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KMID : 1137820090300040318
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2009 Volume.30 No. 4 p.318 ~ p.326
Measurement of Magnetic Flux and Induced Current in Magnetic Stimulation for Urinary Incontinence Treatment
Han Byung-Hee

Choi Kyung-Moo
Cho Min-Hyoung
Lee Soo-Yeol
Abstract
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.
KEYWORD
magnetic nerve stimulation, urinary incontinence, induced current, magnetic flux density, safety
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