Restoration Anatomic Acetabular Shell Revision Study

This study follows patients who are having a revision hip replacement surgery using a specific implant called the Restoration Anatomic Acetabular Shell. Revision surgery is performed when a previous hip replacement has failed and needs to be replaced. Researchers want to track how well this implant performs over time. You may be eligible if: - You need revision surgery to replace a failed hip socket (acetabular component) - You are skeletally mature (your bones have finished growing) - You are male or non-pregnant female - You are willing to attend follow-up visits after surgery You may NOT be eligible if: - Your retained hip stem is not a Stryker brand - Your BMI is above 45 - You have an active or suspected infection in or around the hip joint - You have a mental or neuromuscular disorder that creates risk for the implant - You have severely compromised bone stock - You have a systemic disease causing bone deterioration (e.g., lupus, Paget's disease) - You are immunosuppressed or taking long-term high-dose steroids - You have a known sensitivity to the implant materials - You are currently incarcerated Talk to your doctor to see if this trial is right for you.