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清华大学学报(自然科学版)  2016, Vol. 56 Issue (4): 406-410,416    DOI: 10.16511/j.cnki.qhdxxb.2016.24.011
  工程物理 本期目录 | 过刊浏览 | 高级检索 |
基于有限元仿真的磁感应肿瘤治疗设备线圈优化设计
武建安1, 吴祖河1, 王亨1, 李利亚2, 唐劲天1
1. 清华大学 工程物理系, 粒子技术与辐射成像教育部重点实验室, 北京 100084;
2. 中日友好医院 中西医结合肿瘤内科, 北京 100029
Optimization of a coil design for magnetic hyperthermia treatment based on the finite element method
WU Jian'an1, WU Zuhe1, WANG Heng1, LI Liya2, TANG Jintian1
1. Key Laboratory of Particle & Radiation Imaging of the Ministry of Education, Department of Engineering Physics, Tsinghua University, Beijing 100084, China;
2. Oncology Department of Integrative Medicine, China-Japan Friendship Hospital, Beijing 100029, China
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摘要 在针对头部肿瘤的线圈式磁感应肿瘤治疗设备设计中,为了提高治疗磁场的强度与均匀度,需要对传统的圆形同轴线圈进行改进。根据临床需求和理论分析,采用D形线圈设计,并通过软件仿真与实际测量加以评估。结果表明:在相同条件下D形线圈与圆形线圈相比其中心磁场强度提高了约5.9%,有效治疗空间增加了约4.6%,设备性能有了一定的提高。线圈电感值的仿真与实际测量结果均符合设备要求。
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武建安
吴祖河
王亨
李利亚
唐劲天
关键词 肿瘤磁感应热疗有限元电磁场    
Abstract:A D-shaped coil improved the magnetic intensity and magnetic field uniformity over a circular coil for tumors in the head. The coil was designed using computer simulations and evaluated in trials with the center magnetic field intensity increased by 5.9%, and the valid treatment space increased by 4.6%. The coil also meets the design requirements.
Key wordstumor    magnetic hyperthermia    finite element method    electromagnetic field
收稿日期: 2015-06-04      出版日期: 2016-05-09
ZTFLH:  R730.59  
通讯作者: 唐劲天,研究员。E-mail:tangjt@mail.tsinghua.edu.cn     E-mail: tangjt@mail.tsinghua.edu.cn
引用本文:   
武建安, 吴祖河, 王亨, 李利亚, 唐劲天. 基于有限元仿真的磁感应肿瘤治疗设备线圈优化设计[J]. 清华大学学报(自然科学版), 2016, 56(4): 406-410,416.
WU Jian'an, WU Zuhe, WANG Heng, LI Liya, TANG Jintian. Optimization of a coil design for magnetic hyperthermia treatment based on the finite element method. Journal of Tsinghua University(Science and Technology), 2016, 56(4): 406-410,416.
链接本文:  
http://jst.tsinghuajournals.com/CN/10.16511/j.cnki.qhdxxb.2016.24.011  或          http://jst.tsinghuajournals.com/CN/Y2016/V56/I4/406
  图1 串联谐振电路原理图
  图2 建立D 形线圈模型与网格化结果
  表1 模型组件的电磁学属性值
  图3 不同平面上D 形线圈磁场强度分布图
  图4 不同轴线上D 形线圈与圆形线圈的磁场强度对比图
  表2 线圈电感矩阵
  图5 实际D 形线圈的设计与制造
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