ULTRASONIC PROBE AND TREATMENT SYSTEM

WIPO Patent Application WO/2021/156963

A1

This ultrasonic probe comprises a treatment unit that is formed on a distal end of a transmission unit that transmits input vibrational energy, and cuts a subject being treated by vibrating at a predetermined amplitude, wherein the treatment unit has a first strike face that faces the subject being treated, a second strike face that faces the subject being treated at a position away from the first strike face toward a base end side in the axial direction, and a first side face that connects the first strike face to the second strike face in the axial direction and has a predetermined length in the axial direction, and wherein 0