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BACKGROUND: To effectively address severe deformities at the fracture site in patients, meticulous preoperative preparation is essential. This involves ensuring the restoration of the normal structural force line of the affected area and prevention of any residual deformities. By utilizing E3D technology prior to surgery, creating models based on individual patient image data and performing osteotomy, the required surgical parameters can be measured, thereby reducing surgical risks and enhancing precision. CASE PRESENTATION: This article documents a case involving a fractured femoral shaft resulting in femoral deformation. In this case, computer-aided design technology was employed for preoperative planning and data measurement to guide the corrective osteotomy and fracture fixation procedures. CONCLUSION: The E3D software utilizes advanced techniques such as customized osteotomy, virtual reduction and internal fixation insertion technology. This enables the software to accurately pre-select the correction of femoral deformities and determine the appropriate specifications and types of internal implants. As a result, the software can create precise, rational, and personalized repair plans tailored to each patient’s needs.
Zhoua et al. (Tue,) studied this question.