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The Allegro is indicated for use in the following surgical specialties when the fragmentation, emulsification and aspiration of soft tissue is desired. -General Surgery -Plastic and reconstructive Surgery

The Allegro is comprised of a power conditioner (110/120 volts AC), a microcomputer, a control panel, a signal generator, a BNC output, and a separate surgical handpiece. The power conditioner serves to buffer the system from commercial electrical discontinuities and provides a continuous electrical signal to Allegro's components. The microcomputer integrates Allegro's system components and provides a user-friendly control interface. The control panel provides for user input and system settings and displays. The signal generator creates electrical current in programmable waveforms (20-25 kHz). The BNC output connects the system to the surgical handpiece. The surgical handpiece contains the electromotive engine (piezoelectric ceramic stack), the infiltration/aspiration port, and the ultrasonic surgical probe. The electrical waveforms sent to the handpiece excite the motor stack and cause high-frequency, small amplitude motion of the ultrasonic surgical probe. Motion at the tip of the probe fragments local soft tissue, which is then aspirated through the probe.