OUTIL CHIRURGICAL A ULTRASONS POUVANT VIBRER DANS PLUSIEURS MODES ET SYSTEME DE COMMANDE INDUISANT DES VIBRATIONS NON LINEAIRES DANS LA POINTE DE L'OUTIL
An ultrasonic surgical tool system (3) with a tip capable of simultaneously vibrating in plural modes. The system includes a console (24) capable of supplying a drive signal to the tip that includes plural components. Each component has a frequency characteristic that is based in part on the equivalent of current through the mechanical components of the tip. The frequency components are different from each other. Based on the application of drive signal the tip undergoes non-linear vibrations.