PROBLEM TO BE SOLVED: To provide an ingrown toenail brace that corrects an ingrown toenail by magnetic force, prevents loss and can be worn in a toe easily.SOLUTION: An ingrown toenail correction appliance 10 is attached with a plate member 12 including a rectangular magnet so as to be perpendicular to the direction for inserting a first toe A into a finger sack 11. A gelatinous appliance holding material 20 containing a magnet body is inserted in the backside of an ingrown toenail B and the ingrown toenail correction appliance 10 is worn in the first toe A. Then, the plate member 12 formed in a shape along the cross section of the nail plate B in the health and the appliance holding material 20 are attracted with each other by magnetic force, and thereby the ingrown toenail B sandwiched between the plate member 12 and the appliance holding material 20 is pressurized to become a shape in the health from the shape with a side edge of the nail plates bent inside so as to be rolled up. The ingrown toenail B is corrected by this pressure, and thereby gradually curved in the shape in the health.COPYRIGHT: (C)2016,JPO&INPIT【課題】磁力によって陥入爪を矯正し、紛失を防止すると共に容易に足指に装着できる陥入爪矯正具を提供する。【解決手段】陥入爪矯正用装着具10は、指サック11に母趾Aを挿入する方向と直交するように矩形状の磁石を含む板状体12が取り付けられている。陥入爪Bの裏側に磁石体を含むゲル状の装着保持材20を挿入し、母趾Aに陥入爪矯正用装着具10を装着すると、健康時の爪甲Bの断面に沿う形状になっている板状体12と装着具保持材20とが磁力により吸引し合うことで、板状体12と装着具保持材20とで挟まれた陥入爪Bは、爪甲の側縁が内側に巻き込むように屈曲した形状から健康時の形状へなるように圧力が加わる。この圧力により陥入爪Bが矯正されることで、徐々に健康時の形状に湾曲してゆく。【選択図】図1