The main object of the clinical investigation is the evaluation of Stem (SAPHIR) survival rate. The post market clinical follow up will also consider as further seconday endpoints: improvement of paient function, quality of life, safety of device (intended as possible adverse events related to the use of the prosthesis)
Post-market clinical follow up investigation on the use of saphir stem and FIN Cup or Dualis system in the treatment of pathologies requiring hip arthroplasty. The main object of the clinical investigation is the evaluation of long term survival rate of Saphir stem.