电流密度
角质层
电阻率和电导率
电极
导管(解剖学)
材料科学
有限元法
电流(流体)
生物医学工程
复合材料
化学
电气工程
解剖
结构工程
工程类
物理
医学
病理
物理化学
量子力学
作者
Ning Sha,Laurence Kenney,Ben Heller,Anthony T. Barker,David Howard,Mojtaba Moatamedi
标识
DOI:10.1111/j.1525-1594.2008.00615.x
摘要
Abstract: Discomfort experienced during surface functional electrical stimulation (FES) is thought to be partly a result of localized high current density in the skin underneath the stimulating electrode. This article describes a finite element (FE) model to predict skin current density distribution in the region of the electrode during stimulation and its application to the identification of electrode properties that may act to reduce sensation. The FE model results show that the peak current density was located in an area immediately under the stratum corneum, adjacent to a sweat duct. A simulation of surface FES via a high‐resistivity electrode showed a reduction in this peak current density, when compared to that with a low‐resistivity electrode.
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