[Bipolar dislocation of the clavicle or floating clavicle. A report of 3 cases].

Bipolar clavicular dislocation is uncommon. It associates an acromioclavicular and sternoclavicular dislocation. The authors review the mechanism of this injury and discuss the treatment. Three patients presented after a trauma of the shoulder a floating clavicle. In 2 patients management was surgical. Abstention was decided for the fourth patient. The pathology of floating clavicle is not completely understood. Two hypothesis were made: 1) two dislocations occur simultaneously; 2) two dislocations occur one after another. Management still difficult. Indications must take into considerations the severity of the injury and the functional consequences in the acromioclavicular joint.