Table of Contents

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and abbreviated terms
5 Apparatus
6 Preparation of test cushion
7 Sequence of testing
8 Frictional properties
9 Impact damping under normal loading conditions
10 Recovery
11 Loaded contour depth and overload deflection
12 Water spillage
13 Biocompatibility
14 Hysteresis test
15 Test report
16 Disclosure requirement
Annex A (normative) - Tapered uniform geometry RCLI
Annex B (informative) - Typical ranges for ISO 16840-2
        tests and indicative cushion implications
Annex C (informative) - Horizontal stiffness and sliding
        resistance
Annex D (informative) - RCLIs for testing of alternatively
        sized cushions
Bibliography

Abstract

This document specifies apparatus, test methods and disclosure requirements for wheelchair seat cushions intended to maintain tissue integrity and prevent tissue trauma.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	International Organization for Standardization
Pages
ISBN
Committee	TC 173
Supersedes	ISO 16840-2 : 2007