Development of Magnetic Shielding System for Breast Hyperthermia Inductive Heating

被引:0
|
作者
Thosdeekoraphat, Thanaset [1 ]
Thongsopa, Chanchai [1 ]
机构
[1] Suranaree Univ Technol, Sch Telecommun Engn, Nakhon Ratchasima 30000, Thailand
来源
2012 ASIA-PACIFIC INTERNATIONAL SYMPOSIUM ON ELECTROMAGNETIC COMPATIBILITY (APEMC) | 2012年
关键词
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暂无
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
In this paper, the effect of cylindrical shield to heating area and location of induction heating for breast cancer hyperthermia treatment with hyperthermia inductive heating are presented. To determine heat distribution in the breast, which electric loss density is analyzed for various aperture sizes and radius of shielded cylindrical. It is a technique to control magnetic field intensity and relocate the heating area by using a cylindrical metal shielding with aperture. In the simulation, the inductive applicator is a ferrite core with diameter of 7 cm and excited by 4 MHz signal. The simulations show that the heating area can be effectively controlled by using the cylindrical shield with adjustable aperture size. The heating efficiency is reduced as the aperture size decreases. If the small heating area is needed, it may require longer treatment time. Nevertheless, the efficiency of heat can be increased by varying the radius size of shielding plate. Moreover, we investigate the position of heating region by varying the orientation of the ferrite core in x direction. The effect of horizontal position of the ferrite core to the heating location is also studied. Simulations show that the heating position can be relocated by changing the orientation of the ferrite core with cylindrical shield. The advantage of the magnetic shielding system is that it can be used to applied for prevent the effects of hyperthermia cancer treatment by induction heating.
引用
收藏
页码:465 / 468
页数:4
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