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Dual mobility is not only about reducing the risks of dislocations, the principle also allows for very large ranges of motion before impingement. The most obvious indications are: Dislocations, fractured necks of femur, the elderly (>70), non-compliant patients (alcohol, dementia..), tumours, joint laxity (neuro muscular disorders, cerebral palsy), rheumatoid arthritis, revisions..

NO. If it were the case patients would have a limited range of motion. In all studies patients have post-operative ranges of motion comparable to fixed bearing cups. 1st generation DM cups from ‘79 to ‘98 had 22,2mm heads only. If the PE had not moved the patients would have had very limited mobility. EVOLUTIS […]