Release date: 2016-10-19
On October 18, the reporter learned from Zhongshan Hospital affiliated to Fudan University that the hospital was the first in the world to apply 3D printing technology to hip surgery. It has successfully completed several precision hip surgery operations and reached the world's leading level.
According to Zhongshan Hospital, Mr. Zhang, a 30-year-old patient, will have a sore stomach after walking a little, and he will limping away. He recently went to the orthopedic department of the hospital and was diagnosed with bilateral congenital dysplasia. This is a common disease in orthopedics. However, in the past, due to the complex anatomical structure of the pelvis and the variability of the acetabulum, the most effective treatment in the early stage of the disease is difficult to perform acetabular osteotomy, and only a few large hospitals can carry out.
In order to allow more patients to correct the deformed hip joint as soon as possible and get rid of the pain, the vice president of the Zhongshan Hospital affiliated to Fudan University, the professor of orthopedics, Qi Zuoqin and the chief physician Guo Changan, led the joint surgery team to accumulate a wealth of experience in acetabular osteotomy. On the basis of the international application of 3D printing technology for hip surgery, Mr. Zhang has successfully performed bilateral bilateral acetabular osteotomy, which can be discharged 5 days after surgery. Mr. can return to the normal level of exercise.
“Doctors used 3D printing technology to simulate the whole surgery process, which is amazing!†said Mr. Zhang. The magic weapon that makes this surgery more precise is a tailor-made "surgical ruler".
According to Qi Zuoqin, they first input the patient's hip thin-slice CT scan data into the computer, use relevant software to accurately reconstruct the patient's diseased hip joint; then delineate the scope, size and direction of the osteotomy on the virtual image, and design a The accurate osteotomy plan and the osteotomy guide template, which is the aforementioned “surgical rulerâ€; after design, the patient's pelvis model and “surgical ruler†can be output 1:1 using 3D printing technology.
The original acetabular osteotomy surgery because the surgical site is deep into the pelvis, in the past can only rely on the doctor's eyes and hands to determine the location of the osteotomy, but with this "surgical ruler", only need to disinfect it, fit it On the patient's acetabulum, the perfect osteotomy range can be drawn along with the precisely adjusted osteotomy plan.
Guo Changan said that after using 3D printing technology, the time of osteotomy around the acetabulum was shortened, the amount of bleeding was reduced, the accuracy of the operation was significantly improved, and the occurrence of complications was reduced. 3D printing technology can be used not only for this operation, but also for individualized preoperative planning for patients who need hip replacement therapy, and can use the model to perform "practical exercises" in vitro to ensure accurate joint replacement therapy for hip joints. .
At present, the Department of Orthopaedics of Zhongshan Hospital affiliated to Fudan University has successfully completed several precision hip surgery using 3D printing technology, reaching the world's leading level.
According to the hospital, 3D printing technology can not only assist in surgical treatment, but also can be applied to surgical teaching. It is intuitive, comprehensive, accurate and interactive, effectively shortening the surgical learning curve of young doctors and improving the success rate of surgery. It can also be applied to pre-operative communication and communication with patients, so that patients can fully understand the operation and actively cooperate with the doctor for postoperative rehabilitation.
Source: 澎湃News
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