Surgical instruments and implants, comprising artificial material, for joint replacement and use by healthcare providers; prostheses, in particular endoprostheses but not spinal endoprostheses, for use by healthcare providers; endoprosthetic implants, but not spinal endoprosthetic implants, made of artificial materials, for use by healthcare providers; artificial acetabulum implants, for use by healthcare providers; artificial hip joint implants for use by healthcare providers, artificial kne...