ANKLE-FOOT ORTHOSIS

To more effectively assist walking motion by having both of a plantar flexion braking function for inhibiting dropfoot and a plantar flexion auxiliary function for facilitating kicking.SOLUTION: An ankle-foot orthosis 1 includes: a shin side fixation member 2 to be attached to a shin part; a foot side fixation member 3 to be attached to a foot part; and connection member 4 connecting the fixation members. The connection member 4 has a plantar flexion braking part for braking plantar flexion of the foot side fixation member 3 and a plantar flexion energization part 7 for energizing the foot side fixation member 3 in a plantar flexion direction from dorsal flexion, in a storage part 51. The plantar flexion braking part includes a first member for applying resistance force against a displacement of the foot side fixation member 3 in the plantar flexion direction from a stationary position. The plantar flexion energization part includes a second member for applying energization force in the plantar flexion direction against the displacement of the foot side fixation member 3 in the plantar flexion direction from the stationary position.SELECTED DRAWING: Figure 1 【課題】 下垂足を抑制するための底屈制動機能と、蹴り出し時の底屈補助機能の両方を兼ね備えて、より効果的に歩行動作を補助する。【解決手段】 短下肢装具１は、脛部に装着される脛側固定部材２と、足部に装着される足側固定部材３と、これらを連結する連結部材４とを有する。連結部材４は、収納部５１に、足側固定部材３の底屈を制動する底屈制動部と、足側固定部材３を背屈から底屈方向へ付勢する底屈付勢部７とを備える。前記底屈制動部は、足側固定部材３の定常位置から底屈方向への変位に抵抗力を与える第１の部材を含み、前記底屈付勢部は、足側固定部材３の定常位置から背屈方向への変位に抗して底屈方向の付勢力を与える第２の部材を含んでいる。【選択図】 図１