A device for selectively providing electrical energy from an electrosurgical generator for alternatively searing and coagulating tissue of a patient during surgery is provided. The electrocautery device has a blade electrically connected to an electrical cable. The electrocautery device comprises a hollow...http://www.google.de/patents/US20050070891?utm_source=gb-gplus-sharePatent US20050070891 - Self-evacuating electrocautery device