Application of three-dimensional printing technology in peripheral hip diseases

Figures & data

Figure 1. Design and use of the 3D printed navigation template (a) the 3D navigation template model and the kirschner wire channel were reverse designed according to the 3D reconstruction of the femur. (b) A navigation template was used to simulate the osteotomy process using the kirschner wire as a lever. (c) the navigation template was accurately positioned at the femoral osteotomy during surgery. (d) the intraoperative examination was performed using C-arm x-rays [19]

Figure 2. Design, production, and application of 3D printed prosthesis after hip tumor resection (a) osteotomy (green) was simulated on the pelvis model (white), the excised specimen was purple and the tumor was red. (b) the prosthesis was designed based on simulated surgical reconstruction of bone defects, the sacroiliac joint and a part of the pubis were preserved. (c) the endoprosthesis model and prosthesis are exhibited (d) the postoperative plain radiographs showed an accurate reconstruction using a 3D-printed prosthesis [41]

Figure 3. Application of 3D printing technology in the treatment of acetabular fractures (a) 3D image reconstruction of the pelvis and femur of the patient. (b) mirrored reduction of the fractured hemipelvis (c) 3D printed mirror model of the hemipelvis that was used to design pre-contoured plates for internal fixation. (d) follow-up postoperative X-ray [51]

Figure 4. Print times for 12 patients with and without the surface filtering method [53]

Figure 5. The process of 3D printing technology combined with the gel casting method to manufacture ceramic hip prosthesis [58]

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