介入式诊疗器件的三维定位系统研究  

Three-dimensional Localization System for Intra-body Microcapsule Based on Alternating Magnetic Field

作　　者：张培来[1] 颜国正[1] 姜萍萍[1] 王文兴[1] 

机构地区：[1]上海交通大学医学精密工程与智能系统研究所,上海200240

出　　处：《生物医学工程学杂志》2010年第2期245-248,共4页Journal of Biomedical Engineering

基　　金：国家自然科学基金资助项目(30570485);国家863计划资助项目(2006AA04Z368);上海交通大学医工交叉基金资助项目(YG2007MS21)

摘　　要：为了解决介入式诊疗器件的定位问题,提出了利用电磁定位系统的设计方法。根据三维电磁定位的原理,推导出了相应的数学模型,介绍了系统软硬件的具体实现方法,给出了实验结果并对结果进行了分析。实验结果表明,该方法具有可行性,在3～30 cm的范围内定位误差在3 cm以内,并且具有较好的抗干扰能力。In order to determine the position of an intra-body microcapsule,the system based on alternating magnetic field has been promoted.According to the theory of three-dimensional localization system,the mathematical model has been ratiocinated.Composing and software design of the system are given.The result of the experiment has demonstrated that the system is feasible and it performs with high precision.The position error is less than 3cm when the range is between 3 and 30cm.And the system has good anti-interference ability.

关 键 词：电磁定位 系统设计 误差分析 

分 类 号：R197.39[医药卫生—卫生事业管理]