The sutento component which is used at the time of medical dealing with has the group of apex of the curved line condition which opposes. The curved line section of apex of the deck has the radius of curvature which is larger than the curved line section of apex of other group.医療処置において使用されるステント部材は、対向する曲線状の頂点の組を有する。一組の頂点の曲線部は、他の組の頂点の曲線部よりも大きい曲率半径を有する。