<;P>;PROBLEM TO BE SOLVED: To provide an indwelling balloon catheter having a similar insertion property to that of a conventional one and capable of reducing an influence of a distal end portion of the balloon catheter indwelt in the body on a contacting tissue as much as possible. <;P>;SOLUTION: This indwelling balloon catheter consists of a tubular member at least having a main lumen and a balloon inflation lumen 5, and a balloon 3 provided at the distal end side of the tubular member, wherein the balloon is characterized in that at least one projecting member 6 is attached to the inner face and/or the outer face at a distal end side of the half of the balloon whole length. <;P>;COPYRIGHT: (C)2010,JPO&INPIT