An ablation device and methods thereof for treating canker sores or reducing the mass of cellular tissue, wherein an elongated tubular element comprises at least one electrode disposed at its distal section, RF energy generating means, and means for generating vibration at the distal section of the tubular...http://www.google.de/patents/US6165206?utm_source=gb-gplus-sharePatent US6165206 - Apparatus for medical ablation use and methods thereof
