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GB/T 44698-2024Electric prosthetic ankle (English PDF)

电动踝关节

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

October 26, 2024

Implementation date

February 1, 2025

Scope

GB/T 44698-2024 is the English-translated version of 电动踝关节.

GB/T 44698-2024 is the Chinese national standard covering a motor-driven ankle joint for a lower-limb amputee, with the controller reading the gait from the sensors — the structure and composition, the heel height, the angle and the angular velocity, the output torque, the sensor and controller, the noise and the dust and water protection, the test methods and inspection rules, and the structural strength that has to carry a user of up to 100 kg at every step. First edition, under the Ministry of Civil Affairs. In force from 1 February 2025. Issued on 26 October 2024, it has been in force since 1 February 2025.

Document preview — GB/T 44698-2024

National Standard of the People's Republic of China

ICS: 11.040.40
Classification: C 45

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

PrefaceIII
1 Scope1
2 Normative references1
3 Terms and Definitions1
4 Structure and composition2
5 Technical Requirements2
5.1 Basic Requirements2
5.2 Appearance requirements2
5.3 High Requirements2
5.4 Angle requirements3
5.5 Angular velocity requirements3
5.6 Torque requirements3
5.7 Sensor Requirements3
5.8 Controller Requirements3
5.9 Noise requirements3
5.10 Dust and water proof requirements3
5.11 Electrical performance requirements3
5.12 Structural strength requirements3
6 Test Method4
6.1 Basic requirements inspection4
6.2 Appearance Inspection4
6.3 Heel height inspection4
6.4 Angle inspection4
6.5 Angular velocity test4
6.6 Torque test5
6.7 Sensor Inspection6
6.8 Controller Verification6
6.9 Noise Test6
6.10 Dust and Waterproof Inspection6
6.11 Electrical performance test6
6.12 Structural strength test7
7 Inspection Rules7
7.1 Factory Inspection7
7.2 Type inspection7
7.3 Sampling and Decision Rules7
8 Labeling, packaging, transportation and storage7
8.1 Identification7
8.2 Packaging7
8.3 Transportation7
8.4 Storage8

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 is under the jurisdiction of the National Technical Committee for Standardization of Rehabilitation and Special Equipment for Persons with Disabilities (SAC/TC148).

This document was drafted by: National Rehabilitation Assistive Devices Research Center, Peking University, and Beijing Gongdao Fengxing Intelligent Technology Co., Ltd.

The main drafters of this document are Luo Yimin, Wang Qining, Tu Xiaoguang and Zhu Jinying. Electric ankle joint

1 Scope

This document specifies the structure and composition, technical requirements, inspection rules and marking, packaging, transportation and storage of electric ankle joints, and describes the relevant Appropriate test method.

This document applies to the design, manufacture and testing of electric ankle joints for lower limb amputees weighing no more than 100 kg.

2 Normative references

GB/T 191

GB/T 2423.1

GB/T 2423.3

GB/T 3767

GB/T 4208

GB/T 9174

GB/T 10000

GB/T 13461

GB/T 14191.1

GB 14723

GB/T 17626.2

GB/T 17626.3

GB/T 17626.8

GB/T 18375

GB 31241

3 Terms and Definitions

The terms and definitions defined in GB/T 13461 and GB/T 14191.1 and the following apply to this document.

3.1 A prosthetic ankle joint with adaptive control of motion during the swing or recoil phase

Driven by a motor and a transmission mechanism, the sensor collects the amputee's movement information, and the controller recognizes the walking gait to achieve support.

3.2 ankle output torque ankleoutputtorque

The magnitude of the torque output during active movement of the ankle joint driven by the motor and transmission mechanism.

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

Referenced standards

Normative references

GB/T 2423.1 · GB/T 2423.3 · GB/T 3767 · GB/T 14191.1 · GB/T 17626.2 · GB/T 17626.3 · GB/T 17626.8 · GB/T 18375

Editions of GB/T 44698

Edition	Title	Revision	Status
GB/T 44698-2024	Electric prosthetic ankle	current edition	Current

This page sells the current edition, GB/T 44698-2024. Earlier editions are listed for reference only.

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