EN 12342:1998+A1:2009: Breathing tubes intended for use with anaesthetic apparatus and ventilators
DIN EN 12342:2010-01 (E)
Breathing tubes intended for use with anaesthetic apparatus and ventilators
(includes Amendment A1:2009)
Contents Page
Foreword ……………………………………………………………………………………………………………………………………….3
Introduction ……………………………………………………………………………………………………………………………………4
1 Scope ……………………………………………………………………………………………………………………………..5
2 Normative references ……………………………………………………………………………………………………..5
3 Definitions ………………………………………………………………………………………………………………………5
4 Materials …………………………………………………………………………………………………………………………7
5 Design ……………………………………………………………………………………………………………………………7
6 Length ……………………………………………………………………………………………………………………………7
7 Resistance to flow …………………………………………………………………………………………………………..7
8 Means of connection ……………………………………………………………………………………………………….8
9 Leakage ………………………………………………………………………………………………………………………….8
10 Increase in flow resistance with bending …………………………………………………………………………9
11 Compliance of breathing tubes ……………………………………………………………………………………….9
12 Information to be supplied by the manufacturer ………………………………………………………………9
13 Electrical resistance ………………………………………………………………………………………………………..9
14 Requirements for breathing tubes supplied sterile …………………………………………………………..9
15 Marking …………………………………………………………………………………………………………………………10
Annex A (normative) Resistance to air flow …………………………………………………………………………………..12
Annex B (normative) Method of testing security of attachment of plain end to appropriately-sized
male conical connector …………………………………………………………………………………………………14
Annex C (normative) Method of testing security of attachment of adaptor to breathing tube ………….15
Annex D (normative) Method of testing leakage …………………………………………………………………………….16
Annex E (normative) Method of testing increase in flow resistance with bending …………………………..18
Annex F (normative) Method of testing compliance ……………………………………………………………………….20
Annex G (informative) Recommendations for materials and design ……………………………………………….21
Annex H (informative) Bibliography ………………………………………………………………………………………………22
Annex ZA (informative) !!!!Relationship between this European Standard and the Essential
Requirements of EU Directive 93/42/EEC”””” ………………………………………………………………… 23