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Project

Prosthetics - Testing of ankle-foot devices and foot units - Requirements and test methods (ISO/FDIS 22675:2024); German version FprEN ISO 22675:2024

Abstract

EN ISO 22675 specifies cyclic and static test procedures for ankle-foot devices and foot units of lower limb prostheses. The cyclic test procedure is distinguished by the potential to realistically simulate those loading conditions of the complete stance phase of walking from heel strike to toe-off that are decisive for the verification of performance requirements such as strength, durability and service life. These test loading conditions are characterized by a standardized loading profile determined by the resultant vector of the vertical and horizontal (A-P) ground reaction forces and by a standardized locomotion profile determined by the tibia angle. The potential of the cyclic test procedure is of particular importance for the assessment of the performance of a variety of recent designs of ankle-foot devices and foot units. The static test procedure consists of a static proof test and a static ultimate strength test, distinguished besides other features by the potential to apply heel and forefoot test forces at lines of application conforming to those occurring at the instants of maximum heel and forefoot loading during the cyclic test.

Begin

2019-11-04

WI

00293071

Planned document number

DIN EN ISO 22675

Project number

02703252

Responsible national committee

NA 027-06-03 AA - Orthopaedic technology  

Responsible european committee

CEN/TC 293 - Assistive products and accessibility  

Responsible international committee

ISO/TC 168/WG 3 - Testing  

draft standard

Prosthetics - Testing of ankle-foot devices and foot units - Requirements and test methods (ISO/DIS 22675:2021); German and English version prEN ISO 22675:2021
2022-02
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previous edition(s)

Prosthetics - Testing of ankle-foot devices and foot units - Requirements and test methods (ISO 22675:2016); German version EN ISO 22675:2016
2016-12

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Contact

Jalini Mohanarajah

Alexander-Wellendorff-Str. 2
75172 Pforzheim

Tel.: +49 7231 9188-14

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