为PD病患设计的步行机器人与气动助行装置同时使用的研究
A Study on Simultaneous Use of a Robotic Walker and a Pneumatic Walking Assist Device Designed for PD Patients
摘要：
帕金森病（PD）是一种常见的神经退行性疾病，影响运动和非运动症状。姿势不稳定和步态冻结（FOG）被认为是PD导致跌倒的运动症状。在这项研究中，我们研究了同时使用机器人步行器和气动步行辅助装置（PWAD）对PD患者步态特征的影响。腿部的气动驱动人工肌肉和助行器上的致动器产生相互诱导的刺激，允许用户抑制FOG并在行走时保持稳定的步态模式。所提出的系统的性能进行了评估进行8 [m]直线步行任务的健康受试者与（a）RW（机器人步行器），（b）同时使用RW和PWAD，和一些步态特征的每种条件进行了分析。步态周期中步幅增加和站立相持续时间减少表明，同时使用机器人助行器和气动行走辅助装置将有效减少FOG并维持PD患者稳定的步态模式。
英文摘要：
Parkinson's disease (PD) is a common neurodegenerative disease that affects motor and non-motor symptoms. Postural instability and freezing of gait (FOG) are considered motor symptoms of PD resulting in falling. In this study, we investigated the effect of simultaneous use of a robotic walker and a pneumatic walking assist device (PWAD) for PD patients on gait features. The pneumatic actuated artificial muscle on the leg and actuators on the walker produce mutual induced stimulation, allowing the user to suppress FOG and maintain a stable gait pattern while walking. The performance of the proposed system was evaluated by conducting an 8 [m] straight-line walking task by a healthy subject with (a) RW (robotic walker), (b) simultaneous use of an RW and a PWAD, and some gait features for each condition were analyzed. The increasing stride length and decreasing stance phase duration in the gait cycle suggest that simultaneous use of a robotic walker and a pneumatic walking assist device would effectively decrease FOG and maintain a stable gait pattern for PD patients.
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