Insall Bustein or Nuffield .
Prosthesis of three parts: two elements tibial component , a stainless steel and a spacer of high density polyethylene (UHMWPE) , and femoral component of stainless steel
Prosthesis of three parts: two elements tibial component , a stainless steel and a spacer of high density polyethylene (UHMWPE) , and femoral component of stainless steel