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| Simulation design and virtual medical education model of hip replacement surgery |
| PENG Jianqiao1* CHEN Haiyan2* LIU Yuping3* |
1.Orthopedic Institute, the First Affiliated Hospital of Guangzhou Medical University, Guangdong Province, Guangzhou 510120, China;
2.Orthopedic Department, Huidong People′s Hospital, Guangdong Province, Huizhou 516300, China;
3.President′s Office, the First Affiliated Hospital of Guangzhou Medical University, Guangdong Province, Guangzhou 510120, China |
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Abstract Objective Virtual design of joint replacement surgery model, to build a simulation platform to practice instead of teaching, on the occasion of surgical teaching to correct the "lack of practice" situation. Methods One patient who was admitted to the First Affiliated Hospital of Guangzhou Medical University from July to August 2016 and who suffered from hip osteoarthritis and planned to undergo total hip arthroplasty was randomly selected. After the lumbosacral vertebra was scanned by CT, the Mimics was imported into *.dicom format to reconstruct the 3D model of the pelvis, and Freeform Modeling was imported into *.stl format, the simulation surgical instrument was developed with the computer-aided design software ProE and Ghost SDK, and the visualized total hip replacement under the guidance of Phantom joystick was practiced. Results The experimental results showed that the 3D model of hip joint was clearly reconstructed by taking 3D wheeled cutting as the observation index. The geometrical shapes of the virtual designed surgical instruments and physical instruments were similar, and the total hip surgery model and physical surgery were highly simulated. Conclusion This training mode, with "training instead of teaching" as the main body, provides hands-on experience in the field, with remarkable effects. It can not only provide teaching cases for medical courses, but also provide planning basis for physical surgery.
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