Inclusion Criteria:

  • Osteoarthritis
  • Age between 20 - 75 at the time of operation
  • Patients with limited co-morbidity -ASA I-III
  • Patients must be able to understand instructions and be willing to return for follow up

Exclusion Criteria:

  • In accordance with approved Absolute and Relative Contraindications for use in participating countries for E1 liner and Delta Ceramic and CoCr femoral head hip system System.

Absolute contraindications include: infection, sepsis, and osteomyelitis.

Relative contraindications include:

  1. uncooperative patient or patient with neurologic disorders who are incapable of following directions,
  2. osteoporosis,
  3. metabolic disorders which may impair bone formation,
  4. osteomalacia,
  5. distant foci of infections which may spread to the implant site,
  6. rapid joint destruction, marked bone loss or bone resorption apparent on roentgenogram, and
  7. vascular insufficiency, muscular atrophy, or neuromuscular disease.
  8. pregnancy

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