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Magnetic Nerve Stimulation Coils with Magnetic Mirror Effect  

한병희 (경희대학교 동서의학대학원)
김기왕 (경희대학교 동서의학대학원)
김재곤 (경희대학교 동서의학대학원)
박태석 (경희대학교 동서의학대학원)
이수열 (경희대학교 동서의학대학원)
조민형 (경희대학교 동서의학대학원)
양종수 (경희대학교 동서의학대학원)
김정회 (한양대학교 의과대학 의공학교실)
Publication Information
Journal of Biomedical Engineering Research / v.23, no.4, 2002 , pp. 287-293 More about this Journal
Abstract
For non-contact nerve stimulations using time varying magnetic field, high amplitude current pulses have to be applied to a magnetic nerve stimulation coil. To increase the magnetic stimulation frequency we have to increase both power supply capacity and cooling capacity of the magnetic nerve stimulator. To alleviate these problems. we propose a new magnetic nerve stimulation coil design methods. Utilizing magnetic mirror effect of a ferro-magnetic plate attached to a magnetic stimulation coil. we have improved efficiency of the stimulation coil. We have analyzed magnetic mirror effect for various kinds of stimulation coils using the finite element method, and we present experimental results obtained with several kinds of stimulation coils.
Keywords
Magnetic nerve stimulation; Magnetic mirror; Stimulation coil; Ferro-magnetic material;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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