FIELD: medicine.
SUBSTANCE: system includes an elongated ultrasound device comprising a distal end and a proximal end, an ultrasonic actuator coupled to the proximal end of the transmitter and configured to actuate the transmitter in a pulsed mode. The pulse mode includes application of at least the first frequency during the first-time period and the second frequency during the second-time period.
EFFECT: application of the system allows to increase the efficiency when transferring ultrasound to a hard tissue.
9 cl, 6 dwg
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