Clinical Research Directory

The inclusion criteria are: 1. Patient with a disease (primary coxarthrosis, inflammatory arthritis of the hip, necrosis of the femoral head...) requiring the placement of a total hip prosthesis. 2. Patient who will receive an AMIStem® C cemented femoral stem. 3. Patient willing to comply with the study requirements 4. Patient who has signed the information letter agreeing to the processing of their data in the clinical evaluation 5. Patient affiliated to a social security system 6. Patients aged 18 to 85 years The criteria for non-inclusion are: 1. Participation in biomedical research 2. Minor patients 3. Protected adult patients 4. Vulnerable persons according to article L1121-6 of the Public Health Code 5. Pregnant or breastfeeding women 6. Patients unable to formulate their non-opposition 7. Patient refusing collection of personal data