Ceramic-on-Ceramic (COC) 36mm Acetabular Bearing Insert Post Approval Study-New Subjects (COC36mmPAS)

Who can take part

• Males and females between 21 - 75 at the time of surgery
• Individuals, who in the opinion of the investigator, are suitable candidates for primary total hip replacement using the devices specified in this protocol
• Individuals with non-inflammatory degenerative joint disease (NIDJD) or any of its composite diagnoses of osteoarthritis, avascular necrosis, and posttraumatic arthritis
• Individuals who are willing and able to provide informed patient consent for participation in the study
• Individuals who are willing and able to return for follow-up as specified by the study protocol; and
• Individuals who are willing and able to complete the Subject Hip Outcomes questionnaire as specified by the study protocol

Who cannot take part

• Subject has participated in an IDE/IND clinical investigation, other than the COC28/COC36 IDE or PAS for their contralateral hip, with an investigational product in the last three months
• Evidence of active infections that may spread to other areas of the body (e.g.,osteomyelitis, pyogenic infection of the hip joint, overt infection, urinary tract infection, etc.)
• The presence of any known neoplastic (tumor-causing) or metastatic (spread of cancerous cells) disease
• Significant neurologic or musculoskeletal disorders or diseases that may adversely affect gait, weight bearing or postoperative recovery (e.g., muscular dystrophy, multiple sclerosis)
• Presence of highly communicable disease(s) that may limit follow-up (e.g., immuno-compromised conditions, hepatitis, active tuberculosis, etc.)
• Any condition that may interfere with postoperative recovery (e.g., Paget's disease, Charcot's disease)
• Use in patients with known allergies to the implant materials
• Inflammatory degenerative joint disease (like rheumatoid arthritis)
• Subject is a known drug or alcohol abuser or has a psychological disorder that could affect their ability to comply with protocol procedures and/or subject-completed questionnaires
• The Subject has a medical condition with less than 2 years of life expectancy
• Skeletally immature patients (tibial and femoral epiphyses not closed)
• Inadequate bone stock to support the device (e.g., severe osteopenia orosteoporosis)
• Poor skin coverage around the hip joint
• Marked atrophy (muscle and/or tissue loss) or deformity in the upper femur such as a birth defect affecting the leg bones
• Subject is currently involved in a personal injury litigation, medical-legal or worker's compensation claims
• The Subject is a woman who is pregnant or lactating