Signature Acetabular Posterior/Lateral Data Collection
Noninflammatory Degenerative Joint Disease, Avascular Necrosis, Rheumatoid Arthritis
About this trial
This is an interventional treatment trial for Noninflammatory Degenerative Joint Disease focused on measuring hip, Signature
Eligibility Criteria
Inclusion Criteria:
- Subjects with one of the following indication:
- Noninflammatory degenerative joint disease including osteoarthritis and avascular necrosis.
- Rheumatoid arthritis.
- Correction of functional deformity.
- Treatment of non-union, femoral neck fracture, and trochanteric fractures of the proximal femur with head involvement, unmanageable by other techniques.
Additional inclusion criteria include:
- Subjects requiring primary total hip arthroplasty
- 20 to 75 years of age
- Subjects with a diagnosis of osteoarthritis or traumatic arthritis
- Subjects willing to return for follow-up evaluations.
- Subjects who can read, understand study information and give written consent without representation of a legally authorized representative.
- Bilateral patients are included if staged.
- Only Posterior Lateral Approach can be used for inclusion in this study
Exclusion Criteria:
- Exclusion criteria should be in accordance with Contraindications for the Biomet primary acetabular cup.
Absolute contraindications include: infection, sepsis, osteomyelitis, and failure of a previous joint replacement.
Additional contraindications include:
- Subjects whose bony structure deviates substantially from the general norm sufficiently to require non-standard implants. Specific examples of these are total dislocation of the hip, severe coxa vera deformity, and severe forms of multiple epiphyseal dysplasia
- Subjects unable to cooperate with and complete the study
- Dementia and inability to understand and follow instructions
- Neurological conditions affecting movement
- Pregnancy
Additional exclusion criteria include:
- Surgical approach other than posterior lateral.
- Simultaneous bilateral procedures
Sites / Locations
Arms of the Study
Arm 1
Arm 2
Active Comparator
Active Comparator
Signature Cutting Guides
Conventional Instrumentation
Patients indicated for a Posterior Lateral THA utilizing non implantable Signature Cutting Guides during surgery.
Patients indicated for a Posterior Lateral THA utilizing non implantable Conventional Instrumentation during surgery.