R3 Delta Ceramic Acetabular System PAS U.S.

Inclusion Criteria: * Patient is 18-75 years old and he/she is skeletally mature * Patient requires primary total hip arthroplasty due to non-inflammatory degenerative joint disease (degenerative joint disease) such as osteoarthritis, avascular necrosis, or traumatic arthritis. * Patient has met an acceptable preoperative medical clearance and is free from or treated for cardiac, pulmonary, hematological, etc., conditions that would pose excessive operative risk * Patient is willing and able to participate in required follow-up visits and to complete study procedures and questionnaires * Patient has consented to participating in the study by signing the IRB/EC approved informed consent form Exclusion Criteria: * Patients with insufficient quantity or quality of bone support; metabolic bone disease; osteoporosis * Patients with neurological or muscular conditions that would place extreme load or instability upon the hip joint * Patients with active joint infections or chronic systemic infection * Obese patients where obesity is defined as BMI ≥ 40 * Skeletal immaturity * Known allergy to implant materials