M-Vizion™ Macroscopic Radiographic Study

Inclusion Criteria:

• Must be able to read, understand, and provide written informed consent on theInstitutional Review Board (IRB) approved Informed Consent Form (ICF).

• Ability to understand and provide written authorization for use and disclosure ofpersonal health information.

• Subjects who are able and willing to comply with the study protocol and follow-upvisits.

• Patients requiring a revision total hip replacement.

• Subjects undergoing revision THA who will receive an M-Vizion femoral componentaccording 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 theability to assess the performance of the device.

• Patients with a systemic or metabolic disorder leading to progressive bonedeterioration.

• Patients bone stock is compromised by disease or infection, which could possiblyprevent 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.