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KMID : 1137820150360050221
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의공학회지
2015 Volume.36 No. 5 p.221 ~ p.227
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Development of Multi-Array Electrode and Programmable Multi-channel Electrical Stimulator for Firing Trigger Point of Myofascial Pain Syndrome
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Kim Soo-Hong
Kim Soo-Sung
Jeon Gye-Rok
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Abstract
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In this study, Multi-Array Electrodes (MAE) and Programmable Multi-channel Electrical Stimulator (PMES) were implemented for firing Trigger Points (TPs) of the patient with Myofascial Pain Syndrome (MPS). MAE has 25 Ag/AgCl electrodes arranged in the form of array (5 × 5) fabricated with flexible pad, which are applicable to be easy-attached to curved specific region of the human body. PMES consisted of 25 channels. Each channel was to generate various electric stimulus patterns (ESPs) by changing the mono-phasic or bi-phasic of ESP, On/Off duration of ESP, the interval between ESP, and amplitude of ESP. PMES hardware was composed of Host PC, Stimulation Pattern Editing Program (SPEP), and Multi-channel Electrical Stimulator (MES). Experiments were performed using MAE and PMES as the following. First experiment was performed to evaluate the function for each channel of Sub- Micro Controller Unit (SMCU) in MES. Second experiment was conducted on whether ESP applied from each channel of SMCU in PMES was focused to the electrode set to the ground, after applying ESP being output from each channel of SMCU in PMES to MAE.
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KEYWORD
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programmable, stimulator, trigger point, multi-array, multi-channel
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