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13503-8:2000
The European Standard EN 13503-8:2000 has the status of a
British Standard
ICS 11.040.70
NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW
Ophthalmic implants Ð
Intraocular lenses Ð
Part 8: Fundamental requirements
Trang 2This British Standard, having
been prepared under the
direction of the Health and
Environment Sector Committee,
was published under the
authority of the Standards
Committee and comes into effect
on 15 July 2000
BSI 07-2000
ISBN 0 580 34327 8
BS EN 13503-8:2000
Amendments issued since publication
National foreword
This British Standard is the official English language version of EN 13503-8:2000 The UK participation in its preparation was entrusted by Technical Committee CH/78, Ophthalmic optics, to Subcommittee CH/78/7, Eye implants, which has the responsibility to:
Ð aid enquirers to understand the text;
Ð present to the responsible European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed;
Ð monitor related international and European developments and promulgate them in the UK
A list of organizations represented on this subcommittee can be obtained on request
to its secretary
Cross-references
The British Standards which implement international or European publications referred to in this document may be found in the BSI Standards Catalogue under the section entitled ªInternational Standards Correspondence Indexº, or by using the ªFindº facility of the BSI Standards Electronic Catalogue
A British Standard does not purport to include all the necessary provisions of a contract Users of British Standards are responsible for their correct application
Compliance with a British Standard does not of itself confer immunity from legal obligations.
Summary of pages
This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 7 and a back cover
The BSI copyright notice displayed in this document indicates when the document was last issued
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Trang 4Page 2
EN 13503-8:2000
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Foreword
This European Standard has been prepared by Technical Committee CEN/TC 170, Ophthalmic optics, the Secretariat of which is held by DIN
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 September 2000, and conflicting national standards shall be withdrawn
at the latest by September 2000
This European Standard has been prepared under a mandate given to CEN by the European Commission and the European Free Trade Association, and supports essential requirements of EU Directive(s)
For relationship with EU Directive(s), see informative annex ZA, which is an integral part of this standard According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and the United Kingdom
European Standard EN 13503 was developed by CEN/TC 170, Ophthalmic optics, in cooperation with ISO/TC 172/SC 7, Ophthalmic optics and instruments, and is published in several parts under the general title Ophthalmic implants - Intraocular lenses:
Part 1: Vocabulary;
Part 2: Optical properties and test methods;
Part 3: Mechanical properties and test methods;
Part 4: Labelling and information;
Part 5: Biocompatibility;
Part 6: Shelf-life and transport stability;
Part 7: Clinical investigations;
Part 8: Fundamental requirements
It always was and still is the intention of the Technical Committees CEN/TC 170 and ISO/TC 172/SC 7 to prepare identical ISO and CEN Standards on intraocular lenses However, during the preparation of part 7 of this series, problems were encountered with normative references to the existing ISO 14155 and EN540 horizontal standards on clinical investigation of medical devices, which are similar but not identical
ISO and CEN principles concerning normative references made it impossible to continue the preparation of identical International and European Standards on the clinical investigation of intraocular lenses As a result, two different standards series have had to be prepared It is the intention of CEN/TC 170 and ISO/TC 172/SC 7
to revise these standards with the goal of ending up with identical ones as soon as identical ISO and CEN horizontal standards become available
EN 13503 is the modified ISO 11979 The main difference between both series of standards is that ISO 11979
is based on the reference to ISO 14155, Clinical investigation of medical devices, while EN 13503 is based on the reference to EN 540, Clinical investigation of medical devices for human subjects
In the present European Standard, modifications with regard to ISO 11979-8 are indicated by strike-out or underlining and cross references are given where possible
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Trang 5Page 3
EN 13503-8:2000
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Introduction
This part of EN 13503 provides fundamental requirements of a general nature for intraocular lenses It refers to other standards applicable to intraocular lenses for specific methods and requirements
It always was and still is the intention of the Technical Committees CEN/TC 170 and ISO/TC 172/SC 7 to prepare identical ISO and CEN (European Commitee for Standardization) standards on intraocular lenses However, during the preparation of part 7 of this series, problems were encountered with normative references
to the existing ISO 14155 and EN540 horizontal standards on clinical investigation of medical devices, which are similar but not identical
ISO and CEN principles concerning normative references made it impossible to continue the preparation of identical International and European Standards on the clinical investigation of intraocular lenses As a result, two different standards series have had to be prepared It is the intention of CEN/TC 170 and ISO/TC 172/SC 7
to revise these standards with the goal of ending up with identical ones as soon as identical ISO and CEN horizontal standards become available
This part of EN 13503 specifies fundamental requirements for all types of intraocular lenses (IOLs) intended for surgical implantation into the anterior segment of the human eye, excluding corneal implants and transplants
NOTE If a test method contained in a standard referenced by this part of EN 13503 is not suitable for a certain design or for a certain application, the manufacturer may devise an alternative test method if validation and rationale for that method is documented.
The following standards contain provisions which, through reference in this text, constitute provisions of this International Standard At the time of publication, the editions indicated were valid All standards are subject to revision, and parties to agreements based on this International Standard are encouraged to investigate the possibility of applying the most recent editions of the standards indicated below Members of IEC and ISO maintain registers of currently valid International Standards
This European Standard incorporates by dated or undated references, provisions from other publications These normative references are cited at the appropriate places in the text and the publications are listed hereafter For dated references, subsequent amendments to or revisions of any of these publications apply to this European Standard only when incorporated in it by amendment or revision For undated references the latest edition of the publication referred to applies
ISO 10993-7:1995, Biological evaluation of medical devices - Part 7: Ethylene oxide sterilization residuals
EN ISO 11979-1:1999, Ophthalmic implants – Intraocular lenses – Part 1: Vocabulary
EN ISO 11979-2:1999, Ophthalmic implants – Intraocular lenses – Part 2: Optical properties and test methods
EN 13503-3) Ophthalmic implants – Intraocular lenses – Part 3: Mechanical properties and test methods
EN ISO 11979-4 Ophthalmic implants – Intraocular lenses – Part 4: Labelling and information
EN 13503-51)
, Ophthalmic implants – Intraocular lenses – Part 5: Biocompatibility
EN 13503-61)
, Ophthalmic implants – Intraocular lenses – Part 6: Shelf life and transport stability
EN 13503-71)
, Ophthalmic implants – Intraocular lenses – Part 7: Clinical investigations
)
To be published.
Trang 6Page 4
EN 13503-8:2000
%6,
For the purposes of this part of EN 13503, the terms and definitions given in EN ISO 11979-1 apply
The safety of the IOL shall be demonstrated by pre-clinical and clinical evaluation, including suitable risk analysis
The manufacturer shall ensure that the IOL conforms to applicable requirements in EN ISO 11979-2 and
EN 13503-3 The manufacturer shall record and justify any deviations from EN ISO 11979-2 and EN 13503-3
In addition, all information shall be retained by the manufacturer in compliance with applicable regulatory requirements
The manufacturer shall have documented evidence that demonstrates the IOL to be biocompatible by assessment in accordance with EN 13503-5
NOTE Manufacturers should take into consideration previous clinical experience and data when determining the extent
of further pre-clinical testing (see also clause 6) See EN ISO 10993-1 for guidance on testing for biocompatibility
The IOL shall be demonstrated to be clinically safe and effective by one of the following:
a)having undergone clinical evaluation in accordance with EN 13503-7;
b)being supported by retrospective data which provide a level of assurance of safety and effectiveness which
is equivalent to a clinical assessment in accordance with EN 13503-7
c)being a minor modification of a parent model for which safety and effectiveness has been established in accordance with ISO 11979-7
NOTE Examples of modifications that may be considered minor are given in ISO 11979-7.
Intraocular lenses shall be manufactured in accordance with documented specified design attributes
The manufacturer shall ensure that the IOL in its packaging (see clause 9) will maintain its sterility up to the expiration date stated
NOTE EN 556 specifies requirements for terminally sterilized medical devices to be labelled “Sterile” The current standards describing procedures for validating methods of sterilization are:
a) steam sterilization (ISO 11134 and EN 554);
b) ethylene oxide sterilization (ISO 11135 and EN 550); and
c) radiation sterilization (ISO 11137 and EN 552).
Trang 7Page 5
EN 13503-8:2000
%6,
Whichever method of sterilization is used, the manufacturer shall have documented evidence to demonstrate both the effectiveness of the method and its validation
The packaging shall be so designed that, under conditions specified by the manufacturer for storage, transport and handling, the IOL will be protected against damage and deterioration which would impair its safety in use (see requirements in EN 13503-6) In addition, the packaging shall be so designed that, at the expiration date, the IOL will still conform to clauses 4 and 8 of this part of EN 13503
The IOL as marketed shall be supplied with labelling and information in accordance with EN ISO 11979-4
Trang 8Page 6
EN 13503-8:2000
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EN 13503-8:2000
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Bibliography
[1] EN ISO 10993-1:1997, Biological evaluation of medical devices – Part 1: Evaluation and testing (ISO 10993-1:1997)
[ ] EN ISO 10993-7:1995, Biological evaluation of medical devices – Part 7: Ethylene oxide sterilization residuals (ISO 10993-7:1995)
[2] ISO 11134:1994, Sterilization of health care products – Requirements for validation and routine control – Industrial moist heat sterilization
[3] ISO 11135:1994, Medical devices – Validation and routine control of ethylene oxide sterilization
[4] ISO 11137:1995, Sterilization of health care products – Requirements for validation and routine control – Radiation sterilization
[5] EN 550:1994, Sterilization of medical devices – Validation and routine control of ethylene oxide sterilization [6] EN 552:1994, Sterilization of medical devices – Validation and routine control of sterilization by irradiation [7] EN 554:1994, Sterilization of medical devices – Validation and routine control of sterilization by moist heat [8] EN 556:1994, Sterilization of medical devices – Requirements for medical devices to be labelled “Sterile”
Trang 10BS EN
13503-8:2000
BSI
389 Chiswick High Road
London
W4 4AL
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