Fig. 4From: Application of preoperative 3D printing in the internal fixation of posterior rib fractures with embracing device: a cohort studyEndoscopic fixation of posterior rib fracture. (A) Open the embracing arms. (B) Dissect the fractured end. (C) Place the embracing device and spray with warm water. (D) Test whether the embracing device is stable. (E) The embracing device is not properly fixed and partially falls off (black arrow). (F) A well-fixed embracing deviceBack to article page