A method of manufacturing a three-dimensional yarn using ultrasonic waves according to the present invention corresponds to an intaglio pattern of a mold base between an ultrasonic generator and a mold base disposed adjacent to each other. Insert the original yarn at the position, apply ultrasonic waves to the original yarn while pressing the original yarn through the ultrasonic generator, and eject the medical anti-fusing member generated according to the shape of the intaglio pattern by the ultrasonic wave. The medical prevention member includes a medical three-dimensional thread formed to have a plurality of projections facing each other on both sides, and a medical prevention screw. [Selection diagram] Fig. 1【解決手段】本発明による超音波を用いた３次元糸の製造方法は、互いに隣接した位置に配置された超音波発生部と金型ベースとの間で、金型ベースの陰刻パターンと対応する位置に原糸を挿入し、超音波発生部を介して原糸を加圧しながら原糸に超音波を与え、超音波により陰刻パターンの形状通りに生成された医療用解れ防止部材を射出して含み、医療用解れ防止部材は、両側に対向する複数の突起を有するように形成された医療用３次元糸と、医療用解れ防止ネジとを含む。【選択図】図１
