A locking mechanism for ensuring proper sequential usage of a surgical instrument is provided for an instrument utilizing a tissue treating energy, particularly a tissue heating energy, such as, for example, electrosurgical, ultrasonic, thermal, laser, infrared light, or other heating...http://www.google.fr/patents/US5807393?utm_source=gb-gplus-shareBrevet US5807393 - Surgical tissue treating device with locking mechanism
Surgical tissue treating device with locking mechanism
