This method discussed by Kapandji (1976) in which pins are passed through the fracture line and not through the styloid process provides dynamic pinning in comminuted fractures in the adult resulting from compression and extension. No plaster is used. The authors report the experience of the unit of hand surgery in the Centre de Traumatologie et d'Orthopédie of Strasbourg (150 cases at present). They describe the technique and the indications.