<；P>；PROBLEM TO BE SOLVED: To provide a catheter allowing distal end deflection, effectively utilizing the internal lumen of the catheter, reducing the outer diameter of the catheter and being excellent in a restoration function after being bent as well. <；P>；SOLUTION: The catheter allowing the distal end deflection comprises: a catheter tube 4 provided with at least one lumen 14 extending along an axial direction； and a leaf spring 20 housed inside the lumen 14, for which a projected line 24 extending along the longitudinal direction is formed on one side or on both sides. <；P>；COPYRIGHT: (C)2009,JPO&INPIT
