3D打印脊椎成功植入人体3-D printed spine implanted in man's body in Beijing

人民网英文版2020-10-17 14:54:28
3-D printed spine successfully implanted in man's body in Beijing
袁先生是一名恶性脊椎肿瘤——脊索瘤患者,肿瘤侵蚀五节脊椎。从医学上来说,除了通过手术把肿瘤切干净以外,别无它法。而切除肿瘤就意味着要切除部分脊椎。

日前,袁先生经北京大学第三医院骨科刘忠军教授主刀,成功植入3D打印多节段胸腰椎,在他的脊柱上完成长达19厘米的大跨度支撑,以替代被彻底切除的椎体。

手术6个多小时后,袁先生被推出手术室。由于术中出血量小,生命体征平稳,术后他未被推进ICU,直接回到普通病房。

“我们可以利用金属3D打印技术,依照患者的解剖结构,制造出一枚与五节椎体形态与长度相仿的人工椎体。”刘忠军说,3D打印技术按照患者的解剖结构,完成脊椎结构重建,完成内固定。装上这样一枚从形状到功能都与人体原本解剖结构相近的人造脊椎,患者最终可以挺起脊梁,像常人一样工作、生活。

Mr. Yuan suffered from a malignant tumor of the spine, chordoma, which eroded five sections of his spine. From a medical point of view, the only possible cure consisted of removing the tumor through surgery. However, the removal of the tumor would also mean removal of part of the spine.  

Recently, Yuan underwent a successful surgery to have 3-D printed thoracic and lumbar segments of the spine implanted by Professor Liu Zhongjun of the Peking University Third Hospital. The length of the segments totaled 19 centimeters and replaced the parts of Yuan’s spine that had to be removed.

Six hours after the surgery began, Yuan was taken out of the operating room. Doctors observed only a small amount of bleeding, and Yuan’s vital signs were stable. 

"We can use metal 3-D printing technology to create a piece of artificial spine similar to the real one that was removed," Liu said. Fitted with such an excellent copy of the original anatomy, patients are more likely to eventually work and live like ordinary people.

Yuan is just one of many potential patients for this treatment in China. According to reports, the 3-D printing of human body parts for the purpose of implantation has gained approval from the China Food and Drug Administration (CFDA). This means that more patients are expected to receive treatment in the form of this advanced technology.
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