PROBLEM TO BE SOLVED: To provide a new pigeon-breasted corrective orthosis in which a pressing action is concentrated on a projecting affected area (chest), and thereby a correction effect can be exerted sufficiently.SOLUTION: A pigeon-breasted corrective orthosis 1 of the present invention includes a harness base frame 2 being worn so as to surround a chest part of a patient P, and a press correction body 3 mounted to this harness base frame 2 to cover a chest affected area. The harness base frame 2 of these includes a chest frame 4 having appropriate rigidity and shoulder straps 5 for adjusting a height position of this chest frame 4. On the other hand, the press correction body 3 is provided in the forward inside to the chest frame 4, and is mounted so that an overhang position to inside can be adjusted freely.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2018,JPO&INPIT【課題】 突出した患部(胸部)に押圧作用を集中させ、矯正効果を充分に発揮できるようにした新規な鳩胸矯正用装具を提供する。【解決手段】 本発明の鳩胸矯正用装具1は、患者Pの胸郭部を取り囲むように装着されるハーネス基枠2と、このハーネス基枠2に取り付けられて胸部患部にあてがわれる押圧矯正体3とを具えてなり、このうちハーネス基枠2は、適宜の剛性を有する胸郭枠4と、この胸郭枠4の高さ位置を調整する肩ストラップ5とを具え、一方、押圧矯正体3は、胸郭枠4に対し、その前方内側に設けられ、内側への張出位置が調整自在に取り付けられることを特徴とする。【選択図】図1