Endoscopic catheter of the present invention (1, 11) comprises a hole (2, 12) in the vicinity of the tip of the distal end has a diameter smaller than the inner diameter of the catheter, the hole is a plurality of . Endoscopic catheter of the present invention can exhibit multifunctional cleaning, suction, incision, ablation, coagulation hemostasis, such as flue gas.本発明の内視鏡用カテーテル(1、11)は、遠位端の先端近傍に孔(2、12)を備え、該孔は、該カテーテルの内径よりも小さい直径を有し、複数存在する。本発明の内視鏡用カテーテルは、洗浄、吸引、切開、焼灼、凝固止血、排煙などの多機能を発揮し得る。