Patent ID: 7892233

Claim:
A magnetically navigable electrode catheter comprising: a sheath having a proximal end portion and a distal end portion; a flexible tube having a proximal end and a distal end slidably mounted in and telescoping from the sheath, and a lumen extending from the proximal end outside of a subject's body to the distal end, for delivery of fluids therethrough; a first electrode at the distal end of the flexible tube having at least one passage therethrough for delivery of fluids to the distal end of the flexible tube; a second electrode spaced proximally from the first electrode; and at least one magnet at the distal end portion of the flexible tube that is configured to orient the distal end portion of the flexible tube by the application of an externally applied magnetic field, the magnet having a passage therethrough for permitting delivery of fluids to the distal end of the flexible tube, wherein the at least one magnet is disposed on the distal end portion of the flexible tube such that a flex point is formed in between the at least one magnet and the distal end portion of the sheath so that the flexible tube bends at the flex point between the at least one magnet and the distal end of the sheath, and wherein the distal end of the flexible tube is adapted to be slidably mounted in the sheath so that the distal end portion telescopes from the distal end of the sheath.