Fig. 1

A 44 years old male patient with comminuted fracture (a) preoperative, (b) a computed tomography before the external fixator was replaced with the locking plate external fixator, (c) after repeated debridement, the external fixator was replaced with a locking plate external fixator, and the infection was controlled after VSD continues negative pressure drainage, (d) day one post-operation, (e) the 3rd-day post-operation, (f) sixth-day post-operation, (g) after re-vascular exploration, the skin flap gradually become necrotic, skin grafting was again performed, and repaired the local adjacent skin flap, (h) two weeks after the skin grafting and skin flap operation, the skin grafting area survive, with satisfactory blood circulation around the skin flap area