| 注入电流式磁声成像的电导率模型构建和实验研究 |
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| 引用本文： | 张顺起,殷涛,马任,欧德平,刘志朋.注入电流式磁声成像的电导率模型构建和实验研究[J].中国生物医学工程学报,2011,30(6):801-806. |
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| 作者姓名： | 张顺起 殷涛 马任 欧德平 刘志朋 |
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| 作者单位： | 中国医学科学院北京协和医学院生物医学工程研究所,天津,300192 |
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| 基金项目： | 国家自然科学基金，天津市应用基础重点项目 |
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| 摘 要： | 基于磁声耦合效应的电导率成像是一种新型的生物组织功能成像技术,本课题旨在对注入电流式磁声成像方法进行仿真和实验研究.以金属圆环作为成像目标,将其置于稳恒磁场中,并对其加载微秒级正弦脉冲激励,对磁声耦合作用下产生的声振动进行检测和分析.借助有限元方法对磁声正问题进行仿真,同时建立注入电流式磁声耦合成像实验装置,对电导率模...
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| 关 键 词： | 功能成像 注入式 磁声耦合效应 电导率模型 |
Study on Imaging with Current Exciting Conductivity Model Based on Magnetoacoustic Effect |
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| ZHANG Shun-Qi,YIN Tao,MA Ren,OU De-Ping,LIU Zhi-Peng.Study on Imaging with Current Exciting Conductivity Model Based on Magnetoacoustic Effect[J].Chinese Journal of Biomedical Engineering,2011,30(6):801-806. |
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| Authors: | ZHANG Shun-Qi YIN Tao MA Ren OU De-Ping LIU Zhi-Peng |
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| Institution: | ZHANG Shun-Qi YIN Tao MA Ren OU De-Ping LIU Zhi-Peng (Institute of Biomedical Engineering,Chinese Academy of Medical Sciences & Peking Union Medical College,Tianjin 300192,China) |
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| Abstract: | Magnetoacoustic imaging with electrical exciting is a newly proposed imaging approach to conduct noninvasive electrical conductivity imaging of biological tissue.In this paper,the imaging method is studied using computer simulation and experiment.Objects of metal coils was placed in a static magnetic field.Microsecond sine pulse stimulations were imposed on the objects and the acoustic responses generated by magnetoacoustic effect were detected and analyzed.The finite element method was applied in magnetoac... |
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| Keywords: | functional imaging electrical exciting magnetoacoustic effect conductivity model |
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