吴 臻,周 慧,李光林.表面垂足刺激器的研究现状与趋势[J].集成技术,2013,2(4):56-60
表面垂足刺激器的研究现状与趋势
Current Research and Development Trend of Surface Drop Foot Stimulator
  
DOI:
中文关键词:  足下垂;康复;脑卒中;垂足刺激器
英文关键词:foot drop; recovery; cerebral stroke; drop-foot electric stimulator
基金项目:国家科学基金青年基金(61201114)
作者单位
吴 臻 中国科学院深圳先进技术研究院 深圳 518055;广州医科大学研究生学院 广州 510000 
周 慧 中国科学院深圳先进技术研究院 深圳 518055 
李光林 中国科学院深圳先进技术研究院 深圳 518055 
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中文摘要:
      足下垂是由腓总神经功能障碍引起踝关节无法背屈、行走时足趾拖地的症状。它不仅影响患者日常行走,还会使 其产生自卑心理。表面垂足刺激器将刺激电极贴附在腓总神经或者胫骨前肌上,使用传感器来侦测脚步动作,通过电刺 激使脚踝产生背曲屈及翻转动作,改善步行摆动期所发生的足下垂现象。本文阐述了表面垂足刺激器的工作原理及研究 进展,并对基于生物信号反馈的闭环足下垂刺激器的研究趋势进行了介绍。
英文摘要:
      Foot drop is the inability to voluntarily dorsiflex the ankle during the swing phase of gait and is usually caused by weakness and damages of the peroneal nerve. The consequences of the foot drop include the decreasing of gait quality, the limiting of mobility, the increasing of falling risk, and great increasing of energy expenditure during walking. Firstly biosignal sensors are used in the drop foot stimulator to detect foot movements. Then the surface drop foot stimulator produces a predefined stimulation profile to the peroneal nerve or tibialis anterial to elicit a dorsiflexion of the foot synchronized with the swing phase of gait to lift the foot. This paper reviewed the fundamentals and current researches of drop foot stimulators. Moreover, the development trends of the closed loop drop foot stimulator were also discussed in the paper.
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