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Zhongshan Hospital, affiliated to Fudan University, is the first in the world to apply 3D printing technology to hip surgery.
It is reported that the hospital in the world took the lead in the application of 3D printing technology in hip surgery, has successfully completed a few cases of precision hip surgery, reaching the world's leading level.
According to Zhongshan Hospital, 30-year-old patient, Mr. Zhang slightly sigh due to the hip will be sore, and walking limping, recently to the hospital orthopedic clinic, was diagnosed with bilateral congenital dysplasia of the hip This is a common orthopedic disease. However, in the past, due to the complicated internal anatomy of the pelvis and the variation of acetabular morphology, osteotomy around the acetabulum was the most effective treatment in the early stage of disease. Only a few large hospitals were able to carry out this procedure.
In order to make more patients as soon as possible to correct the development of malformed hips, get rid of pain, deputy director of Zhongshan Hospital, Fudan University, orthopedic professor Yan Zuokin and chief physician Guo Changan, led the joint surgery team has accumulated a wealth of acetabular osteotomy surgery experience , Based on the first international application of 3D printing technology in hip surgery, Zhang has succeeded in bilateral precision acetabular bilateral osteotomy surgery around 5 days after discharge, with rehabilitation exercise, Zhang Mr. can be restored to normal people's level of exercise.
"The doctors used 3D printing technology to simulate the entire surgical process, amazing!" Mr. Zhang said. The magic that makes this operation more accurate is a tailor-made "surgical ruler."
According to Yan Zuqin introduction, they first the patient's hip thin layer CT scan data input computer, the use of software to accurately reconstruct the patient's hip disease; and then in the virtual image delineated the scope, size and direction of osteotomy, designed a Accurate osteotomy planning and osteotomy guide template, which is the aforementioned "surgical ruler"; design, you can use the 3D printing technology 1: 1 to output the patient's pelvic model and "surgical ruler."
The original acetabular osteotomy around the operation site as the depth of the pelvis, in the past only with the doctor's eyes and hands to determine the location of the osteotomy, but with this "surgical ruler," only need to be disinfected, the fit On the patient's acetabulum, a well-designed osteotomy plan can be followed along it to draw the perfect osteotomy range.
Guo Changan said that the use of 3D printing technology, osteotomy around the acetabulum shorter operative time, reduced bleeding, surgical accuracy was significantly improved, reducing the incidence of complications. 3D printing technology can be used not only for this procedure, but also to develop individualized preoperative plans for patients undergoing hip replacement therapy and to use the model to conduct "hands-on exercises" in vitro to ensure accurate hip arthroplasty .
At present, orthopedic department of Zhongshan Hospital Affiliated to Fudan University has successfully completed several cases of precision hip surgery using 3D printing technology, reaching the world advanced level.
According to the hospital, 3D printing technology can not only assist the surgical treatment, but also can be applied to the surgical teaching. It has the characteristics of being intuitive, comprehensive, accurate and interactive and effectively shortening the young doctor's surgical learning curve and improving the success rate of the operation. Can also be applied to preoperative communication and communication with patients so that patients fully understand the operation, and actively cooperate with the doctor after rehabilitation exercise.
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