【摘要】 体感诱发电位是检测脊神经和周围神经活动的重要方法，而经皮电刺激是体感诱发电位检测中的常用手段，通过对经皮刺激电极下电势场和电流密度场的分布的研究，可以提高检测的效率与质量。我们采用镜像法，对经皮刺激电极下人体组织中电位场和电流密度场的分布进行了理论的推导，得到了场分布的解析解，以此解析解为基础，就可以得到电极放置位置下场分布的数值解，为临床神经刺激提供理论指导。更多还原

【Abstract】 The detection of somatosensory evoked potential (SEP) has been an important approach to determining the function of spinal cord and peripheral nerve. Transepidermal Electrical Neuromuscular Stimulation (TENS) on the posterior tibial nerve for SEP is one of the applications and can improve the effectiveness. This paper theoretically studies the distribution of potential field and current density field for human tissue under TENS. A mirror method is used and the analytical solution of the potential distribution is obtained.更多还原