MicroPort Orthopedics (MPO) is conducting this post market clinical follow-up (PMCF) study to evaluate the safety and efficacy of its total hip arthroplasty (THA) components marketed in the European Union (EU). These types of studies are required by regulatory authorities for all THA devices that do not have medium to long-term clinical evidence available at the time of gaining approval to market in the EU. This study has been designed in accordance with the medial device directives (MEDDEV) 2.12/2 rev 2.

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

Patients who have been previously implanted with a PROFEMUR® Gladiator Plasma Femoral Stem and PROCOTYL® L Beaded Acetabular Component