Clinical Research Directory

Inclusion Criteria: * Patient aged 18 to 87 ; * Patient with one of the following diseases: primary omarthrosis, cuff tear arthropathy, massive cuff tear or post instability arthropathy; * Patient in need of a total shoulder prosthesis; * Patient affiliated with or beneficiary of a social security scheme; * Patient who has given written informed consent for the study. Exclusion Criteria: * Patient with malignant diseases; * Patient with known or suspected infections; * Patient with neurological deficits that may affect shoulder function; * Patient with known incompatibility or allergy to product materials; * Patient with previous open shoulder surgery (fracture sequelae, plate or nail, revision ...), treated for fractures, or suffering from rheumatoid arthritis (this does not concern patients treated by arthroscopy, or bone block); * Protected major patient; * Vulnerable person according to article L1121-6 of the Public Health Code; * Pregnant or breastfeeding woman or woman of childbearing age; * Impossibility to follow the consultation schedule planned in the study (planned move or mutation, etc...). Exclusion criteria : * Patient with malignant diseases on the day of surgery; * Patient with known incompatibility or allergy to product materials on the day of surgery; * Patient with known or suspected infections on the day of surgery.