PROBLEM TO BE SOLVED: To provide a medical device capable of improving operability when controlling the direction of the tip of a tube member. A medical device (1) includes a flexible tube member (13), a handle portion (14) that controls the direction of the tip of the tube member (13), and a first feed shaft (3) on which a first moving member (2) moves. A second feed shaft 5 on which the second moving member 4 moves, a first operating wire 6 having one end fixed to the tip of the tube member 13 and the other end fixed to the first moving member 2, A second operation wire 7 having one end fixed to the tip of the tube member 13 and the other end fixed to the second moving member 4, a first gear 8 fixed to the first feed shaft 3, The second gear 9 fixed to the second feed shaft 5 and the first gear 8 and the second gear 9 are provided between the first gear 8 and the second gear 9, and the rotational driving force is applied to the first gear 8 and the second gear 9. The 1st main gear 10 which transmits. [Selection diagram] Fig. 4【課題】チューブ部材の先端の向きを制御する際の操作性を向上させることが可能な医療機器を提供する。【解決手段】医療機器１は、可撓性を有するチューブ部材１３と、チューブ部材１３の先端の向きを制御するハンドル部１４と、第１の移動部材２が移動する第１の送り軸３と、第２の移動部材４が移動する第２の送り軸５と、一端がチューブ部材１３の先端に固定され、他端が第１の移動部材２に固定された第１の操作ワイヤ６と、一端がチューブ部材１３の先端に固定され、他端が第２の移動部材４に固定された第２の操作ワイヤ７と、第１の送り軸３に固定された第１のギア８と、第２の送り軸５に固定された第２のギア９と、第１のギア８と第２のギア９との間に設けられ、第１のギア８と第２のギア９に回転駆動力を伝達する第１のメインギア１０と、を備える。【選択図】図４
