M-Vizion™ Macroscopic Radiographic Study

Inclusion Criteria: * Must be able to read, understand, and provide written informed consent on the Institutional Review Board (IRB) approved Informed Consent Form (ICF). * Ability to understand and provide written authorization for use and disclosure of personal health information. * Subjects who are able and willing to comply with the study protocol and follow-up visits. * Patients requiring a revision total hip replacement. * Subjects undergoing revision THA who will receive an M-Vizion femoral component according to the indications for use. * Male and female patients ages 21 - 80 years of age at the time of surgery. Exclusion Criteria: * Patients with neuromuscular or neurosensory deficiency, which would limit the ability to assess the performance of the device. * Patients with a systemic or metabolic disorder leading to progressive bone deterioration. * Patients bone stock is compromised by disease or infection, which could possibly prevent adequate support and/or fixation to the prosthesis. * Patients with an active or suspected latent infection in or about the hip joint. * Patients that are incarcerated.