Surgical apparatus and instruments; medical apparatus and instruments for use in orthopaedic surgery; orthopaedic articles in the nature of bone prostheses, joint prostheses, hip prostheses, partial hip prostheses, surface hip prostheses, total joint prostheses for the treatment of degenerative arthritis; orthopaedic devices, namely, orthopaedic implants made of artificial materials, orthopaedic joint implants, surgical instruments for installing hip and knee implants and for use in orthopaed...