J Shanghai Jiaotong Univ Sci

Journal of Shanghai Jiaotong University(Science) >

2021 , Vol. 26 >Issue 3: 361 - 367

DOI: https://doi.org/10.1007/s12204-021-2305-5

Medical 3D Printing and Personalised Medicine

Design and Application of 3D Printing Based Personalised Pelvic Prostheses

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  • (a. Department of Orthopaedic Surgery; b. Medical 3D Printing Innovation Research Center for Technology,
    Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200011, China)

Online published: 2021-06-02

Supported by

the National Key Research and Development
Program of China (No. 2016YFC1100600), the
Multicenter Clinical Research Project of Shanghai Jiao
Tong University School of Medicine (No. DLY201506),
the National Natural Science Foundation of China
(Nos. 81972058, and 81902194), and the Multidisciplinary
Team Clinical Research Project of Shanghai
Ninth People’s Hospital (No. 201701003)

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Abstract

In this paper, we describe the design and surgical process of personalised pelvic prostheses fixation  through 3D printing according to different Enneking pelvic tumour zones: the ilium (Zone I), acetabulum (Zone  II), and pubis and ischium (Zone III). A 3D model of the pelvis was reconstructed using imaging data, and the  parameters on the planes of the acetabulum and pelvic incisal margin were measured. The main body of the pelvic  prosthesis was constructed, a porous structure was designed on the bone-prosthesis interface, and the movement  paths, lengths, and diameters of screws were planned. By combining the pathological model and osteotomy guide,  limb salvage reconstruction was performed in patients with pelvic tumours. Preoperative and postoperative data  were compared to verify the prosthesis stability. Our investigation revealed that the long-term survival of pelvic  reconstruction prostheses depends on accurate matching with the bone defect area, good initial stability, and a  porous structure to allow bone ingrowth. 

Cite this article

WU Junxiang (吴钧翔), LUO Dinghao(罗丁豪), XIE Kai (谢凯), WANG Lei (王磊), HAO Yongqiang (郝永强) . Design and Application of 3D Printing Based Personalised Pelvic Prostheses[J]. Journal of Shanghai Jiaotong University(Science), 2021 , 26(3) : 361 -367 . DOI: 10.1007/s12204-021-2305-5

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