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|1. (WO2018078827) ULTRASONIC PROBE AND ULTRASONIC TREATMENT TOOL|
|Title:||ULTRASONIC PROBE AND ULTRASONIC TREATMENT TOOL|
This ultrasonic probe is provided with a probe main body part through which ultrasonic vibration is transmitted, and a treatment part that forms a hole in a bone to be treated. A path, in which cut debris of the bone cut by a cutting part for cutting bones is discharged from the cutting part in the longitudinal direction toward the proximal side, is provided inside the treatment part. The path is provided with: a first opening provided at the distal surface of the cutting part; and a second opening provided on a side surface part of the treatment part.