Effect of a Catheter on SAR Distribution Around Interstitial Antenna for Microwave Hyperthermia

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概要

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• This paper describes that the dielectric characteristics of a catheter around the interstitial antenna have an effect on the wavelength for current, and this effect results in the variation of the SAR (Specific Absorption Rate) distribution around the antenna. A theoretical study of SAR distribution around a coaxial-slot antenna is performed. Analytical technique used is the moment method. Result and discussion on the effect of material and thickness of the catheter are presented. The wavelength for the current shortens with increasing dielectric constant or decreasing thickness of the catheter. Due to this variation of the wavelength for current, the SAR distributions take various shapes.

• 社団法人電子情報通信学会の論文
• 1995-06-25

著者

• Hamada L

  Chiba Univ. Chiba‐shi Jpn

• ITO Koichi

  Faculty of Engineering, Chiba University

• KASAI Haruo

  Department of Electrical and Electronics Engineering, Chiba University

• Wu Meng-Shien

  Graduate School of Science and Technology, Chiba University

• Hamada Lira

  Faculty of Engineering, Chiba University

• Kasai Haruo

  Faculty of Engineering, Chiba University

• Wu Meng-Shien

  Faculty of Engineering, Chiba University

• Wu Meng-shien

  Graduate School Of Science And Technology Chiba University

• Kasai H

  Tokyo Engineering Univ. Hachioji‐shi Jpn

• Ito Koichi

  Faculty Of Engineering Chiba University

• Ito K

  Department Of Computer And Mathematical Sciences Graduate School Of Information Sciences Tohoku Univ

• ITO Koichi

  Faculty of Department of Precision Engineering Tohoku University

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