A new perspect of maintaining triangulation within NOTES cholecystectomy

Background: One crucial point of using Natural Orifice Translumenal Endoscopic Surgery (NOTES) at cholecystectomy is triangulation. The main problem is, that if we operate through only one overtube, the triangulation is nearly impossible to effectuate. Also indispensable conditions are usage of a reliable grip and the possibility of unrestricted movement of the gallbladder which basically calls for more than one instrument. Without this grip and move ability the operation is too risky and unsecured to carry out. Method: Our experiments were performed on pig's liver-gallbladder-intestine model. We designed and de…