A catheter that is particularly useful for mapping tubular regions of the heart, such as the pulmonary vein, is provided. The catheter comprises an elongated tubular catheter body having an outer wall, proximal and distal ends, and at least one lumen extending therethrough. The catheter further includes...http://www.google.es/patents/US6711428?utm_source=gb-gplus-sharePatente US6711428 - Catheter having mapping assembly
