A fixation instrument for treating a bone fracture including a bone screw and a nail, wherein the bone screw extends through an opening in the head or proximal end of the nail. A movable insert is disposed within a chamber located at the proximal end of the nail. The insert engages the bone screw to...http://www.google.fr/patents/US8092454?utm_source=gb-gplus-shareBrevet US8092454 - Fixation instrument for treating a bone fracture
