PROBLEM TO BE SOLVED: To provide an ingrown nail corrector and a retainer, capable of improving easiness and rapidity of a fitting work to a nail.SOLUTION: A correction member is arranged in the warped state, on fixing members 1, 2 having a hook part 4 fitted freely removably so as to sandwich outside edges B2, B3 from the surface and the rear to the outside edges of a nail B, an insertion part 5 arranged integrally with the hook part, and inserting and supporting the correction member 3, and a contact piece part 6 arranged integrally with the insertion part, and holding immovably the correction member by contact resistance to the correction member inserted and supported to the insertion part.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2020,JPO&INPIT【課題】爪への装着作業の容易性及び迅速性の向上を図った巻爪矯正器および保持具を提供する。【解決手段】爪Bの外側縁に対して外側縁B2、B3を表裏から挟持するように嵌脱自在に嵌合されるフック部4と、フック部に一体として配され、矯正部材3を挿通支持する挿通部5と、挿通部に一体として配置され、挿通部に対して挿通支持される矯正部材に対する接触抵抗によって、該矯正部材を不動に保持する接触片部6とを有する固定部材1、2に、矯正部材を撓らせた状態で配置する。【選択図】図1