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. 2022 Apr 30:2022:8243128.
doi: 10.1155/2022/8243128. eCollection 2022.

Design of Personalized Cervical Fixation Orthosis Based on 3D Printing Technology

Yangyang Xu  1   2 , Xiangyu Li  3 , Yafei Chang  4 , Yi Wang  2 , Lifang Che  2 , Guopeng Shi  2 , Xiaofen Niu  2 , Haiyan Wang  5 , Xiaohe Li  5 , Yujie He  5 , Baoqing Pei  1 , Guoqiang Wei  2
Affiliations

Design of Personalized Cervical Fixation Orthosis Based on 3D Printing Technology

Yangyang Xu et al. Appl Bionics Biomech. .

Abstract

The movement of the cervical spine should be restricted throughout the rehabilitation phase after it has been injured. Cervical orthosis is commonly utilized in clinical settings to guarantee cervical spine stability. However, to date, the investigations are limited to patient-specific cervical fixation orthoses. This study provides a new idea for making personalized orthoses. The CT data of the patient's cervical spine were collected, then mimics were used for reconstructing the skin of the cervical spine, the Geomagic Studio was used for surface fitting, the Inspire Studio was used for structural topology optimization, redundant structures were removed, the resulting orthotics were postprocessed, and finally, it was printed with a 3D printer. No signs of pain or discomfort were observed during the wearing. The cervical spine range of motion in flexion, extension, lateral flexion, and rotation is all less than 8° after using the device. Low cost, quick manufacturing time, high precision, attractive appearance, lightweight structure, waterproof design, and practical customized orthotics for patients are all advantages of 3D printing technology in the field of orthopedics. Many possible benefits of using 3D printing to build new orthotics include unique design, stiffness, weight optimization, and improved biomechanical performance, comfort, and fit. Personalized orthotics may be designed and manufactured utilizing 3D printing technology.

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Conflict of interest statement

All the authors declare that there is no conflict of interest regarding the publication of this article.

Figures

Figure 1
Figure 1
Schematic representation of design workflow and fabrication process of a custom orthosis. (a) Spiral CT scan. (b) 3D reconstruction of cervical skin. (c) This geometry is fitted. (d) Topology optimization of geometry. (e) Adjust the model structure and add a fixed buckle structure. (f) Schematic diagram of the CAD model. (g) This orthosis is obtained by 3D printing.
Figure 2
Figure 2
Patient questionnaire chart.
Figure 3
Figure 3
The design details of the cervical spine fixed orthosis.
Figure 4
Figure 4
Patient wears orthoses for walking, sitting, and standing.
Figure 5
Figure 5
Patient questionnaire chart feedback.
See this image and copyright information in PMC

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