脉冲核磁共振成像实验仪原理及其应用  

Working Principle and Application of Pulse Magnetic Resonance Imaging System

作　　者：甘泉[1] 曹国平[1] 王骏[2] 杜先懋[3] 殷瑞根[1] 王冬青[1] 刘欢欢[4] 崔恒武[4] 谢寰彤 

机构地区：[1]江苏大学附属医院影像科,江苏镇江212001 [2]南京军区南京总医院,南京210002 [3]扬州大学附属医院,江苏扬州225001 [4]江苏大学医学院,江苏镇江212013 [5]上海复旦企业高银科技,上海200433

出　　处：《医疗卫生装备》2010年第8期111-114,共4页Chinese Medical Equipment Journal

基　　金：江苏省教育厅指导性课题(04KJD320046)

摘　　要：目的:阐述脉冲核磁共振成像实验仪原理及其应用。方法:通过对脉冲核磁共振实验仪结构及原理分析和讨论,并结合实际应用来验证其作用。结果:证明了脉冲核磁共振实验仪可以直观地了解核磁共振技术基本原理和实现过程,同时还可以了解掌握各种脉冲序列原理及图像重建的数学处理方法,以及各种伪影产生机理和脉冲参数设置对图像的影响,一维二维三维成像研究等。结论:脉冲核磁共振成像实验仪为从事MRI相关人员提供了对MR成像原理及基本技术一个最直观的认知途径。Objective To expound the working principle and application of the pulse magnetic resonance imaging system.Methods The function and clinical values of the MRI system were verified by combining the analysis and discussion of its structure and working principle.Results The pulse MRI system not only enabled users to understand its basic working principles and implementation process effectively,but also demonstrated the principles of different pulse sequences and the mathematical processing methods of image reconstruction as well.It＇s useful in investigating the effects of artifact production mechanism and setup of different pulse parameters,as well as the study of 1D/2D/3D imaging.Conclusion The pulse MRI system presents a visual way to understand the working principles of MRI for related medical personnel.

关 键 词：脉冲核磁共振实验仪 T1T2测量 3D成像 SE序列 伪影观察 

分 类 号：TH774[机械工程—仪器科学与技术]