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	Characteristics of an improved coil structure for the magnetic stereotaxis system
	Bai, Y; Wang, QL; Yang, M; Yu, YJ; Liu, HW; Kim, K
刊名	Ieee transactions on applied superconductivity
	2005-06-01
卷号	15期号:2页码:2344-2347
关键词	Linear gradient field Magnetic stereotaxis system Modified spherical coils Quadrupole magnet Sin 20 coils
ISSN号	1051-8223
DOI	10.1109/tasc.2005.849662
通讯作者	Bai, y(byyeah@mail.iee.ac.cn)
英文摘要	The magnetic stereotaxis system (mss) is a unique medical device designed to deliver drugs and other therapies directly into deep brain tissues. this approach uses superconducting coils to manipulate a small permanent magnet pellet attached to a catheter through the brain tissues. the movement of the small. pellet is controlled by a remote computer and displayed on a fluoroscopic imaging system. the magnets of the previous generations were composed of three pairs of orthogonal superconducting solenoid coils. the control strategies are complex because of the magnetic field distribution of solenoids. the high inductance values of solenoid coils can severely slow down the ratio of current change and therefore do harm to the control precision of a magnet pellet. this paper presents a novel type of spherical coils that can generate linear gradient fields over a large spherical volume. this type of modified spherical coils with a constant current distribution model is easy to fabricate in engineering and manufacture. a prototype of this spherical magnet has already been constructed with copper conductors at the applied superconductivity laboratory, cas. we have also completed the design of superconducting spherical coils with nbti conductors. simulation and test results of this magnet are also presented.
WOS研究方向	Engineering ; Physics
WOS类目	Engineering, Electrical & Electronic ; Physics, Applied
语种	英语
出版者	IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
WOS记录号	WOS:000229765700309
内容类型	期刊论文
URI标识	http://www.corc.org.cn/handle/1471x/2378061
专题	中国科学院大学
通讯作者	Bai, Y
作者单位	1.Chinese Acad Sci, Inst Elect Engn, Beijing 100080, Peoples R China 2.Chinese Acad Sci, Grad Sch, Beijing 100080, Peoples R China 3.Korea Basic Sci Inst, Taejon, South Korea
推荐引用方式 GB/T 7714	Bai, Y,Wang, QL,Yang, M,et al. Characteristics of an improved coil structure for the magnetic stereotaxis system[J]. Ieee transactions on applied superconductivity,2005,15(2):2344-2347.
APA	Bai, Y,Wang, QL,Yang, M,Yu, YJ,Liu, HW,&Kim, K.(2005).Characteristics of an improved coil structure for the magnetic stereotaxis system.Ieee transactions on applied superconductivity,15(2),2344-2347.
MLA	Bai, Y,et al."Characteristics of an improved coil structure for the magnetic stereotaxis system".Ieee transactions on applied superconductivity 15.2(2005):2344-2347.

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