KMID : 1137820090300040318
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ÀÇ°øÇÐȸÁö 2009 Volume.30 No. 4 p.318 ~ p.326
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Measurement of Magnetic Flux and Induced Current in Magnetic Stimulation for Urinary Incontinence Treatment
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Han Byung-Hee
Choi Kyung-Moo Cho Min-Hyoung Lee Soo-Yeol
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Abstract
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A simple method for measuring magnetic flux and induced current in magnetic nerve stimulation for urinary incontinence treatment is proposed. Unlike electric nerve stimulation, direct measurement of the induced current in magnetic nerve stimulation is impossible. Since induced currents stimulate nerves or muscles in magnetic nerve stimulation, measuring induced current is very important in validating stimulation efficacy and securing safety. The magnetic flux measuring system is composed of 6 layers with pick-up coils of 7 by 7 in each layer, and the induced current measuring system is composed of 6 layers with 7 concentric circular coils in each layer. The proposed method can be used in the design or performance test of a magnetic nerve stimulator for many clinical applications such as urinary incontinence treatment, activation of peripheral nerves, and transcranial magnetic stimulation.
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KEYWORD
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magnetic nerve stimulation, urinary incontinence, induced current, magnetic flux density, safety
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