PROBLEM TO BE SOLVED: To provide an orthosis having good breathability while having suitable strength. SOLUTION: The orthosis 1 is provided with a band-shaped orthosis body 10 wrapped around the affected area P and holds the affected area P. The orthosis body 10 is a flexible resin band-shaped body and has a plurality of vent holes. It is in the form of 11 formed meshes. Further, the orthosis body 10 is restored to its basic shape with no load. Further, a plate-shaped front reinforcing plate 21 and a rear reinforcing plate 24 that are detachably attached to the orthosis body 10 and reinforce the orthosis body 10 are provided. [Selection diagram] Fig. 1【課題】好適な強度を有しつつ、良好な通気性を有する装具を提供する。【解決手段】患部Ｐに巻かれる帯状の装具本体１０を備え、患部Ｐを保持する装具１であって、装具本体１０は、可撓性を有する樹脂製の帯状体であり、複数の通気孔１１の形成されたメッシュ状である。また、装具本体１０は、無負荷状態で基本形状に復元する。さらに、装具本体１０に着脱自在に取り付けられ、装具本体１０を補強するプレート状の前補強プレート２１及び後補強プレート２４を備える。【選択図】図１
