A medical device for performing a therapeutic procedure on a patient. The device includes a body that is sized and shaped to engage a working end of an endoscope. The body has a recess therein. The device also includes an electrode positioned on the body and communicative with an energy source for delivering...http://www.google.es/patents/US7556627?utm_source=gb-gplus-sharePatente US7556627 - Mucosal ablation device