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Application of 3 dimension-printed injection-molded polyether ether ketone lunate prosthesis in the treatment of stage Ⅲ kienböck’s disease: A case report

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World Journal of Clinical Cases 2022年第24期10卷 8761-8767页

作者： Cheng-Song Yuan Yao Tang Hai-Qiong Xie Tao-Tao Liang Hong-Tao Li Kang-Lai Tang Sports Medicine Center The First Affiliated Hospital of Army Medical UniversityChongqing 400038China

BAckGROUND Polyether ether ketone(PEEK)is a high-performance medical polymer,and there are some clinical cases of PEEK prosthesis ***,application of 3D-printed injection-molded PEEK lunate prosthesis for treatment of stage Ⅲ kienböck’s disease has not been *** study’s purpose was to analyze the clinical efficacy of 3D-printed injection-molded PEEK lunate prosthesis in the treatment of stage Ⅲ kienböck’s disease and thus provide a good therapeutic choice for kienböck’s *** SUMMARY We report a patient with stage Ⅲ kienböck’s *** the healthy lunate bone as reference,3D lunate reconstruction was performed using a mirroring technique.A PEEK lunate prosthesis was prepared by 3D printing and injection molding,and then it was inserted into the original anatomical position after removing the necrotic lunate *** pain and function,anatomical suitability of the lunate prosthesis,and complications were evaluated and analyzed *** the last visit(one year after surgery),the range of motion,grasp force,visual analog scale score and Cooney score of the affected wrist were significantly improved,and postoperative X-ray examination indicated that the lunate prosthesis had good anatomical suitability for adjacent bony *** The 3D-printed injection-molded PEEK lunate prosthesis demonstrated definite efficacy in treating stage Ⅲ kienböck’s disease.

关键词： 3D printing Polyetheretherketone kienböck disease Lunate fixation Lunate collapse Clinical outcomes Case report

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