MRI training and adjustment device for positioning the tip of a medical implement in living tissue, comprising a dummy which contains in the space inside it target pieces that show up in the MRI and the other component parts of which are invisible in the MRI, wherein a further component part of the training device is a base plate, which can be fastened under an MRI coil for the living tissue to be examined and carries at least one fastening block, which can be moved linearly with respect to the tissue and to which there can be detachably fastened either the dummy and/or a tissue pressing frame, which has an opening that is crossed by at least one elongated pressing rail, wherein the base plate, the fastening block, the tissue pressing frame and the pressing rail are invisible in the MRI.
