1. An ultrasonic surgical system comprising: an ultrasonic unit including an instrument operatively connected to an ultrasonic generator, wherein said instrument includes an end effector; a positioning unit including a movable arm, wherein said moveable arm is adapted to hold said instrument of said ultrasonic unit; a control unit in communication with said ultrasonic unit and said positioning unit, said control unit being programmable with a surgical subroutine for performing a surgical task; and a user interface in communication with said control unit, said user interface being adapted to initiating an operative cycle of said surgical subroutine such that said surgical task is automatically performed during said operative cycle.