Clinical Research Directory

Inclusion Criteria: * Has undergone primary THA for any of the following: * Non-inflammatory degenerative joint disease such as osteoarthritis, avascular necrosis, ankylosis, protrusio acetabuli, or painful hip dysplasia; * Inflammatory degenerative joint disease such as rheumatoid arthritis; or * Correction of functional deformity * Subject is implanted with the specified combination of components * Subject is willing and able to complete required study visits or assessments Previously implanted bilateral subjects can have both THAs enrolled in the study provided: * the specified combination of components were implanted in both * all other aspects of the Inclusion/Exclusion Criteria are satisfied * enrollment does not exceed the subject count specified in the Clinical Trial Agreement * the subject agrees to a second Informed Consent document specific to the second THA. Exclusion Criteria: * Subjects implanted with a metal-on-metal articulation * Subjects implanted with non-MPO or non-Wright Medical Technology components (femoral heads, acetabular shells, acetabular liners) at the time of their primary THA in the enrolled THA * Subjects skeletally immature (less than 21 years of age) at time of primary THA surgery * Subjects currently enrolled in another clinical study which could affect the endpoints of this protocol * Subjects unwilling to sign the Informed Consent document * Subjects with substance abuse issues * Subjects who are incarcerated or having pending incarceration