| 乳腺检测的高精度EIT系统的设计 |
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| 引用本文： | 王磊,宋光,王妍,沙洪. 乳腺检测的高精度EIT系统的设计[J]. 国际生物医学工程杂志, 2010, 33(6): 351-353,357. DOI: 10.3760/cma.j.issn.1673-4181.2010.06.008 |
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| 作者姓名： | 王磊 宋光 王妍 沙洪 |
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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： | 天津市科技支撑计划重点项目,国家自然科学基金资助项目 |
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| 摘 要： | 目的 设计用于乳腺检测的多通道串并结合处理的高精度电阻抗断层成像数据采集系统.方法 以ADuC845为控制核心,机械开关与模拟开关相结合的办法设计并实现高精度、多模式16电极电阻抗断层成像（EIT）硬件系统,编写上位机软件平台用于数据的通讯与处理.结果 使用该系统进行了初步的成像实验,取得了较好的成像结果.结论 采用多通道高精度EIT系统进行乳腺检测是可行的,且可作为一种辅助手段应用于乳腺疾病的诊断与治疗.
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| 关 键 词： | 乳腺检测 电阻抗断层成像 高精度数据采集 电子开关阵列 |
Design of high-precision EIT System for breast detection |
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| Affiliation: | WANG Lei, SONG Guang, WANG Yah, et al.( Institute of Biomedical Engineering, Chinese Academy of Medical Sciences ＆ Peking Union Medical College, Tianjin 300192, China) |
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| Abstract: | Objective To design high-precision electrical impedance tomography data collection system combining serial and parallel processing methods for multi-channel breast detection. Methods A highprecision, multi-mode 16-electrode electrical impedance tomography(EIT)hardware system was designed in which ADuC845 was used as control center and which combined mechanical and analog switches. Meanwhile, PC software was programmed for data communication and processing. Results Preliminary EIT imaging experiments were performed and the results were satisfactory. Conclusion It is feasible to apply multi-channel high-precision EIT system for the breast detection, and it can be used as an aid to the diagnosis and treatment of breast diseases. |
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| Keywords: | Breast detection Electrical impedance tomography High-precision data collection Switch array |
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