Clinical Research Directory

Inclusion Criteria: * Primary osteoarthritis of the hip necessitating primary hip replacement, * Suitability for straight cementless stem, * Adult male and female under 70years old, * Ability to give informed consent, * Patients who understand the conditions of the study and are willing to participate for the length of the prescribed follow-up. Exclusion Criteria: * Post-traumatic deformity in the affected hip, * Patient suffering by rheumatoid arthritis, * Patient suffering by congenital or developmental deformity, * Severe osteoporosis, * Earlier surgery in the hip to be operated on, * Perioperative fracture, * Personal disorders (dementia, alcohol or drug abuse etc) suspected of making completion of the trial uncertain, * Patients with a history of active infection * Pregnant women or those seeking to become pregnant