PROBLEM TO BE SOLVED: To provide an ultrasonic treatment apparatus that performs a treatment in ideal timing.SOLUTION: An ultrasonic treatment apparatus 1 includes: a therapeutic ultrasonic irradiation part 7 that applies therapeutic ultrasonic waves, exerting a therapeutic effect, to an ultrasonic treatment material having the property of being accumulated in the affected part an accumulation determination part 4b that determines the presence or absence of the accumulation of the ultrasonic treatment material in the affected part and a determination result presentation part 5 that presents the result of determination made by the accumulation determination part 4b.COPYRIGHT: (C)2015,JPO&INPIT【課題】理想的なタイミングで治療を行う超音波治療装置を提供する。【解決手段】超音波治療装置1は、患部に集積する性質を有する超音波治療材に治療効果を発揮させる治療用の超音波を照射する治療用超音波照射部7と、超音波治療材の患部への集積の有無を判定する集積判定部4bと、該集積判定部4bによる判定結果を提示する判定結果提示部5とを備える。【選択図】図1