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Case Reports
. 2022 Jul 2;2(4):584-591.
doi: 10.1016/j.xrrt.2022.06.004. eCollection 2022 Nov.

Three-dimensional printed bone cement prostheses can be used to treat bone defects in the distal humerus

Jiaxin Chen  1   2 , Wendong Zhang  1   2 , Pengtao Chen  1   2
Affiliations
Case Reports

Three-dimensional printed bone cement prostheses can be used to treat bone defects in the distal humerus

Jiaxin Chen et al. JSES Rev Rep Tech. .
No abstract available

Keywords: 3D print; Bone cement; Bone defect; Bone reconstruction; Digital cement prosthesis; Distal humerus fracture.

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Figures

Figure 1
Figure 1
Images of a 20-year-old man who suffered an extensive avulsion injury and a large bone defect in the distal humerus. (A) An extensive avulsion injury from his upper left arm to his shoulder. (B) X-ray showed a large bone defect in the distal humerus. (C, D) Three-dimensional computed tomography showed a radial head fracture and a large bone defect in the distal humerus.
Figure 2
Figure 2
The patient’s skin condition 2 months after injury. (A, B) Within 1 month after injury, the patient underwent multiple flap transfers and skin grafts in the burn department.
Figure 3
Figure 3
3D printing personalized prosthesis in the computer. (A) Imaging 3D reconstruction in Mimics21. (B) According to the shape of the defect of the lateral humeral condyle, 3D printing personalized prosthesis was designed. 3D, three-dimensional.
Figure 4
Figure 4
Bone cement molds are designed and printed using three-dimensional printing technology. (A) Mirror technology in computer programs. (B) Virtually engrave the prosthesis in the Freeform software. (C) Design and print bone cement shaping molds. (D) Sterilized bone cement molds, steel plates, and humerus models.
Figure 5
Figure 5
Display of surgical procedure. (A) Bone cement prosthesis making and plate fixed in vitro. (B) The bone plate and bone cement prosthesis complex were removed from the model and then implanted into the human body together.
Figure 6
Figure 6
Intraoperative and postoperative images. (A) Image after placing the plate. (B, C) X-ray and 3-dimensional computed tomography after the surgery.
Figure 7
Figure 7
Photos of the patient 2 months after surgery. (A, B) The degree of extension and flexion is partially limited. (C, D, E) The degree of external rotation is limited.
Figure 8
Figure 8
Photos and X-ray of the patient 6 months after surgery. (A) The degree of extension and flexion is slightly limited. The degree of external rotation is close to normal. (B) No prosthesis or screw loosening according to the X-ray.
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