An ultrasonic tool system for probing patient tissue, the system comprising: an ultrasonic handpiece comprising a tip having a distal region for treating patient tissue and at least one driver to which the tip is coupled and to which an AC drive signal is applied to vibrate the tip , the ultrasonic handpiece defining a first pathway for providing suction at the distal region of the tip and a second pathway for supplying fluid to the distal region of the tip ; and a control console coupled to the ultrasonic handpiece and configured to generate the AC drive signal applied to the at least one driver of the ultrasonic handpiece for vibrating the tip of the ultrasonic handpiece , the control console comprising: a first sensor for measuring a voltage of the AC drive signal; a second sensor for measuring a current of the AC drive signal; and a processor coupled to the first and second sensors and configured to: source the AC drive signal to the at least one driver of the ultrasonic handpiece , the AC drive signal inducing vibrations at the distal region of the tip that are insufficient to ablate the patient tissue; measure the voltage and current of the AC drive signal using the first and second sensors; and provide at least one of an audible, visual, or tactile indication based on the measured voltage and current. an ultrasonic handpiece comprising a tip having a distal region for treating patient tissue and at least one driver to which the tip is coupled and to which an AC drive signal is applied to vibrate the tip , the ultrasonic handpiece defining a first pathway for providing suction at the distal region of the tip and a second pathway for supplying fluid to the distal region of the tip ; and a control console coupled to the ultrasonic handpiece and configured to generate the AC drive signal applied to the at least one driver of the ultrasonic handpiece for vibrating the tip of the ultrasonic handpiece , the control console comprising: a first sensor for measuring a voltage of the AC drive signal; a second sensor for measuring a current of the AC drive signal; and a processor coupled to the first and second sensors and configured to: source the AC drive signal to the at least one driver of the ultrasonic handpiece , the AC drive signal inducing vibrations at the distal region of the tip that are insufficient to ablate the patient tissue; measure the voltage and current of the AC drive signal using the first and second sensors; and provide at least one of an audible, visual, or tactile indication based on the measured voltage and current. a first sensor for measuring a voltage of the AC drive signal; a second sensor for measuring a current of the AC drive signal; and a processor coupled to the first and second sensors and configured to: source the AC drive signal to the at least one driver of the ultrasonic handpiece , the AC drive signal inducing vibrations at the distal region of the tip that are insufficient to ablate the patient tissue; measure the voltage and current of the AC drive signal using the first and second sensors; and provide at least one of an audible, visual, or tactile indication based on the measured voltage and current. source the AC drive signal to the at least one driver of the ultrasonic handpiece , the AC drive signal inducing vibrations at the distal region of the tip that are insufficient to ablate the patient tissue; measure the voltage and current of the AC drive signal using the first and second sensors; and provide at least one of an audible, visual, or tactile indication based on the measured voltage and current. <EOS>