A novel model of high frequency electrical stimulation with transdermal amplitude modulated signaltransdermal
Publish place: International Conference on New Research Findings in Electrical Engineering and Computer Science
Publish Year: 1394
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
COMCONF01_801
تاریخ نمایه سازی: 8 آذر 1394
Abstract:
A transcutaneous amplitude modulated signal (TAMS), in which a high frequency (210 kHz) sinusoidal carrier is modulated by a traditional rectangular pulse, was proposed as a non-invasive neurostimulation approach that can modulate bladder activity similarly to direct pudendal nerve stimulation. The use of high frequency waveforms for TES is suggested by the reduced impedance of the skin with increasing frequency Thus, it may be possible to reach deeper structures by adding high frequency components to the stimulation waveform .We implemented a multilayer volume conductor model including dispersion and capacitive effects, coupled to a cable model of a nerve fiber. We simulated voltage- and current-controlled transcutaneous stimulation, and quantified the effects of frequency on the distribution of potentials and fiber excitation. Our model suggests that high-frequency signals generate larger potentials at depth than low frequencies. However, incorporating kHz signals in the stimulation waveform does not necessarily facilitate fiber excitation
Keywords:
electrical stimulation , overactive bladder , high-frequency nerve stimulation , transdermal amplitude modulated signal
Authors
Bashir Najafabadian
Department of Biomedical engineering, Science and Research Branch, Islamic Azad University, Tehran, Iran Young Researchers and Elite Club, Khomeinishahr Branch, Islamic Azad University, Khomeinishahr, Iran
Ahmad Najafabadian
Young Researchers and Elite Club, Najafabad Branch, Islamic Azad University, Najafabad, Iran
Taherehsadat Abdollahzadeh
Young Researchers and Elite Club, Khomeinishahr Branch, Islamic Azad University, Khomeinishahr, Iran
Sharare Mojahed Baghbaderani
Young Researchers and Elite Club, Khomeinishahr Branch, Islamic Azad University, Khomeinishahr, Iran
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