Being ultrasonic disposal tool, the extending where the Tip and the sheath which possesses the basic destal (22) with, the aforementioned sheath (22) it is interposed, the aforementioned sheath (22) the interpolation section which is located inside (23c) with, the aforementioned interpolation section (23c) it is laid out in the Tip, the aforementioned sheath (22) from the disposal section of the hook form which projects (26) with the ultrasonic probe which it possesses (23) with, it possesses, the aforementioned disposal section (26), the aforementioned interior section (23c) antrorse, at the same time inclining to the diagonal downward look from the upper part part of the Tip, extending it does OutOut, the section (36) it possesses, it has become the form which aforementioned extending Out the section (36) the crevice (37) is formed underneath.超音波処置具であって、先端部及び基端部を有するシース(22)と、前記シース(22)に挿入され、前記シース(22)内に位置する内挿部(23c)と、前記内挿部(23c)の先端部に配置され、前記シース(22)から突出するフック形状の処置部(26)とを有する超音波プローブ(23)と、を具備し、前記処置部(26)は、前記内装部(23c)の先端の上側部分から前向きに、かつ斜め下向きに傾斜して延出する延出部(36)を有し、前記延出部(36)の下側に凹部(37)を形成する形状となっている。
