[Problem] To provide a catheter that can disperse blood flowing out of it and soften the collision of the blood with the blood vessel wall.[Means for Resolution] A catheter 60 includes a blood feeding lumen 61 extending in an axial direction, a blood feeding side hole 63 communicating with a distal end of the blood feeding lumen, and a rectification part 70 that is disposed in the blood feeding lumen at a position facing the blood feeding side hole of the blood feeding lumen and rises in a direction intersecting with the axial direction.
