Fig. 2

A–D Serial radiographs of a 50-year-old patient after a II° open tibia fracture showing non-union 8 months after primary surgery (A, B) and osseous union 6 months after nail dynamization and fESWT (C, D). E–G A 27-year-old patient suffered from a closed femur fracture with consecutive non-union 1.5 years later (E, F). Treatment of the clinical control with nail dynamization was not successful after 6 months (G, H)