The operative technique described insures both reduction of the fragment and preservation of the crucial ligament in cases of avulsion fractures of the tibial attachment of the anterior or posterior crucial ligament. The method represents a decided advance in the treatment of these fractures, since by the general methods of treatment reduction is not possible and the stabilizing strength of the crucial ligament is lost.
Thus far, the technique has been carried out in four cases of fracture of the anterior crucial ligament and in two cases of avulsion of the tibial attachment of the posterior crucial ligament. The results have been entirely satisfactory, and the patients have obtained stable, painless joints with a full range of motion.