Provided is an apparatus for correcting deformation of a nail, which can be easily mounted without troublesome work without damaging the apparatus at the time of attachment. The first correcting member 12 of this device 10 includes a belt portion 18 having a serration portion 16 and a belt portion 18 disposed at one end portion in the longitudinal direction of the belt portion 18 and having a serrated portion 1 hooking portion 20. The second straightening member 14 includes a fastening portion 24 having an insertion hole 22 through which the belt portion 18 is inserted and fastening the belt portion 18 to the nail and a fastening portion 24 disposed inside the fastening portion 24 A locking claw portion 26 that is engaged with the serration portion 16 of the belt portion 18 inserted through the hole 22 and prevents the belt portion 18 from returning in a direction opposite to the insertion direction, And a second hooking portion extending in the insertion direction and engaged with the other end edge in the width direction of the claw.装着時に装置を損傷させることなく、手間を掛けずに簡単に装着することができる、爪の変形を直す装置を提供する。 この装置10の第1の矯正部材12は、セレーション部16を有するベルト部18と、ベルト部18の長さ方向の一端部に配設され、爪の幅方向の一端縁に掛止される第1の掛止部20を含む。第2の矯正部材14は、ベルト部18が挿通される挿通孔22を有し、ベルト部18を爪に締め付けて留める締付け留部24と、締付け留部24の内側に配設されて、挿通孔22に挿通されたベルト部18のセレーション部16と係止され、ベルト部18がその挿通方向とは逆方向に戻ることを阻止するロック爪部26と、締付け留部24からベルト部18の挿通方向に延びて形成され、爪の幅方向の他端縁に掛止される第2の掛止部28を含むことを特徴とする。
