Assessment of Safety and Performances of HYPE Stems Associated to a SERF Acetabular Cup in Hip Arthroplasty (2017-01-NH)

Inclusion Criteria: * Male or female * Degenerative or inflammatory hip disease requiring total hip replacement * Primary or secondary osteoarthritis, * Advanced joint destruction resulting from rheumatoid arthritis or traumatic origin, * Avascular fracture or necrosis, * Displaced subcapital and transcervical fracture as well as PAPROSKY stages I to IIB bone defects. * Joint destruction of traumatic origin * Following a previous operation, provided that the new device does not interfere with the material in place (osteosynthesis, joint reconstruction, arthrodesis, hemiarthroplasty, total arthroplasty). Exclusion Criteria: * Patient with a psychological, family, sociological or geographical situation likely to hinder compliance with the study protocol and follow-up * Known pregnancy in progress * Breastfeeding * Patient requiring a bone graft * Neurological disorders or other pathology that may influence locomotion * History of sepsis in the hip to be operated on * Short-term vital prognosis