An electrosurgical pencil configured and adapted to support an electrocautery blade. A strain gauge is affixed to the proximal end of the electrocautery blade and measures the displacement of the blade as a result of resistance and drag acting on the blade. The electrosurgical pencil also includes a...http://www.google.se/patents/US8016824?utm_source=gb-gplus-sharePatent US8016824 - Electrosurgical pencil with drag sensing capability
