Table of Contents

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

Abstract

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	British Standards Institution
Pages
ISBN
Committee	CH/173/1