The invention provides a surgical tool, which generates a precise, pre-defined cut surface so that a good fit between the contact surfaces of the prosthesis and the bone is ensured. The removal is affected by the use of a tool that has a vibrating unit and a holding part, which is important for directing to the bone. There is an oscillating stroke movement along an axis parallel to the mounting direction of the joint prosthesis, as well as rotational movement about the same axis. The moving tool head has lying surfaces at an angle to one another, which are then adapted to the contact surfaces of joint prostheses. In order to produce defined-sectional areas, the holding part is fixed in the bone intramedullary, to ensure a guide of the surgical tool with fastening elements.
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