| 一种用于体内微型诊疗装置定位的磁场检测电路设计 |
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| 引用本文： | 彭小燕,彭承琳,侯文生,郑小林,吴旭东. 一种用于体内微型诊疗装置定位的磁场检测电路设计[J]. 医疗卫生装备, 2003, 24(12): 7-8 |
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| 作者姓名： | 彭小燕 彭承琳 侯文生 郑小林 吴旭东 |
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| 作者单位： | 重庆大学生物力学及组织工程,重庆大学光电技术及系统,教育部重点实验室,重庆市,400044 |
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| 基金项目： | 国家863项目“基于MEMS的人体消化道诊疗系统研究”的资助 |
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| 摘 要： | 空间磁场检测是磁场空间定位技术中的重要组成部分。根据将永磁体用于生物体内微型诊疗装置定位的实验研究需要，作者设计了一种基于单片机控制、能同时检测永磁体周围空间多点磁场参数的硬件电路。实验表明，本电路可以实现对永磁体空间磁场变化的实时检测，电路简单可靠，通道一致性好。
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| 关 键 词： | 体内微型诊疗装置 电路设计 磁场定位 多通道检测 AD转换 |
| 文章编号： | 1003-8868(2003)12-0007-02 |
| 修稿时间： | 2003-05-20 |
Design of a magneticfield detection circuit to locate the micro medical device inside the human body |
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| PENG Xiao-yan,PENG Cheng-lin,HOU Wen-sheng,ZHENG Xiao-lin,WU Xu-dong. Design of a magneticfield detection circuit to locate the micro medical device inside the human body[J]. Chinese Medical Equipment Journal, 2003, 24(12): 7-8 |
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| Authors: | PENG Xiao-yan PENG Cheng-lin HOU Wen-sheng ZHENG Xiao-lin WU Xu-dong |
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| Abstract: | The magnetic field detection is an important part of magneticfield-based position method.According to the need of experiment research for determining the location of micro device inside the human body through permanent magnet,this paper introduces a circuit based on S CM that is able to detect the multiposition magnetic parameters about the perma nent magnet at the same time.It is proved by experiments that the real-time d etection of the change of magnetic field can be realized through the simple and reliable circuit,which has good channel consistency. |
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| Keywords: | magneticfield-base d position multichannel detection AD conversion |
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