Patent ID: 6235024
Filing Date: 2001-05-22
Classification: A61B,A61N

Abstract:
A catheter system comprising:an elongate catheter tubing having a distal section, a distal end, a proximal end, and at least one lumen extending between the distal end and the proximal end;a handle attached to the proximal end of said elongate catheter tubing, wherein the handle has a cavity;an ablation element mounted at the distal section of the elongate catheter tubing, the ablation element having a wall with an outer surface and an inner surface, wherein the outer surface is covered with an outer member made of a first electrically conductive material and the inner surface is covered with an inner member made of a second electrically conductive material, and wherein the wall comprises an ultrasound transducer;an electrical conducting means having a first and a second electrical wires, wherein the first electrical wire is coupled to the outer member and the second electrical wire is coupled to the inner member of the ablation element; anda high frequency energy generator means for providing a radiofrequency energy to the ablation element through a first electrical wire of the electrical conducting means.