Prosthetics and orthotics — Vocabulary — Part 4: Terms relating to limb amputation

This document specifies a vocabulary for the description of surgical limb amputations, amputation procedures, and persons who have had an amputation.

Prothèses et orthèses — Vocabulaire — Partie 4: Termes relatifs à l'amputation de membres

General Information

Status
Published
Publication Date
10-Sep-2020
Current Stage
9092 - International Standard to be revised
Start Date
28-Apr-2023
Completion Date
14-Feb-2026

Relations

Effective Date
06-May-2023
Effective Date
08-May-2020

Overview

ISO 8549-4:2020 is an internationally recognized standard developed by the International Organization for Standardization (ISO) that defines a comprehensive vocabulary for describing surgical limb amputations, amputation procedures, and individuals who have undergone limb amputation. As part of the ISO 8549 series for prosthetics and orthotics terminology, this document ensures consistency and clarity in the language used by clinicians, researchers, and healthcare professionals globally. Standardized terminology is essential for clear communication, effective patient care, and the comparison of clinical outcomes across different regions and practices.

Key Topics

Core areas addressed by ISO 8549-4:2020 include:

  • Types of Limb Amputation: Definitions for terms related to the surgical removal of a limb or part of a limb, covering both upper and lower limbs.
  • Levels of Amputation: Specific vocabulary for identifying the anatomical location (joint or segment) where an amputation occurs.
  • Descriptions of Procedures: Standardized terms for various surgical approaches, such as initial amputation, revision amputation, two-stage amputation, and reamputation.
  • Classification of Amputees: Terminology to specify the type and extent of limb loss in individuals, including unilateral, bilateral, triple, and quadruple amputees.
  • Detailed Anatomy References: Subclassifications for amputations of hands, wrists, arms, feet, ankles, legs, and related joints.

This standardized vocabulary facilitates precise descriptions in medical records, research studies, and governmental health statistics.

Applications

ISO 8549-4:2020 delivers practical value across the field of prosthetics and orthotics by:

  • Improving Clinical Communication: Enables healthcare teams to describe amputation levels and procedures with universally-understood terms, minimizing risk of misunderstanding in diagnosis and treatment planning.
  • Supporting Epidemiological Studies: Provides a common language for health officials and researchers analyzing trends, outcomes, and prevalence of limb amputations.
  • Facilitating International Collaboration: Makes it easier to compare clinical cases and treatment outcomes across countries and institutions.
  • Guiding Documentation and Records: Assists in accurate documentation for patient records, insurance claims, and research databases.
  • Supporting Standardization in Education and Training: Ensures that healthcare professionals, including surgeons and prosthetists, receive consistent terminology education worldwide.
  • Aiding Manufacturers and Regulators: Gives industry and regulatory bodies a fixed reference for device compatibility, reporting, and compliance.

Related Standards

To ensure comprehensive terminology and compatibility in the prosthetics and orthotics sector, ISO 8549-4:2020 should be used alongside other relevant international standards, including:

  • ISO 8549-1: Prosthetics and orthotics - Vocabulary - Part 1: General terms for external limb prostheses and orthoses
  • ISO 8549-2: Prosthetics and orthotics - Vocabulary - Part 2: Specific terms for external limb prostheses and orthoses
  • ISO 8549-3: Prosthetics and orthotics - Vocabulary - Part 3: Terms relating to orthoses

These related documents cover broader and complementary terminology for devices, treatment processes, and patient care in the field of prosthetics and orthotics.

ISO 8549-4:2020 is essential for anyone involved in surgical limb amputation, rehabilitation, or prosthesis design, supporting clarity, interoperability, and high-quality patient care through standardized, internationally recognized terminology.

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Frequently Asked Questions

ISO 8549-4:2020 is a standard published by the International Organization for Standardization (ISO). Its full title is "Prosthetics and orthotics — Vocabulary — Part 4: Terms relating to limb amputation". This standard covers: This document specifies a vocabulary for the description of surgical limb amputations, amputation procedures, and persons who have had an amputation.

This document specifies a vocabulary for the description of surgical limb amputations, amputation procedures, and persons who have had an amputation.

ISO 8549-4:2020 is classified under the following ICS (International Classification for Standards) categories: 01.040.11 - Health care technology (Vocabularies); 11.040.40 - Implants for surgery, prosthetics and orthotics. The ICS classification helps identify the subject area and facilitates finding related standards.

ISO 8549-4:2020 has the following relationships with other standards: It is inter standard links to ISO/FDIS 8549-4, ISO 8549-4:2014. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.

ISO 8549-4:2020 is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.

Standards Content (Sample)


INTERNATIONAL ISO
STANDARD 8549-4
Second edition
2020-09
Prosthetics and orthotics —
Vocabulary —
Part 4:
Terms relating to limb amputation
Prothèses et orthèses — Vocabulaire —
Partie 4: Termes relatifs à l'amputation de membres
Reference number
©
ISO 2020
© ISO 2020
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting
on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address
below or ISO’s member body in the country of the requester.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: +41 22 749 01 11
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii © ISO 2020 – All rights reserved

Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
3.1 General limb amputation . 1
3.2 Amputation procedures . 3
3.3 Person who has had an amputation . 3
Bibliography . 5
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, also take part in the work.
ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of
electrotechnical standardization.
The procedures used to develop this document and those intended for its further maintenance are
described in the ISO/IEC Directives, Part 1. In particular, the different approval criteria needed for the
different types of ISO documents should be noted. This document was drafted in accordance with the
editorial rules of the ISO/IEC Directives, Part 2 (see www .iso .org/ directives).
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of
any patent rights identified during the development of the document will be in the Introduction and/or
on the ISO list of patent declarations received (see www .iso .org/ patents).
Any trade name used in this document is information given for the convenience of users and does not
constitute an endorsement.
For an explanation of the voluntary nature of standards, the meaning of ISO specific terms and
expressions related to conformity assessment, as well as information about ISO's adherence to the
World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT), see www .iso .org/
iso/ foreword .html.
This document was prepared by Technical Committee ISO/TC 168, Prosthetics and orthotics.
This second edition cancels and replaces the first edition (ISO 8549-4:2014), of which it constitutes a
minor revision. The main changes compared to the previous edition are as follows:
— The use of hyphens in anatomical terms, such as transpelvic, has been abandoned in line with other
parts of the ISO 8549 series.
A list of all parts in the ISO 8549 series can be found on the ISO website.
Any feedback or questions on this document should be directed to the user’s national standards body. A
complete listing of these bodies can be found at www .iso .org/ members .html.
iv © ISO 2020 – All rights reserved

Introduction
At present, no internationally accepted terminology describes the complete range of surgical limb
amputation levels, amputation procedures, and persons who have had an amputation. Members of clinic
teams in different countries have developed their own terminology to meet their own needs.
There is a need for a standard international system of terminology which will allow practitioners to
accurately describe the surgical history of persons who have had a limb amputation(s) and to facilitate
comparisons with the experience of other practitioners.
The terminology will also be of value to epidemiologists and governmental health officials.
---------------------
...


INTERNATIONAL ISO
STANDARD 8549-4
Second edition
2020-09
Prosthetics and orthotics —
Vocabulary —
Part 4:
Terms relating to limb amputation
Prothèses et orthèses — Vocabulaire —
Partie 4: Termes relatifs à l'amputation de membres
Reference number
©
ISO 2020
© ISO 2020
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting
on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address
below or ISO’s member body in the country of the requester.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: +41 22 749 01 11
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii © ISO 2020 – All rights reserved

Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
3.1 General limb amputation . 1
3.2 Amputation procedures . 3
3.3 Person who has had an amputation . 3
Bibliography . 5
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, also take part in the work.
ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of
electrotechnical standardization.
The procedures used to develop this document and those intended for its further maintenance are
described in the ISO/IEC Directives, Part 1. In particular, the different approval criteria needed for the
different types of ISO documents should be noted. This document was drafted in accordance with the
editorial rules of the ISO/IEC Directives, Part 2 (see www .iso .org/ directives).
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of
any patent rights identified during the development of the document will be in the Introduction and/or
on the ISO list of patent declarations received (see www .iso .org/ patents).
Any trade name used in this document is information given for the convenience of users and does not
constitute an endorsement.
For an explanation of the voluntary nature of standards, the meaning of ISO specific terms and
expressions related to conformity assessment, as well as information about ISO's adherence to the
World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT), see www .iso .org/
iso/ foreword .html.
This document was prepared by Technical Committee ISO/TC 168, Prosthetics and orthotics.
This second edition cancels and replaces the first edition (ISO 8549-4:2014), of which it constitutes a
minor revision. The main changes compared to the previous edition are as follows:
— The use of hyphens in anatomical terms, such as transpelvic, has been abandoned in line with other
parts of the ISO 8549 series.
A list of all parts in the ISO 8549 series can be found on the ISO website.
Any feedback or questions on this document should be directed to the user’s national standards body. A
complete listing of these bodies can be found at www .iso .org/ members .html.
iv © ISO 2020 – All rights reserved

Introduction
At present, no internationally accepted terminology describes the complete range of surgical limb
amputation levels, amputation procedures, and persons who have had an amputation. Members of clinic
teams in different countries have developed their own terminology to meet their own needs.
There is a need for a standard international system of terminology which will allow practitioners to
accurately describe the surgical history of persons who have had a limb amputation(s) and to facilitate
comparisons with the experience of other practitioners.
The terminology will also be of value to epidemiologists and governmental health officials.
---------------------
...

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