Patent ID: 8608688

Claim:
A catheter apparatus, the catheter apparatus having a proximal end and a distal end, the distal end being for insertion into a patient's body, the catheter apparatus comprising: a catheter having a proximal end and a distal end; first and second lumens for accommodating first and second guidewires respectively, each lumen comprising a distal opening, the distal openings of the first and second lumens being moveable relative to each other; and an actuator for controllably changing the separation between the distal openings of the first and second lumens; wherein a plurality of the first lumen and/or a plurality of the second lumen are provided, to provide a plurality of selectable lumens for accommodating the first and/or second guidewires; wherein the apparatus comprises a first lumen and a plurality of second lumens and the distal openings of the second lumens are arranged around the distal opening of the first lumen, and the actuator for controllably changing the separation between the distal openings of the lumens is arranged to move the distal openings of the second lumens in radial directions from the distal opening of the first lumen.