Fig. 2
From: 3D printing-based minimally invasive cannulated screw treatment of unstable pelvic fracture
a 3D printed 1:1 scale physical model after simulated reduction; the Kirschner wire shows the simulated position and direction of the screw. b 3D printed 1:1 scale physical model used as a reference in operation. c Preoperative X-ray showing type B pelvic fracture, separation of the pubic symphysis, and dislocation of the left sacroiliac joint. d Postoperative pelvis showing pubic symphysis fixation with horizontal cannulated screw and left sacroiliac joint cannulated screw fixation