[The Herbert screw in pseudoarthrosis of the carpal scaphoid].

For nearly three years, the authors have ensured scaphoid union by fixation with a double thread T.J. Herbert's screw. In these 25 cases a cancellous bone graft was used to fill the defect which would have left shortening of the scaphoid Twenty-two of the 25 cases, obtained rapid union, and 20 had a good or very good clinical result. One doubtful union and two cases of non-union occurred. One of these non-unions required revision. The main advantage of this procedure is to allow early mobilization of the wrist. This early is very appreciated by the patients who were immobilized several months by conservative treatment for their initial fracture.