Directional catheter

An intraluminal catheter for directing a guidewire and/or catheter in a desired direction within a bodily vessel or cavity. The intraluminal catheter has a first elongate tubular member and a support means which can comprise a second elongate tubular member that can pass over a main support guidewire. The catheter acts as a platform as the guidewire is passed through the first elongate tubular member and is deflected transversely outwardly by an angled surface through an aperture. A second intraluminal catheter has a first elongate tubular member and a support means comprising a second elongate tubular member. The first elongate tubular member has a main portion and an end portion, with the end portion being deflectable relative to the locus of the main portion so as to direct the guidewire passing through the end portion in a desired direction in the bodily vessel.