oSIST prEN ISO 20342-4:2025

SLOVENSKI STANDARD
01-junij-2025
Tehnični pripomočki za celovitost tkiv v ležečem položaju - 4. del: Preskusne
metode za trajnost (ISO/DIS 20342-4:2025)
Assistive products for tissue integrity when lying down - Part 4: Test methods for
durability (ISO/DIS 20342-4:2025)
Titre manque - Partie 4: Titre manque
Ta slovenski standard je istoveten z: prEN ISO 20342-4
ICS:
11.180.01 Pripomočki za Aids for disabled and
onesposobljene in handicapped persons in
hendikepirane osebe na general
splošno
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

DRAFT
International
Standard
ISO/DIS 20342-4
ISO/TC 173
Assistive products for tissue
Secretariat: SIS
integrity when lying down —
Voting begins on:
Part 4: 2025-05-02
Test methods for durability
Voting terminates on:
2025-07-25
ICS: 11.180.01
THIS DOCUMENT IS A DRAFT CIRCULATED
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Reference number
ISO/DIS 20342-4:2025(en)
DRAFT
ISO/DIS 20342-4:2025(en)
International
Standard
ISO/DIS 20342-4
ISO/TC 173
Assistive products for tissue
Secretariat: SIS
integrity when lying down —
Voting begins on:
Part 4:
Test methods for durability
Voting terminates on:
ICS: 11.180.01
THIS DOCUMENT IS A DRAFT CIRCULATED
FOR COMMENTS AND APPROVAL. IT
IS THEREFORE SUBJECT TO CHANGE
AND MAY NOT BE REFERRED TO AS AN
INTERNATIONAL STANDARD UNTIL
PUBLISHED AS SUCH.
This document is circulated as received from the committee secretariat.
IN ADDITION TO THEIR EVALUATION AS
BEING ACCEPTABLE FOR INDUSTRIAL,
© ISO 2025
TECHNOLOGICAL, COMMERCIAL AND
USER PURPOSES, DRAFT INTERNATIONAL
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
STANDARDS MAY ON OCCASION HAVE TO
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BE CONSIDERED IN THE LIGHT OF THEIR
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Published in Switzerland Reference number
ISO/DIS 20342-4:2025(en)
ii
ISO/DIS 20342-4:2025(en)
Contents Page
Foreword .v
Introduction .vi
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Common test equipment . 2
4.1 Body analogue simulated weight .2
4.2 Sheet .2
5 Test method for determining the durability of an APTI placed on an articulated support
platform . 3
5.1 Scope and rationale .3
5.2 Test equipment .3
5.2.1 Test support platform .3
5.3 Test specifications .3
5.3.1 Number of cycles required .3
5.3.2 Evaluation criteria .4
5.4 Test method .4
5.5 Test report .4
6 Test method for determining the durability of an APTI to withstand user movement . 5
6.1 Scope and rationale .5
6.2 Test equipment .5
6.2.1 Loading pad .5
6.3 Test specifications .5
6.3.1 Number of cycles required .5
6.3.2 Evaluation criteria .6
6.4 Test method .6
6.5 Test report .7
7 Test method for determining the durability of an APTI to withstand storage and
operating environmental conditions . 7
7.1 Scope and rationale .7
7.2 Test equipment .7
7.2.1 Environmental chamber .7
7.3 Test specifications .7
7.3.1 Testing conditions .7
7.3.2 Evaluation criteria .7
7.4 Test method .8
7.5 Test report .8
8 Test method for determining the durability of an APTI to withstand user repositioning
on an APTI toward the head end of a bed . 8
8.1 Scope and rationale .8
8.2 Test equipment .8
8.2.1 Repositioning sheet.8
8.2.2 Pulling fixture . .8
8.3 Test specifications .9
8.3.1 Testing conditions .9
8.3.2 Evaluation criteria .9
8.4 Test method .9
8.5 Test report .9
9 Test report .10
Annex A (informative) Information about the validation tests conducted .11

iii
ISO/DIS 20342-4:2025(en)
Bibliography .12

iv
ISO/DIS 20342-4:2025(en)
Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards
bodies (ISO member bodies). The work of preparing International Standards is normally carried out through
ISO technical committees. Each member body interested in a subject for which a technical committee
has been established has the right to be represented on that committee. International organizations,
governmental and non-governmental, in liaison with ISO,
...