SIST EN 60601-2-50:2009

SLOVENSKI STANDARD
SIST EN 60601-2-50:2009
01-julij-2009
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SIST EN 60601-2-50:2002
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Medical electrical equipment - Part 2-50: Particular requirements for basic safety and
essential performance of infant phototherapy equipment (IEC 60601-2-50:2009)
Medizinische elektrische Geräte - Teil 2-50: Besondere Festlegungen für die Sicherheit
einschließlich der wesentlichen Leistungsmerkmale von Säuglings-Phototherapiegeräten
(IEC 60601-2-50:2009)
Appareils électromédicaux- Partie 2-50: Exigences particulières de sécurité de base et
de performances essentielles des appareils de photothérapie pour nouveau-nés (CEI
60601-2-50:2009)
Ta slovenski standard je istoveten z: EN 60601-2-50:200X
ICS:
11.040.60 Terapevtska oprema Therapy equipment
SIST EN 60601-2-50:2009 en,fr
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN 60601-2-50:2009

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SIST EN 60601-2-50:2009

EUROPEAN STANDARD
EN 60601-2-50

NORME EUROPÉENNE
May 2009
EUROPÄISCHE NORM

ICS 11.040.60 Supersedes EN 60601-2-50:2002


English version


Medical electrical equipment -
Part 2-50: Particular requirements
for the basic safety and essential performance
of infant phototherapy equipment
(IEC 60601-2-50:2009)


Appareils électromédicaux -  Medizinische elektrische Geräte -
Partie 2-50: Exigences particulières Teil 2-50: Besondere Festlegungen
pour la sécurité de base für die Sicherheit einschließlich
et les performances essentielles der wesentlichen Leistungsmerkmale
des appareils de photothérapie von Säuglings-Phototherapiegeräten
pour nouveau-nés (IEC 60601-2-50:2009)
(CEI 60601-2-50:2009)




This European Standard was approved by CENELEC on 2009-05-01. CENELEC 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 Central Secretariat or to any CENELEC 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 CENELEC member into its own language and notified
to the Central Secretariat has the same status as the official versions.

CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Cyprus, the
Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,
Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain,
Sweden, Switzerland and the United Kingdom.

CENELEC
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung

Central Secretariat: Avenue Marnix 17, B - 1000 Brussels


© 2009 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.
Ref. No. EN 60601-2-50:2009 E

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SIST EN 60601-2-50:2009
EN 60601-2-50:2009 - 2 -
Foreword
The text of document 62D/736A/FDIS, future edition 2 of IEC 60601-2-50, prepared by SC 62D,
Electromedical equipment, of IEC TC 62, Electrical equipment in medical practice, was submitted to the
IEC-CENELEC parallel vote and was approved by CENELEC as EN 60601-2-50 on 2009-05-01.
This European Standard supersedes EN 60601-2-50:2002.
Specific technical changes from EN 60601-2-50:2002 include:
– requiring graphical representation of the spectral irradiance in the instructions for use (this was
previously optional; see 201.7.9.2.5 b));
– requirements for support and mounting brackets for ACCESSORIES (see 201.9.8.101);
– requiring restoration of any preset values upon interruption and restoration of the power supply, if
applicable (see 201.11.8); and
– corrections to the first four exposure limits (ELs) listed in Table AA.1.
Minor changes from EN 60601-2-50:2002 include replacing the figure containing the eye protection
symbol with a reference to this same symbol in IEC 60878 (see 201.7.2.101), defining an INFANT (see
201.3.202) and clarifying the titles for subclauses 201.5.4.102 and 201.5.4.103.
The main purpose, however, is to provide consistency with the general standard EN 60601-1:2006. This
EN 60601-2-50:2009 further provides consistency with the four other particular standards related to
pediatric equipment for which the committee is responsible.
The following dates were fixed:
– latest date by which the EN has to be implemented
at national level by publication of an identical
national standard or by endorsement (dop) 2010-02-01
– latest date by which the national standards conflicting
with the EN have to be withdrawn (dow) 2012-05-01
This European Standard has been prepared under a mandate given to CENELEC by the European
Commission and the European Free Trade Association and covers essential requirements of
EC Directive MDD (93/42/EEC). See Annex ZZ.
In this standard, the following print types are used:
– Requirements and definitions: roman type.
– Test specifications: italic type.
– Informative material appearing outside of tables, such as notes, examples and references: in smaller type. Normative text of
tables is also in a smaller type.
– TERMS DEFINED IN CLAUSE 3 OF THE GENERAL STANDARD, IN THIS PARTICULAR STANDARD OR AS NOTED:
SMALL CAPITALS.
In referring to the structure of this standard, the term
– “clause” means one of the seventeen numbered divisions within the table of contents, inclusive of all
subdivisions (e.g. Clause 7 includes subclauses 7.1, 7.2, etc.);
– “subclause” means a numbered subdivision of a clause (e.g. 7.1, 7.2 and 7.2.1 are all subclauses of
Clause 7).

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SIST EN 60601-2-50:2009
- 3 - EN 60601-2-50:2009
References to clauses within this standard are preceded by the term “Clause” followed by the clause
number. References to subclauses within this particular standard are by number only.
In this standard, the conjunctive “or” is used as an “inclusive or” so a statement is true if any combination
of the conditions is true.
The verbal forms used in this standard conform to usage described in Annex H of the ISO/IEC Directives,
Part 2. For the purposes of this standard, the auxiliary verb:
− “shall” means that compliance with a requirement or a test is mandatory for compliance with this
standard;
− “should” means that compliance with a requirement or a test is recommended but is not mandatory for
compliance with this standard;
− “may” is used to describe a permissible way to achieve compliance with a requirement or test.
An asterisk (*) as the first character of a title or at the beginning of a paragraph or table title indicates that
there is guidance or rationale related to that item in Annex AA.
Annexes ZA and ZZ have been added by CENELEC.
__________
Endorsement notice
The text of the International Standard IEC 60601-2-50:2009 was approved by CENELEC as a European
Standard without any modification.
In the official version, for Bibliography, the following notes have to be added for the standards indicated:
IEC 60335-2-27 NOTE  Harmonized as EN 60335-2-27:1997 (not modified).
IEC 60601-2-19 NOTE  Harmonized as EN 60601-2-19:2009 (not modified).
IEC 60601-2-21 NOTE  Harmonized as EN 60601-2-21:2009 (not modified).
ISO 3743-1 NOTE  Harmonized as EN ISO 3743-1:1995 (not modified).
__________

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SIST EN 60601-2-50:2009
EN 60601-2-50:2009 - 4 -
Annex ZA
(normative)

Normative references to international publications
with their corresponding European publications

The following referenced documents are indispensable for the application 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.

NOTE  When an international publication has been modified by common modifications, indicated by (mod), the relevant EN/HD
applies.

Annex ZA of EN 60601-1:2006 applies, except as follows:

Publication Year Title EN/HD Year

Replace the reference to IEC 60601-1-2 by:

IEC 60601-1-2 2007 Medical electrical equipment - EN 60601-1-2 2007
(mod) Part 1-2: General requirements for basic
safety and essential performance - Collateral
Standard: Electromagnetic compatibility -
Requirements and tests

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SIST EN 60601-2-50:2009
- 5 - EN 60601-2-50:2009
Annex ZZ
(informative)

Coverage of Essential Requirements of EC Directives
This European Standard has been prepared under a mandate given to CENELEC by the European
Commission and the European Free Trade Association and within its scope the standard covers all
relevant essential requirements as given in Annex I of the EC Directive 93/42/EEC.
Compliance with this standard provides one means of conformity with the specified essential
requirements of the Directive concerned.
WARNING: Other requirements and other EC Directives may be applicable to the products falling within
the scope of this standard.
___________

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SIST EN 60601-2-50:2009

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SIST EN 60601-2-50:2009
IEC 60601-2-50
®
Edition 2.0 2009-03
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE


Medical electrical equipment –
Part 2-50: Particular requirements for the basic safety and essential performance
of infant phototherapy equipment

Appareils électromédicaux –
Partie 2-50: Exigences particulières pour la sécurité de base et les performances
essentielles des appareils de photothérapie pour nouveau-nés


INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
PRICE CODE
INTERNATIONALE
U
CODE PRIX
ICS 11.040.60 ISBN 2-8318-1034-3
® Registered trademark of the International Electrotechnical Commission
Marque déposée de la Commission Electrotechnique Internationale

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SIST EN 60601-2-50:2009
– 2 – 60601-2-50 © IEC:2009
CONTENTS
FOREWORD.3
INTRODUCTION.6
201.1 Scope, object and related standards .7
201.2 Normative references .9
201.3 Terms and definitions.9
201.4 General requirements.10
201.5 General requirements for testing of ME EQUIPMENT.11
201.6 Classification of ME EQUIPMENT and ME SYSTEMS .11
201.7 ME EQUIPMENT identification, marking and documents.11
201.8 Protection against electrical HAZARDS from ME EQUIPMENT.14
201.9 Protection against MECHANICAL HAZARDS of ME EQUIPMENT and ME SYSTEMS.14
201.10 Protection against unwanted and excessive radiation HAZARDS.15
201.11 Protection against excessive temperatures and other HAZARDS.16
201.12 Accuracy of controls and instruments and protection against hazardous
outputs.16
201.13 HAZARDOUS SITUATIONS and fault conditions.19
201.14 PROGRAMMABLE ELECTRICAL MEDICAL SYSTEMS (PEMS) .19
201.15 Construction of ME EQUIPMENT .19
201.16 ME SYSTEMS .20
201.17 Electromagnetic compatibility of ME EQUIPMENT and ME SYSTEMS .20
202 Electromagnetic compatibility .20
Annexes .20
Annex AA (informative) Particular guidance and rationale.21
Bibliography.26
Index of defined terms used in this particular standard.28

Figure 201.101 – Example of a measuring grid .17
Figure 201.102 – Layout of weight test devices.19

Table 201.101 – List of symbols, abbreviations and acronyms .10
Table AA.1 – UV radiation exposure limits and spectral weighting function .24

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SIST EN 60601-2-50:2009
60601-2-50 © IEC:2009 – 3 –
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________

MEDICAL ELECTRICAL EQUIPMENT –

Part 2-50: Particular requirements for the basic safety and
essential performance of infant phototherapy equipment


FOREWORD
1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising
all national electrotechnical committees (IEC National Committees). The object of IEC is to promote
international co-operation on all questions concerning standardization in the electrical and electronic fields. To
this end and in addition to other activities, IEC publishes International Standards, Technical Specifications,
Technical Reports, Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC
Publication(s)”). Their preparation is entrusted to technical committees; any IEC National Committee interested
in the subject dealt with may participate in this preparatory work. International, governmental and non-
governmental organizations liaising with the IEC also participate in this preparation. IEC collaborates closely
with the International Organization for Standardization (ISO) in accordance with conditions determined by
agreement between the two organizations.
2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international
consensus of opinion on the relevant subjects since each technical committee has representation from all
interested IEC National Committees.
3) IEC Publications have the form of recommendations for international use and are accepted by IEC National
Committees in that sense. While all reasonable efforts are made to ensure that the technical content of IEC
Publications is accurate, IEC cannot be held responsible for the way in which they are used or for any
misinterpretation by any end user.
4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications
transparently to the maximum extent possible in their national and regional publications. Any divergence
between any IEC Publication and the corresponding national or regional publication shall be clearly indicated in
the latter.
5) IEC provides no marking procedure to indicate its approval and cannot be rendered responsible for any
equipment declared to be in conformity with an IEC Publication.
6) All users should ensure that they have the latest edition of this publication.
7) No liability shall attach to IEC or its directors, employees, servants or agents including individual experts and
members of its technical committees and IEC National Committees for any personal injury, property damage or
other damage of any nature whatsoever, whether direct or indirect, or for costs (including legal fees) and
expenses arising out of the publication, use of, or reliance upon, this IEC Publication or any other IEC
Publications.
8) Attention is drawn to the Normative References cited in this publication. Use of the referenced publications is
indispensable for the correct application of this publication.
9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of
patent rights. IEC shall not be held responsible for identifying any or all such patent rights.
International standard IEC 60601-2-50 has been prepared by subcommittee 62D:
Electromedical equipment, of IEC technical committee 62: Electrical equipment in medical
practice.
This second edition cancels and replaces the first edition published in 2000. This edition
constitutes a technical revision.
Specific technical changes from the previous edition of this particular standard include:
– requiring graphical representation of the spectral irradiance in the instructions for use (this
was previously optional; see 201.7.9.2.5 b));
– requirements for support and mounting brackets for ACCESSORIES (see 201.9.8.101);
– requiring restoration of any preset values upon interruption and restoration of the power
supply, if applicable (see 201.11.8); and
– corrections to the first four exposure limits (ELs) listed in Table AA.1.

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SIST EN 60601-2-50:2009
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Minor changes from the previous edition of this particular standard include replacing the
figure containing the eye protection symbol with a reference to this same symbol in IEC 60878
(see 201.7.2.101), defining an INFANT (see 201.3.202) and clarifying the titles for subclauses
201.5.4.102 and 201.5.4.103.
The main purpose of this new edition, however, is to provide consistency with the third edition
of the general standard. This edition further provides consistency with the four other particular
standards related to pediatric equipment for which the committee is responsible.
The text of this particular standard is based on the following documents:
FDIS Report on voting
62D/736A/FDIS 62D/765/RVD

Full information on the voting for the approval of this particular standard can be found in the
report on voting indicated in the above table.
This publication has been drafted in accordance with the ISO/IEC Directives, Part 2.
In this standard, the following print types are used:
– Requirements and definitions: roman type.
– Test specifications: italic type.
– Informative material appearing outside of tables, such as notes, examples and references: in smaller type.
Normative text of tables is also in a smaller type.
– TERMS DEFINED IN CLAUSE 3 OF THE GENERAL STANDARD, IN THIS PARTICULAR STANDARD OR AS
NOTED: SMALL CAPITALS.
In referring to the structure of this standard, the term
– “clause” means one of the seventeen numbered divisions within the table of contents,
inclusive of all subdivisions (e.g. Clause 7 includes subclauses 7.1, 7.2, etc.);
– “subclause” means a numbered subdivision of a clause (e.g. 7.1, 7.2 and 7.2.1 are all
subclauses of Clause 7).
References to clauses within this standard are preceded by the term “Clause” followed by the
clause number. References to subclauses within this particular standard are by number only.
In this standard, the conjunctive “or” is used as an “inclusive or” so a statement is true if any
combination of the conditions is true.
The verbal forms used in this standard conform to usage described in Annex H of the ISO/IEC
Directives, Part 2. For the purposes of this standard, the auxiliary verb:
– “shall” means that compliance with a requirement or a test is mandatory for compliance
with this standard;
– “should” means that compliance with a requirement or a test is recommended but is not
mandatory for compliance with this standard;
– “may” is used to describe a permissible way to achieve compliance with a requirement or
test.
An asterisk (*) as the first character of a title or at the beginning of a paragraph or table title
indicates that there is guidance or rationale related to that item in Annex AA.
A list of all parts of the IEC 60601 series, published under the general title Medical electrical
equipment, can be found on the IEC website.

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SIST EN 60601-2-50:2009
60601-2-50 © IEC:2009 – 5 –
The committee has decided that the contents of this publication will remain unchanged until
the maintenance result date indicated on the IEC web site under "http://webstore.iec.ch" in
the data related to the specific publication. At this date, the publication will be
• reconfirmed,
• withdrawn,
• replaced by a revised edition, or
• amended.

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SIST EN 60601-2-50:2009
– 6 – 60601-2-50 © IEC:2009
INTRODUCTION
The minimum safety requirements specified in this particular standard are considered to
provide for a practical degree of safety in the operation of INFANT PHOTOTHERAPY EQUIPMENT.
This particular standard amends and supplements IEC 60601-1:2005, Medical electrical
equipment – Part 1: General requirements for basic safety and essential performance,
hereinafter referred to as the general standard.
The requirements are followed by specifications for the relevant tests.
A general guidance and rationale for the requirements of this particular standard are given in
Annex AA.
It is considered that knowledge of the reasons for these requirements will not only facilitate
the proper application of this particular standard but will, in due course, expedite any revision
necessitated by changes in clinical practice or as a result of developments in technology.
However, this annex does not form part of the requirements of this standard.

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SIST EN 60601-2-50:2009
60601-2-50 © IEC:2009 – 7 –
MEDICAL ELECTRICAL EQUIPMENT –

Part 2-50: Particular requirements for the basic safety and
essential performance of infant phototherapy equipment



201.1 Scope, object and related standards
1)
Clause 1 of the general standard applies, except as follows:
201.1.1 * Scope
Replacement:
This International Standard applies to the BASIC SAFETY and ESSENTIAL PERFORMANCE of INFANT
PHOTOTHERAPY EQUIPMENT, as defined in 201.3.203 of this standard, also referred to as
ME EQUIPMENT.
If a clause or subclause is specifically intended to be applicable to ME EQUIPMENT only, or to
ME SYSTEMS only, the title and content of that clause or subclause will say so. If that is not the
case, the clause or subclause applies both to ME EQUIPMENT and to ME SYSTEMS, as relevant.
HAZARDS inherent in the intended physiological function of ME EQUIPMENT or ME SYSTEMS
within the scope of this standard are not covered by specific requirements in this standard
except in 7.2.13 and 8.4.1 of the general standard.
NOTE See also 4.2 of the general standard.
This particular standard specifies safety requirements for INFANT PHOTOTHERAPY EQUIPMENT,
but alternate methods of compliance with a specific clause by demonstrating equivalent safety
will not be judged as non-compliant if the MANUFACTURER has demonstrated in his RISK
MANAGEMENT FILE that the RISK presented by the HAZARD has been found to be of an
acceptable level when weighed against the benefit of treatment from the device.
This particular standard does not apply to:
– devices supplying heat via BLANKETS, PADS or MATTRESSES in medical use, for information
see IEC 80601-2-35;
– INFANT INCUBATORS; for information see IEC 60601-2-19;
– INFANT TRANSPORT INCUBATORS; for information, see IEC 60601-2-20;
– INFANT RADIANT WARMERS; for information see IEC 60601-2-21.
201.1.2 Object
Replacement:
The object of this particular standard is to establish particular BASIC SAFETY and ESSENTIAL
PERFORMANCE requirements for INFANT PHOTOTHERAPY EQUIPMENT (as defined in 201.3.203),
which reduce the safety HAZARDS to PATIENTS and OPERATORS as much as possible and to
specify tests for demonstrating compliance with these requirements.
—————————
1)
The general standard is IEC 60601-1:2005, Medical electrical equipment – Part 1: General requirements for

basic safety and essential performance.

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SIST EN 60601-2-50:2009
– 8 – 60601-2-50 © IEC:2009
201.1.3 Collateral standards
Addition:
This particular standard refers to those applicable collateral standards that are listed in
Clause 2 of the general standard and Clause 2 of this particular standard.
2)
IEC 60601-1-2 applies as modified in Clause 202. IEC 60601-1-3 and IEC 60601-1-10 do
not apply. All other published collateral standards in the IEC 60601-1 series apply as
published.
201.1.4 Particular standards
Replacement:
In the IEC 60601 series, particular standards may modify, replace or delete requirements
contained in the general standard and collateral standards as appropriate for the particular
ME EQUIPMENT under consideration, and may add other BASIC SAFETY and ESSENTIAL
PERFORMANCE requirements.
A requirement of a particular standard takes priority over the general standard.
For brevity, IEC 60601-1 is referred to in this particular standard as the general standard.
Collateral standards are referred to by their document number.
The numbering of clauses and subclauses of this particular standard corresponds to that of
the general standard with the prefix “201” (e.g. 201.1 in this standard addresses the content
of Clause 1 of the general standard) or applicable collateral standard with the prefix “20x”
where x is the final digit(s) of the collateral standard document number (e.g. 202.4 in this
particular standard addresses the content of Clause 4 of the IEC 60601-1-2 collateral
standard, 203.4 in this particular standard addresses the content of Clause 4 of the
IEC 60601-1-3 collateral standard, etc.). The changes to the text of the general standard are
specified by the use of the following words:
"Replacement" means that the clause or subclause of the general standard or applicable
collateral standard is replaced completely by the text of this particular standard.
"Addition" means that the text of this particular standard is additional to the requirements of
the general standard or applicable collateral standard.
"Amendment" means that the clause or subclause of the general standard or applicable
collateral standard is amended as indicated by the text of this particular standard.
Subclauses, figures or tables which are additional to those of the general standard are
numbered starting from 201.101. However, due to the fact that definitions in the general
standard are numbered 3.1 through 3.139, additional definitions in this standard are
numbered beginning from 201.3.201. Additional annexes are lettered AA, BB, etc., and
additional items aa), bb), etc.
Subclauses or figures which are additional to those of a collateral standard are numbered
starting from 20x, where “x” is the number of the collateral standard, e.g. 202 for IEC 60601-
1-2, 203 for IEC 60601-1-3, etc.
—————————
2)
IEC 60601-1-10:2007, Medical electrical equipment – Part 1-10: General requirements for basic safety and
essential performance – Collateral Standard: Requirements for the development of physiologic closed-loop
controllers

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SIST EN 60601-2-50:2009
60601-2-50 © IEC:2009 – 9 –
The term "this standard" is used to make reference to the general standard, any applicable
collateral standards and this particular standard taken together.
Where there is no corresponding clause or subclause in this particular standard, the clause or
subclause of the general standard or applicable collateral standard, although possibly not
relevant, applies without modification; where it is intended that any part of the general
standard or applicable collateral standard, although possibly relevant, is not to be applied, a
statement to that effect is given in this particular standard.
201.2 Normative references
NOTE Informative references are listed in the bibliography beginning on page 26.
Clause 2 of the general standard applies, except as follows:
Amendment:
IEC 60601-1-2:2007, Medical electrical equipment – Part 1-2: General requirements for basic
safety and essential performance – Collateral standard: Electromagnetic compatibility –
Requirements and tests
201.3 Terms and definitions
For the purposes of this document, the terms and definitions given in IEC 60601-1:2005,
apply, except as follows:
NOTE An index of defined terms is found beginning on page 28. A list of symbols, abbreviations and acronyms
used in this particular standard is given in Table 201.101.
Replacement:
201.3.76
PATIENT
INFANT, as specified under 201.3.202, who is being treat
...