| abstract |
A cap for use during the insertion of an acetabular cup prosthesis comprising: nan impaction plate having an upperside and an underside, the impaction plate comprising a plurality of separate sectors mutually connected at a connection point on the impaction plate by means of flanges, each sector including interlocking means which in use enable the impaction plate to be connected to an introduction tool; and nat least one lug extending downwardly from the underside of each sector, said lug being located at the portion of the underside of the impaction cup which will in use enable the lug to be interconnected with a corresponding recess on an internal wall , an external wall or a rim of a prosthesis. |