A front piece (1b) disposed on the front surface of the incised thyroid cartilage and a rear surface piece (1c) disposed on the rear surface of the thyroid cartilage, and fitted to each of the mutually opposite cut ends of the incised thyroid cartilage. The front piece (1b) includes a plurality of sandwiching portions (1, 1) formed to fit together and a bridging portion (2) that connects the plurality of sandwiching portions (1, 1). A dysphonia treatment device that has a folding region (15) that is deformed around an imaginary line extending in the direction and that further includes a reinforcing structure (S), and the pinching portion is difficult to break. provide.切開された甲状軟骨の前面に配される前面片(1b)及び甲状軟骨の後面に配される後面片(1c)を具備し、前記切開された甲状軟骨の互いに対向する切断端のそれぞれに嵌合するように形成された複数の挟持部(1、1)と、前記複数の挟持部(1、1)を連結する架橋部(2)とを備え、前記前面片(1b)は、幅方向に延びる仮想線を中心に変形させる折り曲げ領域(15)を有し、さらに、折り曲げ領域(15)が補強構造(S)を有することを特徴とした、挟持部が破断し難い発声障害治療具を提供する。