Vantage Mobile Bearing Total Ankle System Post Market Clinical Follow-up (Outside US)

Who May Qualify: - Patient is indicated for total ankle arthroplasty - Patient is at least 21 years of age - Patient is likely to be available for follow-up out to 10 years - Patient is willing to participate by complying with pre- and postoperative visit requirements - Patient is willing and able to read and sign a study willing to sign a consent form form Who Should NOT Join This Trial: - Patient with excessive bone loss at the ankle joint site - Patient with severe osteoporosis - Patient with complete talar avascular necrosis - Patient with active osteomyelitis - Patient with infection at the ankle site or infection at distant sites that could migrate to the ankle - Patient with sepsis - Patient with vascular deficiency in the involved limb - Pateint with neuropathic joints - Patient with neurological or musculoskeletal disease or loss of function that may adversely affect movement of the lower limb, gait, or weight bearing - Patient with poor soft tissue coverage around the ankle - Patient with Charcot arthropathy - Previsous ankle arthrodesis with excision of the malleoli - Excessive loads as cuased by activity or patient weight - per investigator discretion - Skeletally immature patients (patient is less than 21 years if age at time of surgery) - Patient with dementia - Patient with known metal allergies - Patients who are unwilling to provide willing to sign a consent form - Patients who are unlikely to be available for follow-up out to 10 years - Patients who are not deemed suitable candidates for the subject device - Patient is pregnant Always talk to your doctor about whether this trial is right for you.