Patent ID: 9192435
Filing Date: 2015-11-24
Classification: A61B

Abstract:
1. An apparatus, comprising: a catheter comprising a flexible shaft having a proximal end, a distal end, a lumen arrangement comprising a coolant lumen extending between the proximal and distal ends, and a length sufficient to access a patient's renal artery relative to a percutaneous access location; a conductor arrangement extending between the proximal and distal ends of the shaft; and an electrode arrangement coupled to the conductor arrangement and provided at the distal end of the shaft, the electrode arrangement dimensioned for deployment within the renal artery and comprising: a plurality of electrodes positioned on the distal end of the shaft in a spaced relationship, each of the electrodes comprising: and wherein at least one of the integral cooling arrangement and the distal end of the coolant lumen is configured to expel spent thermal transfer fluid into a blood stream of the renal artery.