EN 556-1:2024
(Main)Sterilization of medical devices - Requirements for medical devices to be designated "STERILE" - Part 1: Requirements for terminally sterilized medical devices
Sterilization of medical devices - Requirements for medical devices to be designated "STERILE" - Part 1: Requirements for terminally sterilized medical devices
This document specifies the requirements for a terminally sterilized medical device to be designated ‘STERILE’. Part 2 of this European standard specifies the requirements for an aseptically processed medical device to be designated "STERILE".
NOTE For the purpose of the EU Directive(s) for medical devices (see Bibliography), designation of a medical device as ‘STERILE’ is only permissible when a validated sterilization process has been applied. Requirements for validation and routine control of processes for the sterilization of medical devices are specified in EN ISO 11135, EN ISO 11137, EN ISO 14160, EN ISO 14937, EN ISO 17665-1, EN ISO 20857, EN ISO 25424 and ISO 22441.
Sterilisation von Medizinprodukten - Anforderungen an Medizinprodukte, die als "STERIL" gekennzeichnet werden - Teil 1: Anforderungen an Medizinprodukte, die in der Endpackung sterilisiert wurden
Dieses Dokument legt die Anforderungen an ein in der Endpackung sterilisiertes Medizinprodukt fest, das als „STERIL“ gekennzeichnet wird. Teil 2 dieser Europäischen Norm legt die Anforderungen an ein aseptisch hergestelltes Medizinprodukt fest, das als „STERIL“ gekennzeichnet wird.
ANMERKUNG Für die Anwendung der EU-Richtlinie(n) für Medizinprodukte (siehe Literaturhinweise) ist die Kennzeichnung eines Medizinproduktes als „STERIL“ nur gestattet, wenn ein validiertes Sterilisationsverfahren angewandt wurde. Anforderungen an die Validierung und die Routineüberwachung von Sterilisationsverfahren für Medizinprodukte sind EN ISO 11135, EN ISO 11137, EN ISO 14160, EN ISO 14937, EN ISO 17665 1, EN ISO 20857, EN ISO 25424 und ISO 22441 angegeben.
Stérilisation des dispositifs médicaux - Exigences relatives aux dispositifs médicaux en vue d'obtenir l'étiquetage « STÉRILE » - Partie 1 : Exigences relatives aux dispositifs médicaux stérilisés de façon terminale
Le présent document spécifie les exigences à satisfaire pour qu’un dispositif médical stérilisé de façon terminale puisse être étiqueté « STÉRILE ». La partie 2 de l’EN 566 spécifie les exigences à satisfaire pour qu’un dispositif médical soumis à un traitement aseptique puisse être étiqueté « STÉRILE ».
Sterilizacija medicinskih pripomočkov - Zahteve za medicinske pripomočke, ki morajo biti označeni s "STERILNO" - 1. del: Zahteve za končno sterilizirane medicinske pripomočke
General Information
Relations
Standards Content (Sample)
SLOVENSKI STANDARD
01-september-2024
Nadomešča:
SIST EN 556-1:2002/AC:2006
Sterilizacija medicinskih pripomočkov - Zahteve za medicinske pripomočke, ki
morajo biti označeni s "STERILNO" - 1. del: Zahteve za končno sterilizirane
medicinske pripomočke
Sterilization of medical devices - Requirements for medical devices to be designated
"STERILE" - Part 1: Requirements for terminally sterilized medical devices
Sterilisation von Medizinprodukten - Anforderungen an Medizinprodukte, die als
"STERIL" gekennzeichnet werden - Teil 1: Anforderungen an Medizinprodukte, die in der
Endpackung sterilisiert wurden
Stérilisation des dispositifs médicaux - Exigences relatives aux dispositifs médicaux en
vue d'obtenir l'étiquetage « STÉRILE » - Partie 1 : Exigences relatives aux dispositifs
médicaux stérilisés de façon terminale
Ta slovenski standard je istoveten z: EN 556-1:2024
ICS:
11.080.01 Sterilizacija in dezinfekcija na Sterilization and disinfection
splošno in general
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
EN 556-1
EUROPEAN STANDARD
NORME EUROPÉENNE
July 2024
EUROPÄISCHE NORM
ICS 11.080.01 Supersedes EN 556-1:2001
English Version
Sterilization of medical devices - Requirements for medical
devices to be designated "STERILE" - Part 1: Requirements
for terminally sterilized medical devices
Stérilisation des dispositifs médicaux - Exigences Sterilisation von Medizinprodukten - Anforderungen
relatives aux dispositifs médicaux en vue d'obtenir an Medizinprodukte, die als "STERIL" gekennzeichnet
l'étiquetage " STÉRILE " - Partie 1 : Exigences relatives werden - Teil 1: Anforderungen an Medizinprodukte,
aux dispositifs médicaux stérilisés de façon terminale die in der Endpackung sterilisiert wurden
This European Standard was approved by CEN on 19 May 2024.
CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this
European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references
concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN
member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by
translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management
Centre has the same status as the official versions.
CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,
Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye and
United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2024 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 556-1:2024 E
worldwide for CEN national Members.
Contents Page
European foreword . 3
Introduction . 4
1 Scope . 5
2 Normative references . 5
3 Terms and definitions . 5
4 Requirements . 7
Annex ZA (informative) Relationship between this European Standard and the General
Safety and Performance Requirements of Regulation (EU) 2017/745 aimed to be covered . 8
Annex ZB (informative) Relationship between this European Standard and the General
Safety and Performance Requirements of Regulation (EU) 2017/746 aimed to be covered . 11
Bibliography . 13
European foreword
This document (EN 556-1:2024) has been prepared by Technical Committee CEN/TC 204, Sterilization of
medical devices, the secretariat of which is held by BSI.
This European Standard shall be given the status of a national standard, either by publication of an identical
text or by endorsement, at the latest by January 2025, and conflicting national standards shall be withdrawn
at the latest by January 2025.
Attention is drawn to the possibility that some of the elements of this document may be the subject of patent
rights. CEN shall not be held responsible for identifying any or all such patent rights.
This document supersedes EN 556-1:2001 and EN 556-1:2001/AC:2006.
This document has been prepared under a Standardization Request given to CEN by the European Commission
and the European Free Trade Association, and supports essential requirements of EU Directive(s) /
Regulation(s). For relationship with EU Directive(s) / Regulation(s), see informative Annexes ZA and ZB,
which is an integral part of this document.
EN 556, Sterilization of medical devices — Requirements for medical devices to be designated “STERILE”, is
currently composed with the following parts:
— Part 1: Requirements for terminally sterilized medical devices [this document];
— Part 2: Requirements for aseptically processed medical devices.
EN 556-1:2001/AC:2006:
— definitions have been aligned with EN ISO 11139;
— the normative reference has been updated to the latest edition;
— informative Annex ZA has been replaced with informative Annexes ZA and ZB giving the relationship with
the European Regulations for medical devices and in vitro diagnostic medical devices respectively;
— the Bibliography has been updated.
Any feedback and questions on this document should be directed to the users’ national standards body. A
complete listing of these bodies can be found on the CEN website.
According to the CEN-CENELEC Internal Regulations, the national standards organisations of the following
countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech
Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,
Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Republic of North Macedonia, Romania,
Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye and the United Kingdom.
Introduction
A sterile product item is one which is free of viable microorganisms. European standards for medical devices
require, when it is necessary to supply a sterile product item, that adventitious microbiological contamination
of a medical device from all sources is minimized by all practical means. Even so, product items produced
under standard manufacturing conditions in accordance with their requirements for quality management
systems for medical devices (see EN ISO 13485:2016 and EN ISO 13485:2016/A11:2021) can, prior to
sterilization, have microorganisms on them, albeit in low numbers. Such product items are non-sterile. The
purpose of sterilization processing is to inactivate the microbiological contaminants and thereby transform
the non-sterile items into sterile ones.
The inactivation of a pure culture of microorganisms by physical and/or chemical agents used to sterilize
medical devices often approximates to an exponential relationship; inevitably this means that, regardless of
the extent of treatment applied, there is always a finite probability that a microorganism will survive. For a
given treatment, the probability of survival is determined by the number and resistance of microorganisms
and by the environment in which the organisms exist during treatment. It follows that the sterility of any one
item subjected to sterilization processing cannot be guaranteed and the sterility of the processed items has to
be defined in terms of the probability of the existence of a surviving microorganism on/in an item. The
standards for quality management systems recognize that there are processes used which cannot be fully
verified by subsequent inspection and testing of product. Sterilization is an example of such a process.
Sterilization processes are validated before use, the performance of the process monitored routinely and the
equipment maintained.
It is important to be aware that exposure to a properly validated and accurately controlled sterilization
process is not the only factor associated with the provision of assurance that the product item is sterile and, in
this respect, suitable for its intended use. Attention has also to be given to a number of factors including the
microbiological status (bioburden) of incoming raw materials and/or components, their subsequent storage
and to the control of the environment in which the product is manufactured, assembled and packaged.
1 Scope
This document specifies the requirements for a terminally sterilized medical device to be designated
‘STERILE’. Part 2 of EN 566 specifies the requirements for an aseptically processed medical device to be
designated “STERILE”.
2 Normative references
The following documents are referred to in the text in such a way that some or all of their content constitutes
requirements of this document. For dated references, only the edition cited applies. For undated references,
the latest edition of the referenced document (including any amendments) applies.
EN ISO 13485:2016, Medical devices — Quality management systems — Requirements for regulatory purposes
(ISO 13485:2016)
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
ISO and IEC maintain terminological databases for use in standardization at the following addresses:
— IEC Electropedia: available at https://www.electropedia.org/
— ISO Online browsing platform: available at https://www.iso.org/obp
3.1
bioburden
population of viable microorganisms on or in a product and/or sterile barrier system
[Source: EN ISO 11139:2018, 3.23]
3.2
medical device
instrument, apparatus, implement, machine, appliance, implant, reagent for in vitro use, or software material,
or other similar or related article, intended by the manufacturer to be used, alone or in combination, for human
beings, for one or more of the specific medical purpose(s) of:
— diagnosis, prevention, monitoring, treatment, or alleviation of disease;
— diagnosis, monitoring, treatment, alleviation of, or compensation for an injury;
— investigation, replacement, modification, or support of the anatomy, or of a physiological process;
— supporting or sustaining life;
— control of conception;
— disinfection of medical devices;
— providing information by means of in vitro examination of specimens derived from the human body;
As impacted by EN ISO 13485:2016/A11:2021.
and does not achieve its primary intended action by pharmacological, immunological, or metabolic means, but
which may be assisted in its intended function by such means
Note 1 to entry: Products which may be considered to be medical devices in some jurisdictions, but not in others include:
— items specifically intended for cleaning or sterilization of medical devices;
— pouches, reel goods, sterilization wrap, and reusable containers for packaging of medical devices for
sterilization;
— disinfection substances;
— aids for persons with disabilities;
— devices incorporating animal and/or human tissues;
— devices for in vitro fertilization or assisted reproduction technologies.
[Source: EN ISO 13485:2016 , 3.11, modified — The first two list items in Note 1 to entry have been added.]
3.3
sterility
state of being free from viable micro-organisms
[Source: EN ISO 11139:2018, 3.274. Note to entry has been deleted]
3.4
sterile
free from viable micro-organisms
[Source: EN ISO 11139:2018, 3.271]
3.5
sterility assurance level
SAL
probability of a single viable microorganism occurring on an item after sterilization
Note 1 to entry: It is expressed as the negative exponent to the base 10.
[Source: EN ISO 11139:2018, 3.275]
3.6
terminally sterilized
condition of a product that has been exposed to a sterilization process in its sterilized barrier system
[Source EN ISO 11139:2018, 3.296]
4 Requirements
4.1 For a terminally sterilized medical device to be designated "STERILE", the probability of there being a
−6
viable micro-organism present on/in the device shall be equal to or less than 1×10 .
NOTE 1 Permission for acceptance of a probability greater than that specified in 4.1 may be sought through the
appropriate regulatory bodies. Such permission requires consideration of the individual situation, including
consideration of the risk management process (see, for example, EN ISO 14971) undertaken by the manufacturer of the
medical device.
NOTE 2 ISO/TS 19930 provides guidance on identifying the aspects to be considered as part of a risk-based approach
to selecting a sterility assurance level (SAL) for terminally sterilized, single-use health care product that is unable to
−6
withstand pr
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