Table of Contents
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AS/NZS 2496:1995 BREATHING ATTACHMENTS FOR ANAESTHETIC PURPOSES FOR HUMAN USE
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PREFACE
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CONTENTS
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1 SCOPE
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2 REFERENCED DOCUMENTS
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3 DEFINITIONS
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3.1 Adjustable pressure limiting (APL) valve
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3.2 Breathing attachments
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3.3 Breathing system
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3.4 Connector
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3.5 Elastomeric
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3.6 Expiratory port (of a circle absorber or ventilator)
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3.7 Flow-direction- sensitive component
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3.8 Fresh (common) gas outlet
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3.9 Fresh gas inlet connector
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3.10 Fresh gas supply tube
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3.11 Inhalation anaesthesia apparatus (includes gas machine and anaesthetic machine)
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3.12 Inspiratory port (of a circle absorber or ventilator)
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3.13 Non-rebreathing valve
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3.14 Patient connection port
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3.15 Receiving system
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3.16 Reservoir bag port
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3.17 Transfer system
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4 MATERIALS FOR RIGID COMPONENTS FOR BREATHING ATTACHMENTS
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5 ELECTRICAL CONDUCTIVITY
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6 STERILIZATION
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7 CONICAL FITTINGS MADE OF RIGID MATERIAL
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7.1 Rigid conical fittings of 15 mm size
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7.2 Rigid conical fittings of 19 mm size
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7.3 Rigid conical fittings of 22 mm size
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7.4 Rigid conical fittings of 23 mm size
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7.5 Rigid conical fittings of 30 mm size
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8 CONICAL FITTINGS MADE OF SEMI-RIGID PLASTICS MATERIAL EXCLUDING ELASTOMERS
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9 SOCKETS MADE OF ELASTOMERIC MATERIAL
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10 CONNECTIONS FOR RESERVOIR BAG PORT, RESERVOIR BAG AND CORRUGATED TUBING
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10.1 General characteristics
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10.2 Retention fitting
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10.3 Reservoir bag tubing
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10.4 Colour coding
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11 SIZE AND SEQUENCE OF CONICAL FITTINGS FOR ADULT USE
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11.1 Breathing system connections
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11.2 Face mask fitting
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11.3 Tracheal tube connectors
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11.4 Fittings for flow- direction-sensitive components
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11.5 Inspiratory and expiratory ports
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12 FITTINGS CONNECTING ANAESTHETIC VENTILATOR, PATIENT AND HUMIDIFIER
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12.1 General
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12.2 22mm fitting
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12.3 Connections other than 15 mm, 19 mm, 22 mm, 23 mm and 30 mm, sizes (non-standard connections)
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13 SCAVENGING CONNECTIONS
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13.1 Connecting tubing
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13.2 Exhaust outlet
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13.3 Receiving system connection (scavenging)
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14 SIZE AND SEQUENCE OF CONICAL FITTINGS FOR PAEDIATRIC USE
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14.1 General characteristics
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14.2 Breathing system fittings
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15 MARKING OF FLOW-DIRECTION-SENSITIVE COMPONENTS
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15.1 General
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15.2 Components incorporating valves
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15.3 Flow-direction-sensitive equipment other than valves
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15.4 Method of marking
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16 APPLICATION OF SCREW-THREADED, WEIGHT- BEARING FITTINGS
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16.1 General
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16.2 Ports to which a breathing tube may be connected
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16.3 Fittings for unidirectional valves on circle absorbers
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16.4 Design of screw-threaded, weight-bearing fittings
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16.5 High resistance components
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17 CONNECTIONS FOR VAPORIZERS
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18 FRESH-GAS INLET
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APPENDIX A - BREATHING ATTACHMENTS FOR USE WITH ADULTS- SUMMARY OF SIZE AND SEQUENCE OF FITTINGS*
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APPENDIX B - SOME WIDELY USED SYSTEMS INCORPORATING FLOW-DIRECTION-SENSITIVE COMPONENTS
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B1 SCOPE
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B2 GENERAL
Abstract
Specifies basic requirements for breathing attachments for anaesthetic apparatus, including the sequence and dimensions of cone and socket joints (conical fittings) of 15 mm, 19 mm, 22 mm, 23 mm and 30 mm sizes, used for adult and paediatric purposes. Dimensions and form of screw-threaded, weight-bearing connections for use with attachments for anaesthetic apparatus and ventilators are also specified.
Scope
This Standard specifies basic requirements for breathing attachments for anaesthetic apparatus, including the sequence and dimensions of cone and socket joints (conical fittings) of 15 mm, 19 mm, 22 mm, 23 mm and 30 mm sizes, used for adult and paediatric purposes.
A conical fitting of 30 mm size is specified for scavenging. A 23 mm conical fitting is specified for vaporizers and manifold attachments outside the breathing system. The basic requirements for fresh gas inlets to components of breathing systems are also specified.
The Standard also deals with dimensions and form of screw-threaded, weight-bearing connections for use with attachments for anaesthetic apparatus and ventilators.
The 15 mm and 22 mm cones are intended primarily for use with breathing attachments. The 19 mm, 23 mm and 30 mm cones are intended for other applications which are not within the breathing system.
22 mm screw-threaded, weight-bearing connections may be used to produce a more permanent connection between components than that provided by the cone and socket joint. They are particularly designed to allow heavy components to be safely mounted at the outlet from an anaesthetic or breathing machine to the inlet of a breathing system.
General Product Information
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Published
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Document Type
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Standard |
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Status
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Current |
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Publisher
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Standards Australia
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Pages
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ISBN
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Committee
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HE-019 |
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Supersedes
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