vol. 38, no. 04, pp. 277–285, Apr. 2023.

Issue

2023: Vol 38 Iss 4

Section

General Submission

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