MDR - G7 中性和 G7 自由约束中性髋臼内衬

This will include a consecutive series of subjects implanted with the G7 Freedom Constrained Liners in primary and revision total hip arthroplasty according to the approved

Inclusion Criteria:

• Patient must be 18 years of age or older and skeletally mature
• Patient must be willing and able to sign Institution Review Board (IRB) approved informed consent
• Noninflammatory degenerative joint disease including:
• Osteoarthritis
• 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
• High risk of dislocation due to:
• History of prior dislocation
• Bone loss
• Joint or soft tissue laxity
• Neuromuscular disease
• Intraoperative instability
• Revision procedures where other treatment or devices have failed

Exclusion Criteria:

• Off-label use
• Infection and/or distant foci of infections which may spread to the implant site
• Sepsis
• Osteomyelitis
• Uncooperative patient or patient with neurologic disorders who are incapable of following directions
• Osteoporosis
• Metabolic disorders which may impair bone formation
• Osteomalacia
• Rapid joint destruction, marked bone loss or bone resorption apparent on roentgenogram
• Vascular insufficiency, muscular atrophy or neuromuscular disease
• Patient is known to be pregnant or nursing
• Patient is a prisoner
• Patient is a known alcohol or drug abuser
• Patient has a psychiatric illness or cognitive deficit that will not allow for proper informed consent
• Patient is unwilling to sign an informed consent