The invention relates to a hip or shoulder socket inlay setting instrument (10) comprising a grip section (11) and a suction element (12) that can be laid against the joint surface in a sealing fashion. The suction element (12) comprises a soft flexible molded part (13) tailored to the joint surface, said molded part is capable of being deformed using a pulling element (14) such that an (elevated) vacuum arises between the soft flexible molded part (13) and the joint surface upon abutment thereagainst.