Balloon catheter consisting of a multilumen shaft (1) which contains, at least, two internal channels (8) and (9); a multilumen shaft (1) this ending at its proximal end by a Y connection (4) were the internal channels (8) and (9) get separated until the Luer Lock connections (5); multilumen shaft (1) still ended at its distal and by the body of the balloon (2), which is crossed by the simple shaft (7) containing the application of at least two radio-opaque markers (3) presenting conical geometry, having a cylindrical portion at its proximal end (6) and manufactured in such a way that it may present or not a predetermined curvature.