Compound steering assemblies, usable in both diagnostic and therapeutic applications, enable a physician to swiftly and accurately steer the distal section of the catheter in multiple planes or complex curves to position and maintain ablation and/or mapping electrodes in intimate contact...http://www.google.fr/patents/US5820591?utm_source=gb-gplus-shareBrevet US5820591 - Assemblies for creating compound curves in distal catheter regions
Assemblies for creating compound curves in distal catheter regions