UNI EN 12342 : 2009

Foreword
Introduction
1 Scope
2 Normative references
3 Definitions
4 Materials
5 Design
6 Length
7 Resistance to flow
8 Means of connection
9 Leakage
10 Increase in flow resistance with bending
11 Compliance of breathing tubes
12 Information to be supplied by the manufacturer
13 Electrical resistance
14 Requirements for breathing tubes supplied sterile
15 Marking
Annex A (normative) - Resistance to air flow
Annex B (normative) - Method of testing security of
         attachment of plain end to appropriately-sized
         male conical connector
Annex C (normative) - Method of testing security of
         attachment of adaptor to breathing tube
Annex D (normative) - Method of testing leakage
Annex E (normative) - Method of testing increase in flow
         resistance with bending
Annex F (normative) - Method of testing compliance
Annex G (informative) - Recommendations for materials
         and design
Annex H (informative) - Bibliography
Annex ZA (informative) - Relationship between this European
         Standard and the Essential Requirements of EU
         Directive 93/42/EEC

Describes the basic requirements for breathing tubes and breathing tubing supplied to be cut to length, intended for use with anaesthetic apparatus and ventilators, humidifiers and nebulizers. Also relates to breathing tubes and Y-pieces supplied already assembled and to those supplied as components and assembled in accordance with the manufacturers' instructions.