In the future, how can 3D printing better benefit patients? How far is it from clinical popularity?
Break through the medical exclusion zone and complete the "impossible" surgery
The reporter learned in interviews in Beijing, Shanghai, Guangdong and other places that using 3D printing technology to assist in surgical operations can enable doctors to more intuitively understand the patient's anatomy, providing great design and improvement of surgical plans, selection and optimization of surgical approaches. Help helps improve surgical accuracy and reduce patient suffering.
At the same time, 3D printing can help doctors break through the medical exclusion zone and complete operations that were not possible in the past. Nowadays, 3D printing technology can not only print out the simulated organs that are completely matched with the patient. For complex bone tumors, the skeletal prosthesis implanted in the patient and the reconstruction of the bone defect after tumor resection can be completely realized.
“The application of 3D printing to medical treatment is bringing about tremendous changes.†Dai Kezhen, an academician and orthopedics expert at the Chinese Academy of Engineering, said, “Clinical artificial joints are generally divided into five or six different sizes, and patients can only use them. It is unlikely that millions of people will make artificial joints, and it will be impossible to make a small number of models made by the assembly line to meet the needs of all patients. 3D printing can make 'tailor-made' really possible."
The Third Affiliated Hospital of Southern Medical University has applied 3D printing technology to the treatment of complex pelvic acetabular fractures. In March of this year, a woman accidentally fell from the fourth floor, causing a serious fracture of the pelvis and acetabulum. "The structure of the pelvis and acetabulum is complex, adjacent to blood vessels, nerves and important organ structures. After fracture, there is a high rate of death and disability." Fan Shicai, director of the Department of Trauma and Orthopaedics of the Third Hospital of Nanyi Hospital, said that the operation is particularly troublesome, the pelvis The structure is very special, very irregular, and there is currently no matching bone plate for internal fixation, which is difficult to achieve satisfactory surgical results.
After comprehensively assessing the patient's condition, Fan Shicai's team decided to try to apply 3D printing to "tailor" her acetabular plate. The bone plate is mainly printed with titanium alloy, which has strong compatibility with the tissue and the strength is also in line with the human body.
Experts from the 3D printed artificial vertebral body research team registered by the State Food and Drug Administration, Liu Zhongjun, director of the Department of Orthopaedics, Peking University Third Hospital, and other experts believe that 3D printing is an emerging technology at this stage, and is currently in the world of 3D printing medical technology innovation products. The field of research and development is at the same platform height.
Print "live" cells and print complex organs
Experts said that with the advancement of technology, 3D printing has an increasingly rich "level", useful in the human body, useful in the body, there are printed tissue engineering scaffolds, useful for living cell printing...
"Drawing prostheses in 3D printing at home and abroad, now Europe is starting to use 3D printing fake eyes." Dai Kezhen said that with the advancement of technology, some organizations began to use 3D printing "live" cells, and even began to develop heart muscles. Spontaneously beating for a while.
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