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Invention Application
WO2022260098A1 継手装置 审中-公开

継手装置
Abstract:
電動義足（１）は、膝下側部材（１１０）と、膝上側部材（１２０）と、膝下側部材（１１０）と膝上側部材（１２０）との成す角を変更可能に連接する膝関節機構（１３０）と、延在方向の一方側が膝下側部材（１１０）に機械的に接続され、他方側が膝上側部材１２０に機械的に接続されるとともに伸縮することにより膝下側部材（１１０）と膝上側部材（１２０）との成す角を変更可能な伸縮装置（１４０）と、を備える。膝関節機構１３０の回動部１３５を中心とした膝下側部材（１１０）と膝上側部材（１２０）との成す角のうち、最小成す角度が小さい方を第２成す角（θ２）としたとき、伸縮装置（１４０）は、少なくとも一部が第１成す角（θ１）側に配置される。
Abstract(English):

A motorized prosthetic leg (1) comprises: a below-knee member (110); an above-knee member (120); a knee joint mechanism (130) coupling the below-knee member (110) and the above-knee member (120) such that the angle therebetween can be changed; and an expansion/contraction device (140) capable of changing the angle between the below-knee member (110) and the above-knee member (120) through expansion and contraction, wherein one side of the expansion/contraction device (140) in the extension direction is mechanically connected to the below-knee member (110), and the other side is mechanically connected to the above-knee member (120). When the smaller minimum angle among the angle formed by the below-knee member (110) and the above-knee member (120) about a rotary part (135) of the knee joint mechanism (130) is a second angle (θ2), at least a part of the expansion/contraction device (140) is disposed on a first angle (θ1) side.

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