PROBLEM TO BE SOLVED: To provide a balloon catheter with less discomfort of a patient at the time of insertion and wearing. SOLUTION: A catheter main body 20 having a first flow path 22 and a second flow path 23 inside, and a balloon part 40 at an end portion 21 on the discharge port side of the catheter, and the balloon part 40 can be expanded and contracted. The tube is inverted in the vicinity of the first connecting portion 42, which is composed of a flexible tube 41 and one end portion 41a of the tube 41 in the axial direction Y is connected to the discharge port end surface 20b of the catheter body 20, and the discharge port end surface 20b. A balloon catheter comprising the inverted portion 43 and a second connecting portion 44 in which the other end portion 41b of the tube in the axial direction is connected to the outer wall 20a of the catheter body 20. [Selection diagram] Fig. 3【課題】挿入時及び装着時の患者の不快感が少ないバルーンカテーテルを提供する。【解決手段】内部に第一流路２２及び第二流路２３を備えたカテーテル本体２０と、カテーテルの排出口側端部２１にバルーン部４０とを有し、バルーン部４０が、膨張収縮可能な可撓性のチューブ４１からなり、チューブ４１の軸方向Ｙの一端部４１ａが、カテーテル本体２０の排出口端面２０ｂに接続された第一接続部４２と、排出口端面２０ｂの近傍でチューブが反転された反転部４３と、チューブの軸方向の他端部４１ｂが、カテーテル本体２０の外壁２０ａに接続された第二接続部４４とを、備えるバルーンカテーテルとする。【選択図】図３
