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Wheelchairs are important tools for rehabilitation. They are not only a means of transportation for people with physical disabilities and mobility impairments, but more importantly, they enable them to exercise and participate in social activities with the help of wheelchairs. Ordinary wheelchairs are generally composed of four parts: wheelchair frame, wheels, brake device and seat. Hand-cranked wheelchairs are based on ordinary wheelchairs and have a hand-cranked device added. Electric wheelchairs are based on ordinary wheelchairs and have an electronic power-assisting system added to reduce the user’s physical exertion. Smart wheelchairs are based on electric wheelchairs and have added positioning movement, standing movement, remote control movement and related Internet + assisted life.
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