PMCF Study on the Safety and Performance of the Zimmer® Maxera™ Acetabular System in Total Hip Arthroplasty

Inclusion Criteria: * Patient is 18 to 75 years of age, inclusive. * Patient is skeletally mature. * Patient qualifies for primary unilateral or simultaneous bilateral total hip arthroplasty (THA) based on physical exam and medical history including at least one of the following: * Osteoarthritis * Avascular necrosis (AVN) * Inflammatory arthritis * Rheumatoid arthritis with adequate bone quality * Post-traumatic arthritis * Congenital hip dysplasia. * Patient has no history of previous total hip replacement or arthrodesis of the affected hip joint(s). Patient has a Harris Hip Score \<70 in the affected hip and a Harris Hip pain rating of moderate, marked, or disabled. * Patient is willing and able to provide written informed consent. * Patient is willing and able to cooperate in the required post-operative therapy. * Patient is willing and able to complete scheduled follow-up evaluations as described in the Informed Consent. * Patient has participated in the Informed Consent process and has signed the Ethics Committee approved informed consent. Exclusion Criteria: * The patient is: * A prisoner * Mentally incompetent or unable to understand what participation in the study entails. * A known alcohol or drug abuser * Anticipated to be non-compliant * The patient has a neuromuscular disorder, vascular disorder or other condition that could contribute to prosthesis instability, prosthesis fixation failure, or complications in postoperative care. * The pa…