Patent 8734439 was granted and assigned to AngioDynamics on May, 2014 by the United States Patent and Trademark Office.
An ablation apparatus includes an ablation energy source producing an electromagnetic energy output. A multiple antenna device is included, and has a primary antenna with a longitudinal axis, a central lumen and a distal end, and a secondary antenna with a distal end. The secondary antenna is deployed from the primary antenna central lumen in a lateral direction relative to the longitudinal axis. The multiple antenna device is coupled to the ablation energy source.