[ Surgical and medical instruments and apparatus for use in orthopaedic surgery; ] medical devices [ and instruments ] for application of bone replacement materials; prostheses for hip, knee, shoulder [ and spine; endoprostheses; ] joint implants consisting of artificial materials; joint implants comprising natural, non-living materials; prosthetic [ and filling ] porous bone replacement materials for surgical and orthopaedic purposes, namely, artificial materials for use in the replacement o...