An ablation burr has a body provided with an inner circumferential rim and an outer circumferential rim that are concentric and spaced longitudinally by a selected distance along the length of the burr. The outer circumferential rim has a generally smooth convex outer surface that reduces damage to a...http://www.google.com/patents/US6482216?utm_source=gb-gplus-sharePatent US6482216 - Ablation device including guidewire with abrasive tip
