When it comes to 3D printing, the first thing people think of is that 3D printers can print out the foods, toys, and antiques you want... It doesn't stop there. 3D printing technology is now widely used in various fields, such as in the medical field. A 3D printed vertebral body or the like is implanted into the human body, and a heart model or the like can also be printed. Recently, our reporter went to Peking University Third Hospital (referred to as "Northern Hospital Third Hospital") and the Chinese Academy of Medical Sciences Fuwai Hospital to visit the medical application of 3D printing. Artificial vertebral body implantation becomes a reality Following the successful completion of the first application of 3D printed artificial axis replacement for the treatment of cervical malignant tumors in August 2014, in June this year, the Northern Medicine Third Hospital announced again that after two consecutive operations involving more than 10 hours, the first metal 3D Print custom 19 cm artificial spine implants successfully completed. This operation was performed by Professor Liu Zhongjun, the director of the Department of Orthopaedics of the Third Hospital of Beijing Medical University. On November 1st, Liu Zhongjun showed the reporter the photo he had on his mobile phone. "This is a photo of the patient who reviewed it three months after the operation. Now he has recovered very well." Liu Zhongjun said that the patient named Yuan was unfortunately suffering from chordoma, and the erosion range was very wide. The five spines of the thoracic and lumbar spine were eroded. "Medically, all the tumors on the five vertebral bodies can only be cleaned by surgery. But after the five spines are removed, how to maintain support?" In this case, in the past, the titanium mesh was often used to fill the autologous or allogeneic bone as an interbody support device. However, since the titanium mesh to be implanted is so long, once displaced, the spinal cord is compressed and the patient is paralyzed. . In addition, the original titanium mesh has a straight cylindrical shape and does not match the physiological curve of the spine "S" shape.
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