Shelf Acetabuloplasty With 3D Printed Implants as a New Treatment for Symptomatic Adult Hip Dysplasia

Exclusion Criteria

• •Previous acetabular surgery \>10yr of age
• •Signs of osteoarthritis on x-ray (Tonnis classification \>1),
• •Body mass index of more than 35
• •Large labral tears visible on non-contrast MRI
• •Pre-consultation known titanium allergy
• •Pre-consultation known medical histories of diseases that per the investigator possibly affect the outcome: neuromuscular disease affecting the stability of the hip, diseases affecting bone ingrowth and fixation strength of the implant like rheumatoid arthritis and metabolic bone diseases, e.g. osteomalacie, osteoporosis, hyperparathyroidism, hypercalcemia.
• •Pre-consultation known pregnant women or women who are planning to become pregnant during the duration of the study.
• •Part of vulnerable population (e.g. Mentally disabled with cognitive impairment or mental disease)
• •Currently participating in another investigational clinical trial.
• •Unable to provide informed consent (e.g. insufficient language skills)