<;P>;PROBLEM TO BE SOLVED: To provide a stent that has a sufficient and even dilation power for all over as a stent and when it has indwelt in a curved organic lumen, it can curve well according to the curved shape of this organic part and suppress its deformation in the reverse direction. <;P>;SOLUTION: The stent has circular bodies arranged in the directions of a plurality of stent axes, and connection parts 3a, 3b for connecting them together. The stent is easy to deform toward a first direction, while it is hard to deform toward the reverse direction to the first direction, relative to its central axis. The stent includes a plurality of deforming direction control connection parts consisting of a first connection part 3a having an easy-to-deform part 36a forming a slit 32a extending in a first circumferential direction by a prescribed length and having an opening 33a at its leading end, and a slit closure base end part and the second connection part 3b having an easy-to-deform part 36b forming a slit 32b located opposite to the first connection part across the central axis of the stent, extending in the reverse circumferential direction to the first circumferential direction by a prescribed length, having an opening 33b at its leading end, and forming a slit closure base end part. <;P>;COPYRIGHT: (C)2010,JPO&INPIT