Uncoupling of the Femoral Head in a Case of Bipolar Hemiarthroplasty Dislocation.

Bipolar hemiarthroplasty of the hip is a routinely done procedure in the elderly with neck of femur fractures. An uncommon yet widely recognized complication is the dislocation of hemiarthroplasty. Uncoupling of the femoral head from the stem implant can complicate such dislocations.