A Multielement Flexible Microstrip Patch Applicator for Microwave Hyperthermia

Yoshio NIKAWA; Masahiro YAMAMOTO

A Multielement Flexible Microstrip Patch Applicator for Microwave Hyperthermia

Yoshio NIKAWA, Masahiro YAMAMOTO

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A light, thin and flexible applicator using a microstrip patch array for microwave heating is presented and tested in this work. The applicator is made of a flat silicone rubber bag, inside of which flows cooling water. EM coupling feeding is applied, which has no direct contact between the feed and the patch, to improve durability and reliability when it is repeatedly applied to the uneven surface of the heated portion of the human body. Simulations of SAR distribution are performed using the finite difference time domain (FD-TD) method. Simulated data are compared with the experimental ones using cubic and cylindrical phantom models with single and multielement patch applicators. Simulations of temperature distribution are also performed using the heat transfer equation. Simulated data are compared with the experimental ones using cubic and cylindrical phantom models. The simulated results agree well with the experimental ones. The results obtained here show that the multielement flexible microstrip patch applicator which operates at 430MHz can heat a relatively shallow and widespread area on the human body for hyperthermia treatments.

Publication: IEICE TRANSACTIONS on Communications Vol.E78-B No.2 pp.145-151

Publication Date: 1995/02/25

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Type of Manuscript: Special Section PAPER (Special Issue on Electromagnetic Compatibility)

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Yoshio NIKAWA, Masahiro YAMAMOTO, "A Multielement Flexible Microstrip Patch Applicator for Microwave Hyperthermia" in IEICE TRANSACTIONS on Communications, vol. E78-B, no. 2, pp. 145-151, February 1995, doi: .
Abstract: A light, thin and flexible applicator using a microstrip patch array for microwave heating is presented and tested in this work. The applicator is made of a flat silicone rubber bag, inside of which flows cooling water. EM coupling feeding is applied, which has no direct contact between the feed and the patch, to improve durability and reliability when it is repeatedly applied to the uneven surface of the heated portion of the human body. Simulations of SAR distribution are performed using the finite difference time domain (FD-TD) method. Simulated data are compared with the experimental ones using cubic and cylindrical phantom models with single and multielement patch applicators. Simulations of temperature distribution are also performed using the heat transfer equation. Simulated data are compared with the experimental ones using cubic and cylindrical phantom models. The simulated results agree well with the experimental ones. The results obtained here show that the multielement flexible microstrip patch applicator which operates at 430MHz can heat a relatively shallow and widespread area on the human body for hyperthermia treatments.
URL: https://global.ieice.org/en_transactions/communications/10.1587/e78-b_2_145/_p

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@ARTICLE{e78-b_2_145,
author={Yoshio NIKAWA, Masahiro YAMAMOTO, },
journal={IEICE TRANSACTIONS on Communications},
title={A Multielement Flexible Microstrip Patch Applicator for Microwave Hyperthermia},
year={1995},
volume={E78-B},
number={2},
pages={145-151},
abstract={A light, thin and flexible applicator using a microstrip patch array for microwave heating is presented and tested in this work. The applicator is made of a flat silicone rubber bag, inside of which flows cooling water. EM coupling feeding is applied, which has no direct contact between the feed and the patch, to improve durability and reliability when it is repeatedly applied to the uneven surface of the heated portion of the human body. Simulations of SAR distribution are performed using the finite difference time domain (FD-TD) method. Simulated data are compared with the experimental ones using cubic and cylindrical phantom models with single and multielement patch applicators. Simulations of temperature distribution are also performed using the heat transfer equation. Simulated data are compared with the experimental ones using cubic and cylindrical phantom models. The simulated results agree well with the experimental ones. The results obtained here show that the multielement flexible microstrip patch applicator which operates at 430MHz can heat a relatively shallow and widespread area on the human body for hyperthermia treatments.},
keywords={},
doi={},
ISSN={},
month={February},}

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TY - JOUR
TI - A Multielement Flexible Microstrip Patch Applicator for Microwave Hyperthermia
T2 - IEICE TRANSACTIONS on Communications
SP - 145
EP - 151
AU - Yoshio NIKAWA
AU - Masahiro YAMAMOTO
PY - 1995
DO -
JO - IEICE TRANSACTIONS on Communications
SN -
VL - E78-B
IS - 2
JA - IEICE TRANSACTIONS on Communications
Y1 - February 1995
AB - A light, thin and flexible applicator using a microstrip patch array for microwave heating is presented and tested in this work. The applicator is made of a flat silicone rubber bag, inside of which flows cooling water. EM coupling feeding is applied, which has no direct contact between the feed and the patch, to improve durability and reliability when it is repeatedly applied to the uneven surface of the heated portion of the human body. Simulations of SAR distribution are performed using the finite difference time domain (FD-TD) method. Simulated data are compared with the experimental ones using cubic and cylindrical phantom models with single and multielement patch applicators. Simulations of temperature distribution are also performed using the heat transfer equation. Simulated data are compared with the experimental ones using cubic and cylindrical phantom models. The simulated results agree well with the experimental ones. The results obtained here show that the multielement flexible microstrip patch applicator which operates at 430MHz can heat a relatively shallow and widespread area on the human body for hyperthermia treatments.
ER -