A method for improving the ductility of a needle for a root canal treatment device and a method for manufacturing a needle for a root canal treatment device including the method.
PROBLEM TO BE SOLVED: To provide a method for manufacturing a needle for a root canal treatment device having improved ductility. SOLUTION: A method for manufacturing a needle for a root canal treatment device S100 includes a step S110 of manufacturing a hollow needle body in a desired shape using an alloy or a single metal, and a step of filling the hollow of the needle body with a packing member. A step S120 of providing the needle body to the chamber in a vacuum state and then heat-treating the needle body at a preset temperature in a non-active gas atmosphere, and a step of cooling and curing the needle body are included. [Selection diagram] Fig. 1【課題】延性が向上した根管治療器用ニードルの製造方法を提供する。【解決手段】根管治療器用ニードルの製造方法Ｓ１００は、合金又は単一の金属を用いて所望の形状に中空のニードル本体を製造するステップＳ１１０と、ニードル本体の中空にパッキング部材を充填するステップと、真空状態のチャンバーにニードル本体を提供した後、非活性ガス雰囲気下で予め設定された温度でニードル本体を熱処理するステップＳ１２０と、ニードル本体を冷却して硬化させるステップとを含む。【選択図】図１
