Objective To address the issue of existing hip joint continuous passive motion(CPM)devices failing to meet the home rehabilitation needs of patients,to develope a new type of home-use lower limb rehabilitation CPM device.Methods A main unit and a hip joint fixation strap were made up of the device.The hip joint fixation strap was controlled by the main unit to perform cyclic motion,facilitating the repetitive flexion and extension of patient's lower limb joints.The prototype was designed and manufactured according to relevant medical device standards,and its angle parameters,angular velocity,static load,noise,motion cycle,and safety performance were verified.Results The device enabled the acetabulum and femoral head of pediatric patients to undergo repeated flexion and extension within the range of 60°～90° at an angular velocity of 4～8°/s.The structural design and functional parameters of the device met the design objectives and complied with relevant standards.Conclusion The home-use lower limb rehabilitation CPM device developed in this study can meet the home rehabilitation needs of pediatric patients.
关键词
下肢康复持续被动运动/家用下肢康复训练设备/居家康复/痉挛性脑瘫
Key words
continuous passive motion for lower limbs rehabilitation/home-based lower limb rehabilitation training device/home rehabilitation/spastic cerebral palsy
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