GB/T 45265-2025 English PDF

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GB/T 45265-2025: General technical requirements for additive manufacturing of lower limb prostheses
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Basic data

Standard ID: GB/T 45265-2025 (GB/T45265-2025)
Description (Translated English): General technical requirements for additive manufacturing of lower limb prostheses
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: C45
Classification of International Standard: 11.180.01
Word Count Estimation: 14,137
Date of Issue: 2025-02-28
Date of Implementation: 2025-06-01
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 45265-2025: General technical requirements for additive manufacturing of lower limb prostheses

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
GB/T 45265-2025 English version. General technical requirements for additive manufacturing of lower limb prostheses ICS 11.180.01;25.030 CCSC45;J39 National Standard of the People's Republic of China General technical requirements for additive manufacturing of lower limb prostheses Released on 2025-02-28 2025-06-01 Implementation State Administration for Market Regulation The National Standardization Administration issued

Table of Contents

Preface III 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 Abbreviations 2 5 Technical Requirements 2 5.1 Requirements for collecting data on lower limb residual parts 2 5.2 Requirements for digital design of prosthetic sockets 3 5.3 Requirements for additive manufacturing of prosthetic sockets 5 5.4 Requirements for lower limb prostheses assembled with additively manufactured sockets 5 5.5 Dressing requirements 6 6 Test methods 7 6.1 Data collection and inspection of lower limb residual limbs 7 6.2 Digital design and inspection of prosthetic sockets 7 6.3 Additive Manufacturing Inspection of Prosthetic Sockets 7 6.4 Testing of lower limb prostheses assembled with additively manufactured sockets 7 6.5 Wearing inspection 8 References 9

Foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents" Drafting. Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents. This document is issued by the Ministry of Civil Affairs of the People's Republic of China. This document was prepared by the National Technical Committee for Standardization of Rehabilitation and Special Equipment for the Disabled (SAC/TC148) and the National Technical Committee for Standardization of Additive Manufacturing. It is jointly managed by the Technical Committee (SAC/TC562). This document was drafted by. Guangzhou Kangyibo Prosthetics and Orthotics Technology Co., Ltd., China Rehabilitation Assistive Devices Association, Shenzhen Sunshine Optoelectronics Technology Co., Ltd., Foshan Gongqiao Medical Equipment Co., Ltd., Xiamen Gaoqi Prosthetics Co., Ltd., Henan Xiangyu Medical Equipment Co., Ltd. Co., Ltd., China Machinery Research Institute of Standards and Technology (Beijing) Co., Ltd., Huazhi Excellence Productivity Promotion (Beijing) Co., Ltd., Qingdao Institute of Technology University, Hangzhou Yijia 3D Additive Technology Co., Ltd., Xi'an National Institute of Additive Manufacturing Co., Ltd., Guangdong Huazhong University of Science and Technology Industrial Technology Research Institute, Huazhong University of Science and Technology, Guiyang Fulkang Medical Equipment Co., Ltd., Henan Youde Medical Equipment Co., Ltd., Qingdao Xiang and Prosthetics and Orthotics Co., Ltd., Guangdong Lanwan Intelligent Technology Co., Ltd., Beijing University of Posts and Telecommunications, Beijing Green Rainbow Prosthetics and Orthotics Technology Co., Ltd. Ltd., Guizhou Rehabilitation Hospital, Suzhou Aide Technology Development Co., Ltd., Beijing Kanglubo Prosthetics and Orthotics Co., Ltd., Beijing Social Management Vocational College, Dongguan Institute of Technology, South China University of Technology, Guangzhou Yousu 3D Technology Co., Ltd., Wuhan Xinmeiyu Technology Co., Ltd., Southern Medical University, Shenzhen Children's Hospital, Fujian Normal University. The main drafters of this document are. Wang Haipeng, Zhang Pengcheng, Lian Zhijian, Yang Xusheng, Li Jian, Zhou Dawei, Xue Lian, Li Xiaofei, Lan Hongbo, Zhang Guangming, Zhu Xiangzhan, Liu Rongzhen, Wen Shifeng, He Yongzheng, Li Xiaotang, Liu Zhiyang, Yao Caihong, Li Qiang, Xue Jing, Wang Shuai, Liu Xinping, Li Nan, Wang Muxiong, Lao Yonghua, Yang Dagang, Long Dingping, Liu Zhen, Xue Feng, Wang Yuanjun, Lu Ya, Luo Jun, Guan Guijia, Yang Shunlong, Xiao Yunfeng, Zou Jinguang, Chen Shuilong, Lian Xiaojun, Liang Jiahua, Xu Min, Zhu Yan, Xu Jianglong, Fan Yifang, Tan Mingyan, Huang Wenhua, Huang Xiaojun, Ning Chunxu. General technical requirements for additive manufacturing of lower limb prostheses

1 Scope

This document specifies the technical requirements for additive manufacturing of lower limb prostheses and describes the corresponding test methods. This document is applicable to the production of prosthetic sockets at different amputation planes of lower limbs using additive manufacturing. Note. Includes the receiving cavity of hip disarticulation prosthesis, thigh prosthesis, knee disarticulation prosthesis, calf prosthesis and Syme prosthesis.

2 Normative references

The contents of the following documents constitute essential clauses of this document through normative references in this document. For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to This document. GB/T 13461 Modular lower leg prosthesis GB/T 14191.2 Prosthetics and orthotics terminology Part 2.Terminology for prostheses and prosthesis users GB 14722 Modular hip, knee and thigh prostheses GB 14723 General parts for lower limb prostheses GB/T 16432 Classification and terminology of rehabilitation assistive devices GB/T 35351 Terminology for Additive Manufacturing

3 Terms and definitions

The terms and definitions defined in GB/T 14191.2, GB/T 16432 and GB/T 35351 and the following apply to this document. 3.1 Lower limb stump data collection The process of using data collection tools to obtain the shape data of the lower limb residual limb. 3.2 Digital design of stump socket The process of designing a digital model of the prosthetic socket through computer-aided design based on the collected data. 3.3 Additive manufacturing A process of manufacturing parts or objects by stacking materials based on 3D model data. 3.4 Additive manufacturing of stump socket Digital design of prosthetic socket is carried out based on residual limb data collection, using polymer, metal and other special materials for additive manufacturing. Additive manufacturing technology, the process of obtaining a prosthetic socket. 3.5 lower limb prostheses assembledwithadditivemanufactured stump The additive manufacturing socket is assembled and aligned with the common parts of the lower limb prosthesis. After confirming the fit, it is delivered for customized use. ......

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