Joint endoprostheses; joint prostheses; medical apparatus and instruments, namely, joint pain therapy apparatus; artificial joint implants; artificial hip joints; hip joint implants and their parts made of artificial materials; artificial joints; artificial knee implants; medical, surgical and orthopaedic implants made of artificial materials; artificial orthopaedic implants; orthopedic joint implants; orthopaedic instruments, namely, joint implant prostheses; orthopedic articles, namely, joi...