| 基于足部数字化模型的拇外翻矫形器定制设计 |
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| 引用本文： | 张芳兰,陈瑞营. 基于足部数字化模型的拇外翻矫形器定制设计[J]. 图学学报, 2019, 40(5): 961. DOI: 10.11996/JG.j.2095-302X.2019050961 |
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| 作者姓名： | 张芳兰 陈瑞营 |
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| 作者单位： | 燕山大学艺术与设计学院,河北秦皇岛,066004;燕山大学艺术与设计学院,河北秦皇岛,066004 |
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| 基金项目： | 河北省社科基金项目(HB19YS004)；2018年河北省专业学位教学案例(库)立项建设项目(KCJSZ2018021) |
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| 摘 要： | 为了提高矫形器快速定制的精准性与匹配性，建立了一种基于足部数字化模型的 拇外翻矫形器定制设计与评价模型以及具体方法流程。利用人机工程学用户需求三维分类与访 谈法获取拇外翻患者用户需求，通过层次分析法确立用户需求优先度；利用 TRIZ 冲突解决理 论获取矫形器创新设计方向；借助 3D 扫描技术得到足部点云模型，通过三阶段式数据处理与 偏差分析确保足部数字化模型的精准性。构建基于足部数字化模型的拇外翻矫形器基础模型， 并结合创新设计方向产生矫形器设计方案；通过偏差平均值与标准差评价设计方案匹配度，结 合方案可视化评价，确保最终设计方案的精准性。最后，通过拇外翻矫形器定制设计实例论证 了所建立模型与具体方法流程的可行性。
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| 关 键 词： | 足部数字化模型 拇外翻 矫形器 定制设计 匹配度 |
Customized Design of Hallux Valgus Orthosis Based on Digital Foot Model |
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| ZHANG Fang-lan,CHEN Rui-ying. Customized Design of Hallux Valgus Orthosis Based on Digital Foot Model[J]. Journal of Graphics, 2019, 40(5): 961. DOI: 10.11996/JG.j.2095-302X.2019050961 |
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| Authors: | ZHANG Fang-lan CHEN Rui-ying |
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| Affiliation: | (School of Art and Design Yanshan University, Qinhuangdao Hebei 066004, China) |
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| Abstract: | To improve the accuracy and fitness of rapidly customized orthosis, a customized design and evaluation model of hallux valgus orthosis was established based on digital foot model, and the specific methods and processes were formulated as well. Together with the interview, the ergonomic user needs three-dimensional classification was utilized to get the initial user needs of hallux valgus patients, and the Analytic Hierarchy Process was applied to identify the priority of user needs. The TRIZ Conflict Resolution Principles were used for generating the innovative design direction of orthosis. The point cloud model of foot was obtained by 3D scanning, and then the three-stage data processing and deviation analysis were performed to ensure the accuracy of digital foot model. In combination with the innovative design directions, the basic model of the hallux valgus orthosis based on digital foot model were applied to generate the orthosis design alternative. The average deviation and standard deviation are used for acquiring the Orthosis Fit Index. The accuracy of the final design alternative was evaluated by the Orthosis Fit Index and the visual evaluation of the design alternative. Finally, a case of the customized design of hallux valgus orthosis is conducted to demonstrate the feasibility of the model and the specific methods and processes. |
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| Keywords: | digital foot model hallux valgus orthosis customized design fit index |
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