Patent ID: 9381063
Filing Date: 2016-07-05
CPC Classification: A61B

Claim Text:
1. A system for detecting or mapping and ablating a renal nerve ending within a renal artery comprising: a catheter having a body and a distal end for insertion into the renal artery; an ablation tip coupled at the distal end of the catheter; a plurality of annular ablation electrodes disposed circumferentially around the body of the catheter; a temperature sensor disposed in the distal end of the catheter within the ablation tip; a magnet disposed in the distal end of the catheter within the ablation tip; a plurality of articulated magnetic beads disposed in the body of the catheter; a sensor array including a plurality of MOSFET modules coupled to the surface of the body of the catheter, wherein the sensor array is arranged and configured to sense a local bioelectric potential of the renal nerve ending using the plurality of MOSFET modules; a computer accessible memory that stores the measurements of the bioelectric potential of the renal nerve ending obtained by the at least one sensor array; a computer processor communicated with the memory and the sensor array, the computer processor correlating the measurements of the bioelectric potential of the renal nerve ending sensed by the sensor array with a location of the distal end of the catheter to detect or create a map of the renal nerve ending; and a plurality of electromagnetic coils configured to create a controllable magnetic field source that is configured to guide and control the catheter through the renal artery by magnetic interaction with both the magnet disposed in the distal end of the catheter within the ablation tip and with the plurality of articulated magnetic beads disposed in the body of the catheter to the renal nerve ending as recorded on the map to controllably position the ablation tip at the mapped renal nerve ending.