Clinical Research Directory

Inclusion Criteria: To be included in the study, subjects must meet all of the following criteria: * Has previously undergone primary Total Hip Arthroscopy 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; * Correction of functional deformity * Subject was implanted with the specified combination of components, namely, any MicroPort Orthopedics or Wright Medical Technology femoral stem and PROCOTYL C Acetabular Components * Subject is willing and able to complete required study visits or assessments Previously implanted bilateral subjects can have both THAs (Total Hip Arthroscopy) enrolled in the study provided: 1. the specified combination of components were implanted in both, 2. all other aspects of the Inclusion/Exclusion Criteria are satisfied, 3. enrollment does not exceed the subject count specified in the Clinical Trial Agreement, and 4. the subject agrees to a second Informed Consent document specific to the second THA. Prospective enrolment of a previously unimplanted hip is not permitted in this study. Exclusion Criteria: Subjects will be excluded if they meet any of the following criteria: * Subject was skeletally immature (less than 21 years of age) at time of implantation * Subject has a non-MicroPort or non-Wright Medical Technology component implanted (femoral heads, acetabular shells, acetabular liners) in the enrolled Total Hip Arthroscopy * Subject is currently enrolled in another clinical investigation which could affect the endpoints of this protocol * Subject is unwilling or unable to sign the Informed Consent document * Subject has documented substance abuse issues * Subject has an emotional or neurological condition that would pre-empt their ability or willingness to participate in the study * Subject is currently incarcerated or has impending incarceration