An endoscopic apparatus includes a pair of jaws pivotably connected to each other and movable between an open position and a closed position. The jaws have respective opposing gripper portions. Each gripper portion has a distal end, a proximal end, and an inside surface extending between the distal and...http://www.google.fr/patents/US7131977?utm_source=gb-gplus-shareBrevet US7131977 - Apparatus and method for removing a clip