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ISO 16840-12:2021

Wheelchair seating — Part 12: Envelopment and immersion characterization of seat cushions using a dual semispherical indenter

Publication date:   Nov 3, 2021

General information

60.60 Standard published   Nov 3, 2021

ISO

ISO/TC 173/SC 1 Wheelchairs

International Standard

11.180.10   Aids and adaptation for moving

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Scope

This document specifies apparatus, test methods, and disclosure requirements for characterization of wheelchair seat cushion immersion and envelopment properties using indenters instrumented with pressure sensors.
This document expands the characterization of products intended to manage tissue integrity (ISO 16840‑2) and provides a standardized indenter for other wheelchair seating tests.
It does not provide information specific to cushion performance for a particular individual user, nor is it intended to characterize envelopment or immersion under higher loading conditions, nor to assess the weight capacity of a cushion.
This document includes a method that is specific to 220 mm and 255 mm indenters. Dimensions are provided for a 380 mm indenter to allow for extension of the method to larger patient simulation.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO/TS 16840-12:2015

NOW

PUBLISHED
ISO 16840-12:2021
60.60 Standard published
Nov 3, 2021

CORRIGENDA / AMENDMENTS

IN_DEVELOPMENT
ISO 16840-12:2021/PRF Amd 1