Tumor resection was performed and the 3D printed titanium alloy scapula prosthesis was directly used to reconstruct the shoulder function. On December 22, Mr. Yao, a patient with a scapular tumor, came to the Zhongnan Hospital of Wuhan University to remove the suture and recovered well. It is understood that the use of metal 3D printing technology to prepare a prosthesis that is completely consistent with the patient's missing shoulder blade, and successfully implanted in the patient to complete the operation of the scapula reconstruction, is the first in Central China, the second in the world.

Mr. Yao, who is in Beijing, is 53 years old. Since February of this year, he has felt the pain in his shoulders and back from time to time. He thought it was shoulder inflammation or muscle strain and didn't care. At the end of October, he still felt uncomfortable. He went to the hospital to find out that it might be a left scapula tumor. In mid-November, he was introduced to the Department of Trauma and Orthopaedics of Zhongnan Hospital of Wuhan University. The deputy chief physician of the department was consulted. The scapula tumor was about 10 cm in diameter and invaded 80% of the patient's left scapula. It must be surgically removed. .

When Yu Li and colleagues discussed the surgical plan, the muscles that maintain the function of the shoulder joint were attached to the scapula. After the scapula was invaded by the tumor according to the traditional method, if the reconstructive surgery was not performed, the attachment point of the muscle was gone, and the patient's activity. The function will be greatly affected, but the human shoulder blade is an irregular shape and reconstruction is extremely difficult. After careful study, according to the patient's imaging data, considering the tumor as a benign possibility, after obtaining the patient's consent, Yu Li decided to keep a small amount of scapula connected to the shoulder joint, the scapula that was not invaded by the tumor, and the removed scapula (about 80%) advanced. The 3D printing technology rebuilds the patient to maximize the patient's "back sleeve" function.

The doctor firstly based on the CT scan image of the patient's bilateral scapula, referring to the size and shape of the right scapula, and obtained the corresponding data before the left scapula was invaded by the tumor, and then used 3D technology to print a completely consistent model. A simulated surgery to remove the tumor is then performed. In order to ensure the accuracy of the operation, save the operation time, reduce the intraoperative bleeding and postoperative complications, Dr. Yu Li also designed a special osteotomy guide plate, in order to accurately remove the tumor while making the design of part of the scapula prosthesis and The retained human shoulder blades are perfectly matched. The doctor made several modifications to make every detail just right, and for the first time used titanium metal to directly print the artificial prosthesis of the defect.

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