A Clinical Investigation of the Taperloc® Microplasty™ Hip System

Inclusion Criteria:

• Non-inflammatory degenerative joint disease including osteoarthritis and avascularnecrosis

• Rheumatoid arthritis.

• Correction of functional deformity.

• Treatment of non-union, femoral neck fracture, and trochanteric fractures of theproximal femur with head involvement, unmanageable by other techniques.

• Revision of previously failed femoral head resurfacing component

Exclusion Criteria: Absolute contraindications include:

• infection,

• sepsis, and

• osteomyelitis. Relative contraindications include:

• uncooperative patient or patient with neurologic disorders who are incapable offollowing directions,

• osteoporosis,

• metabolic disorders which may impair bone formation,

• osteomalacia,

• distant foci of infections which may spread to the implant site,

• rapid joint destruction, marked bone loss or bone resorption apparent onroentgenogram,

• vascular insufficiency, muscular atrophy, or neuromuscular disease.