Abstract

We developed a grasp assistance system, which can support gripping force for elderly people and also can do rehabilitation for their hand action. It is small and light system, it can attach to human hand directly. The drive mechanism consists of a bevel gear and an internal gear for MP joint, a wire and a torsion spring for PIP joint. We measurement the assisting force, it produced the assistance force enough for a practical use. And also we combined this mechanism in his hand and confirmed that this system can aid gripping action easily.

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