| 用于电阻抗断层成像的真实颅骨物理模型研究 |
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| 引用本文： | 李建波,董秀珍,汤池,尤富生,付峰,史学涛,刘锐岗,代萌.用于电阻抗断层成像的真实颅骨物理模型研究[J].医疗卫生装备,2011,32(1):1-3. |
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| 作者姓名： | 李建波 董秀珍 汤池 尤富生 付峰 史学涛 刘锐岗 代萌 |
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| 作者单位： | 第四军医大学生物医学工程学院,西安,710032 |
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| 基金项目： | 国家自然科学基金重点项目，国家自然科学基金面上项目 |
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| 摘 要： | 目的：研究制作近似真实形状和电阻率分布的颅骨物理模型的方法,为电阻抗断层成像的相关研究提供更加准确的实验平台。方法：采集颅骨的CT图像,用快速成型机制作出树脂模型,然后将每一块树脂模型翻制成不同电阻率的石膏模型并将其黏合成完整的颅骨模型,最后测量分析模型的精确性。结果：首次制作了近似真实形状和真实电阻率分布的颅骨模型,外形差异平均值为0.20 mm,模型电阻率值与真实值无明显差异（P〉0.05）。结论：所做模型可满足实验需要,有利于开展脑部电阻抗断层成像的深入研究。
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| 关 键 词： | 电阻抗断层成像（EIT） 颅骨 模型 快速成型（RP） |
Study on Realistic Skull Model in Electrical Impedance Tomography |
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| LI Jian-bo,DONG Xiu-zhen,TANG Chi,YOU Fu-sheng,FU Feng,SHI Xue-tao,LIU Rui-gang,DAI Meng.Study on Realistic Skull Model in Electrical Impedance Tomography[J].Chinese Medical Equipment Journal,2011,32(1):1-3. |
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| Authors: | LI Jian-bo DONG Xiu-zhen TANG Chi YOU Fu-sheng FU Feng SHI Xue-tao LIU Rui-gang DAI Meng |
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| Institution: | LI Jian-bo,DONG Xiu-zhen,TANG Chi,YOU Fu-sheng,FU Feng,SHI Xue-tao,LIU Rui-gang,DAI Meng(Biomedicine Engineering Department,the 4th Military Medical University,Xi'an 710032,China) |
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| Abstract: | Objective To establish realistic skull model for research on electrical impedance tomography(EIT) in order to give more accurate experience platform in EIT study.Methods Firstly,CT scanning was performed to obtain the data of a skull.Secondly,resinous skull models were fabricated by rapid prototyping machine based on these data.Thirdly,gypseous duplicates with different resistivities were produced and then were stuck together into a realistic skull model.Finally statistical analysis was conducted to validat... |
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| Keywords: | Electrical Impedance Tomography(EIT) skull model rapid prototyping(RP) |
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