{"id":277296,"date":"2024-10-19T18:40:13","date_gmt":"2024-10-19T18:40:13","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-en-7401999\/"},"modified":"2024-10-25T15:09:42","modified_gmt":"2024-10-25T15:09:42","slug":"bs-en-7401999","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-en-7401999\/","title":{"rendered":"BS EN 740:1999"},"content":{"rendered":"

PDF Catalog<\/h4>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
PDF Pages<\/th>\nPDF Title<\/th>\n<\/tr>\n
1<\/td>\nBRITISH STANDARD <\/td>\n<\/tr>\n
2<\/td>\nNational foreword <\/td>\n<\/tr>\n
4<\/td>\nForeword
Foreword to amendment A1
Contents <\/td>\n<\/tr>\n
7<\/td>\nGeneral
1 R: Scope
2 Normative references <\/td>\n<\/tr>\n
9<\/td>\n3 Terminology and definitions
anaesthetic workstation
3.2 R
3.3 R
3.4 R
3.5 R
3.6 R
anaesthetic gas scavenging system; AGSS
gas mixing system <\/td>\n<\/tr>\n
10<\/td>\nmachine gas piping
flow control system
anaesthetic vapour delivery module; vaporizer
pressure regulator
emergency anaesthetic equipment
medical gas supply system
3.15 R
3.16 R
anaesthetic ventilator
fresh\ufffdgas outlet; common gas outlet
anaesthetic gas <\/td>\n<\/tr>\n
11<\/td>\nanaesthetic gas delivery module
enabled condition
draw\ufffdover vaporizer
permanent connection
anaesthetic breathing system
circle system
circle absorption system
circle absorber assembly
fresh\ufffdgas inlet
respiratory gas\ufffdconducting components
transfer system <\/td>\n<\/tr>\n
12<\/td>\ntransfer tube
receiving system
receiving hose
disposal system
power device
AGSS terminal unit
maximum extract flow
minimum extract flow
induced flow
spillage
clearly legible
operator\u2019s position <\/td>\n<\/tr>\n
13<\/td>\n4 General requirements and general requirements for test
4.1 Modifications to EN\ufffd60601\ufffd1:1990, Clause\ufffd3
4.2 Modifications to EN\ufffd60601\ufffd1:1990, Clause\ufffd4
5 Classification
6 Identification, marking and documents <\/td>\n<\/tr>\n
14<\/td>\nSymbols on CO <\/td>\n<\/tr>\n
20<\/td>\n7 Power output <\/td>\n<\/tr>\n
21<\/td>\nEnvironmental conditions
8 Basic safety categories
9 Removable protection means
10 Environmental conditions
10.101 Pneumatic power supply
11 Not used
12 Not used <\/td>\n<\/tr>\n
22<\/td>\nProtection against electrical shock hazards
13 General
14 Requirements related to classification
15 Limitation of voltage and\/or energy
16 Enclosures and protective covers
17 R: Separation
18 Protective earthing, functional earthing and potential equalization
19 Continuous leakage current and patient auxiliary currents
20 Dielectric strength <\/td>\n<\/tr>\n
23<\/td>\nProtection against mechanical hazards
21 Mechanical strength
22 Moving parts
23 Surfaces, corners, and edges
24 Stability in normal use
25 Expelled parts
26 Vibration and noise
27 Pneumatic and hydraulic power
28 Suspended masses <\/td>\n<\/tr>\n
24<\/td>\nProtection against hazards from unwanted or excessive radiation
29 X\ufffdradiation
30 Alpha, beta, gamma, neutron radiation and other particle radiation
31 Microwave radiation
32 Light radiation (including lasers)
33 Infra\ufffdred radiation
34 Ultra\ufffdviolet radiation
35 Acoustical energy (including ultrasonic)
36 Electromagnetic compatibility
36.101 Electromagnetic compatibility
36.102 Electrostatic discharge <\/td>\n<\/tr>\n
25<\/td>\nR: Protection against hazards of ignition of flammable anaesthetic mixtures
37 Locations and basic requirements
37.101 R:
37.102 R:
37.103 R:
38 Marking, accompanying documents
39 Common requirements for category AP and category APG equipment
40 R: Requirements and tests for category AP equipment, parts and components thereof
41 Requirements and tests for category APG equipment, parts and components thereof <\/td>\n<\/tr>\n
26<\/td>\nProtection against excessive temperatures, and other safety hazards
42 Excessive temperatures
43 R: Fire prevention
44 Overflow, spillage, leakage, humidity, ingress of liquids, cleaning, sterilization, disinfecti…
44.3 Add
44.7 Add
47.101 In order to minimize the risk of infection to the patient from respiratory gas conducting …
47.102 If a claim is made in the labelling that a device is sterile, the device shall have been s…
47.103 Non\ufffdsterile device packaging systems shall be designed to maintain products which are inte…
45 Pressure vessels and parts subject to pressure
46 Human errors <\/td>\n<\/tr>\n
27<\/td>\n47 Electrostatic charges
48 R: Materials in applied parts in contact with the body of the patient
49 Interruption of the power supply
49.101 Means shall be provided to prevent inadvertent operation of the \u201coff\u201d switch.
49.102 R: Transient interruptions of the power supply shall not cause a safety hazard. <\/td>\n<\/tr>\n
28<\/td>\nAccuracy of operating data and protection against hazardous output
50 Accuracy of operating data
51 Protection against hazardous output
51.101 The particular requirements of the monitoring and alarm modules apply when the anaesthetic…
51.102 Power failure alarm module <\/td>\n<\/tr>\n
30<\/td>\nEmergency anaesthetic equipment configuration for protection against hazardous output <\/td>\n<\/tr>\n
31<\/td>\n51.103 Oxygen supply failure alarm module
51.104 Oxygen monitor and alarm module
51.104.3 Operating condition
51.105 Anaesthetic gas monitor and alarm module <\/td>\n<\/tr>\n
32<\/td>\n51.106 Airway pressure monitoring and alarm module
51.107 Expired volume monitor and alarm module <\/td>\n<\/tr>\n
33<\/td>\n51.108 Anaesthetic breathing system integrity (disconnect) alarm module
51.109 Carbon dioxide monitor and alarm module
51.110 Protection module for cut-off of gases other than oxygen <\/td>\n<\/tr>\n
34<\/td>\n51.111 Anaesthetic gas scavenging system
51.112 Maximum airway pressure protection module
51.113 Adjustable airway pressure limitation protection module
51.114 Alarm signals <\/td>\n<\/tr>\n
35<\/td>\n51.115 Emergency anaesthetic equipment
51.116 R: Operating condition for monitoring and alarm modules <\/td>\n<\/tr>\n
36<\/td>\nAbnormal condition and fault conditions environmental tests
52 Abnormal operation and fault conditions
53 Environmental tests
Constructional requirements
54 R: General
55 Enclosures and covers
56 Components and general assembly <\/td>\n<\/tr>\n
37<\/td>\n57 Mains parts, components and layout
Pull forces for testing detachable cords
58 Protective earthing \u2014 terminals and connections
59 Construction and layout <\/td>\n<\/tr>\n
38<\/td>\nAdditional requirements specific to anaesthetic workstations
101 Gas supply pressure monitors
101.1 If a gas is supplied at cylinder pressure to the anaesthetic workstation means shall be pro…
101.2 The maximum error of all monitoring devices shall not exceed \u00b1(4 % of the full scale readin…
101.3 Test for compliance with
102 Pressure regulators
103 Machine gas piping
103.1 Machine gas piping shall withstand without rupture a pressure of at least twice its maximum…
103.2 The machine gas piping shall be designed and manufactured to minimize health risks by reduc…
103.3 R: <\/td>\n<\/tr>\n
39<\/td>\n104 Anaesthetic gas delivery module
104.1 General requirement for anaesthetic gas delivery modules <\/td>\n<\/tr>\n
40<\/td>\n104.2 Flow control systems
Profile of oxygen flow control knob for applications other than anaesthetic vapour delivery syste… <\/td>\n<\/tr>\n
41<\/td>\n104.3 Flowmeters and flow calibration
104.4 Oxygen flush <\/td>\n<\/tr>\n
42<\/td>\n104.5 Gas mixing system
105 Anaesthetic vapour delivery module
105.1 General requirements
105.2 Concentration-calibrated anaesthetic vapour delivery modules <\/td>\n<\/tr>\n
43<\/td>\n106 Respiratory gas conducting components <\/td>\n<\/tr>\n
44<\/td>\n107 Anaesthetic breathing systems
107.1 General
107.2 Connectors <\/td>\n<\/tr>\n
45<\/td>\n107.3 Electrical conductivity
107.4 Anaesthetic breathing systems supplied complete or assembled in accordance with the manufac…
107.5 APL valves <\/td>\n<\/tr>\n
46<\/td>\n107.6 Carbon dioxide absorbers and circle absorber assemblies
107.7 Unidirectional valves <\/td>\n<\/tr>\n
47<\/td>\n107.8 Fresh-gas inlet
Screw-threaded fresh-gas connector
107.9 Microbial breathing filters
107.10 Breathing tubes and reservoir bags
107.11 Fresh-gas tubes <\/td>\n<\/tr>\n
48<\/td>\n108 Heat and moisture exchangers
109 Humidifiers
110 Suction equipment
111 Anaesthetic gas scavenging system (AGSS)
111.1 Patient protection requirements
111.2 R: <\/td>\n<\/tr>\n
49<\/td>\nQuick connector for fresh gas <\/td>\n<\/tr>\n
50<\/td>\nAdditional measurements for quick connector for fresh gas <\/td>\n<\/tr>\n
51<\/td>\n111.3 Transfer systems
111.4 Receiving systems <\/td>\n<\/tr>\n
52<\/td>\n111.5 Connectors on AGSS systems
112 Anaesthetic ventilator modules <\/td>\n<\/tr>\n
53<\/td>\nFresh-gas inlet nipple <\/td>\n<\/tr>\n
54<\/td>\nSchematic diagram of typical AGSS connections <\/td>\n<\/tr>\n
55<\/td>\n(normative) R: Test of anaesthetic agents for non-flammability
(normative) R: Test of anaesthetic agents for non-flammability
R: Spark ignition tests
Surface temperature ignition tests <\/td>\n<\/tr>\n
56<\/td>\n(informative) Rationale
(informative) Rationale
The purpose of this European Standard is to establish requirements for anaesthetic workstations w…
The definition of the applied part in this European Standard is the base for clarification of req…
Module
Actuator module <\/td>\n<\/tr>\n
57<\/td>\nMonitoring module
Alarm module
Protection module
[
[3.6bb)] A fault which is not detected can exist for a long time. Under those circumstances it is… <\/td>\n<\/tr>\n
62<\/td>\nOverview of maximum workplace concentration limits
Results of ignition tests on anaesthetic agents <\/td>\n<\/tr>\n
63<\/td>\n(normative) Applicable requirement clauses for separate modules of an anaesthetic workstation
(normative) Applicable requirement clauses for separate modules of an anaesthetic workstation <\/td>\n<\/tr>\n
64<\/td>\n(normative) Test method for expired volume monitors
(normative) Test method for expired volume monitors
Apparatus
Procedure
Test parameters for expired volume monitors <\/td>\n<\/tr>\n
65<\/td>\nTest of measurement devices for expiratory volume <\/td>\n<\/tr>\n
66<\/td>\n(normative) Test method for accuracy of anaesthetic vapour delivery modules without applied back …
(normative) Test method for accuracy of anaesthetic vapour delivery modules without applied back …
General
Test the anaesthetic vapour delivery module with the anaesthetic breathing system and, if applica…
Use the carrier gas recommended by the manufacturer [see
Procedure
Fit the anaesthetic vapour delivery module in position on the anaesthetic workstation.
Place the anaesthetic vapour delivery module and anaesthetic agent in the test room for at least\ufffd…
Set the anaesthetic vapour delivery module to the \u201con\u201d position at the maximum concentration sett…
Fill the anaesthetic vapour delivery module with the appropriate anaesthetic agent to approximate…
Connect a vapour analyzer to the outlet of the anaesthetic vapour delivery module or, if applicab…
For an anaesthetic workstation in which the fresh-gas flow is determined by the anaesthetic venti…
Repeat the procedure described in
Repeat the sequence of measurements described in
Repeat the sequence of measurements given in <\/td>\n<\/tr>\n
67<\/td>\nSettings to be used for testing the accuracy of anaesthetic vapour delivery\ufffdmodules
(normative) Test method for anaesthetic vapour delivery module accuracy with applied back pressure
(normative) Test method for anaesthetic vapour delivery module accuracy with applied back pressure
General
Test the anaesthetic vapour delivery module with the anaesthetic breathing system and, if applica…
Use the carrier gas and gas flow recommended by the manufacturer. [See
Procedure
Fit the anaesthetic vapour delivery module in position on the anaesthetic workstation.
Place the anaesthetic vapour delivery module and anaesthetic agent in the test room for at least\ufffd…
Set the anaesthetic vapour delivery module to the \u201con\u201d position at the maximum concentration sett…
Fill the anaesthetic vapour delivery module with the appropriate anaesthetic agent to approximate…
Connect a vapour analyzer to the outlet of the anaesthetic vapour delivery module or, if applicab…
Introduce a pressure fluctuation at the fresh-gas outlet of (2 \u00b1 0,3 kPa. <\/td>\n<\/tr>\n
68<\/td>\nSet the anaesthetic vapour delivery module to deliver either 20 % of its maximum concentration se…
Repeat the procedure using a fresh-gas flow of (8 \u00b1 0,8) l\/min and a pressure fluctuation at the …
For interchangeable anaesthetic vapour delivery modules repeat the procedure using a fresh-gas fl…
For interchangeable anaesthetic vapour delivery modules repeat the procedure of
For non-interchangeable anaesthetic vapour delivery modules activate the oxygen flush ten times f…
(normative) Test methods for anaesthetic breathing systems and breathing attachments
(normative) Test methods for anaesthetic breathing systems and breathing attachments
General
In routine testing, some manufacturers use alternative methods that give comparable results but i…
The ambient temperature for the duration of each test shall be between 20 \u00b0C and 25 \u00b0C, except wh…
The accuracy of the equipment used to carry out measurements shall be \u00b15 % of the variable to be …
Leakage from complete anaesthetic breathing systems
Apparatus
Procedure <\/td>\n<\/tr>\n
69<\/td>\nExpiratory and inspiratory resistance of a complete anaesthetic breathing system
Expiratory resistance
Inspiratory resistance
Resistance to flow of APL valves
Apparatus
Procedure <\/td>\n<\/tr>\n
70<\/td>\nResistance to flow of APL valves: arrangement for test
Leakage from APL valves
Apparatus
Procedure
Expiratory resistance of an absorber assembly
Apparatus
Procedure <\/td>\n<\/tr>\n
71<\/td>\nInspiratory resistance of an absorber assembly
Apparatus
Procedure
Resistance to flow of unidirectional valves
Apparatus
Procedure
Leakage from APL valves: arrangement for test <\/td>\n<\/tr>\n
72<\/td>\nReverse flow through and dislocation of unidirectional valves
Apparatus
Procedure
Opening pressure of unidirectional valves
Apparatus
Procedure
Leakage from a circle absorber assembly
Apparatus
Procedure <\/td>\n<\/tr>\n
73<\/td>\nReverse flow through unidirectional valves: arrangement for test <\/td>\n<\/tr>\n
74<\/td>\nArrangement of apparatus to test for opening pressure of unidirectional\ufffdvalves
Resistance to flow of unidirectional valves
Apparatus
Procedure <\/td>\n<\/tr>\n
75<\/td>\nOpening pressure of unidirectional valves
Apparatus
Procedure
(normative) Colour coding of anaesthetic vapour delivery modules
(normative) Colour coding of anaesthetic vapour delivery modules
(normative) Test methods for resistance to flow of the receiving system
(normative) Test methods for resistance to flow of the receiving system
Apparatus
A differential pressure-measuring device
A flow-measuring device
An adjustable power device
Adapter with a type 1 terminal unit socket
Procedure
Assemble the test apparatus as shown in
Connect the receiving system to the adapter.
Adjust the power device again to a flow of 25 l\/min. Record the pressure.
Calculate the resistance of the receiving system by subtracting the pressure measured in
Disconnect the receiving system from the adapter and repeat the test procedure described in <\/td>\n<\/tr>\n
76<\/td>\nTest assembly for measuring the resistance to flow of the receiving system
(normative) Test method for flow and resistance of AGSS
(normative) Test method for flow and resistance of AGSS
Apparatus
A flow-measuring device
A pressure-measuring device
Procedure
Set up the test apparatus and AGSS as shown in
Adjust the air flow to 30 l\/min and record the pressure.
Adjust the air flow to 75 l\/min and record the pressure.
Connect the inlet of the AGSS or the patient connection port at X-X in
Turn on the power device.
Adjust the air flow to 30 l\/min, record the pressure and subtract it from the pressure recorded in\ufffd
Adjust the air flow to 75 l\/min, record the pressure and subtract it from the pressure recorded in\ufffd
Turn off the power device.
Repeat <\/td>\n<\/tr>\n
77<\/td>\nTest for flow and resistance of AGSS with means of pressure relief integrated\ufffdor attached <\/td>\n<\/tr>\n
78<\/td>\nTest for flow and resistance of AGSS with a means of pressure relief integrated in the breathing …
(normative) Test method for transfer systems
(normative) Test method for transfer systems
Apparatus
A flow-measuring device
A pressure-measuring device
Test procedure for a transfer system that has a 30 mm female conical inlet connector
Set up the test apparatus and AGSS as shown in
Adjust a flow of 30 l\/min of air and record the pressure.
Connect the AGSS at X-X in
If applicable, apply force to the transfer tube as shown in
Adjust the air flow to 30 l\/min and allow steady state conditions to be achieved.
Record the pressure and subtract the pressure measured in
Disconnect the AGSS at X-X in
Repeat the test procedure described from <\/td>\n<\/tr>\n
79<\/td>\nTest procedure for a transfer system that has a proprietary inlet connector
Set up the test apparatus and AGSS as shown in
Adjust a flow of 30 l\/min of air and record the pressure.
Connect the AGSS at X-X in
If applicable, apply force to the transfer tube as shown in
Adjust the air flow to 30 l\/min and allow steady state conditions to be achieved.
Record the pressure and subtract the pressure measured in
Disconnect the AGSS at X-X in
Repeat the test procedure described from
Method of test for means of pressure relief integrated in or attached to\ufffdan\ufffdAGSS <\/td>\n<\/tr>\n
80<\/td>\nOcclusion of AGSS transfer hose: arrangement for test <\/td>\n<\/tr>\n
81<\/td>\nMethod of test for means of pressure relief integrated in the anaesthetic breathing system
(normative) Test method for induced flow and sub-atmospheric pressure of AGSS
(normative) Test method for induced flow and sub-atmospheric pressure of AGSS
Induced flow
Apparatus
Procedure
Sub-atmospheric pressure
Apparatus
Procedure <\/td>\n<\/tr>\n
82<\/td>\nExample of flow-metering device for induced flow <\/td>\n<\/tr>\n
83<\/td>\n(normative) Test method for spillage from the transfer and receiving systems
(normative) Test method for spillage from the transfer and receiving systems
Apparatus
Calibration procedure
Test flow pattern
Test procedure
Calculation of results <\/td>\n<\/tr>\n
84<\/td>\nSpillage from the transfer and receiving systems of AGSS arrangement for test
Test flow pattern for AGSS <\/td>\n<\/tr>\n
85<\/td>\n(informative) Guidelines for situations in which AGSS are used with flammable anaesthetic gases a…
(informative) Guidelines for situations in which AGSS are used with flammable anaesthetic gases a…
The \u201czone of risk\u201d associated with flammable anaesthetic gases and volatile agents has been recog…
If the AGSS is marked as being suitable for use with flammable anaesthetics, it can be used for s…
If the AGSS is installed within a boom or pendant fitting, for example with other medical gas ter…
There should be electrical continuity between the receiving system and the anaesthetic workstation.
(normative) Ergonomics and symbols
(normative) Ergonomics and symbols
General requirements and conditions
Visual indicators and their associated markings and warnings integral to the anaesthetic workstat…
Place the test operator in the operator\u2019s position at a distance of 500 mm from the anaesthetic w…
Visual indicators integral to the anaesthetic workstation, e.g. for breathing circuit integrity, …
R: <\/td>\n<\/tr>\n
86<\/td>\nHigh and medium priority indicators shall be clearly legible when tested in accordance with
R:
(normative) Method of test for draw-over vaporizers used with emergency anaesthetic equipment
(normative) Method of test for draw-over vaporizers used with emergency anaesthetic equipment
General
Test the emergency anaesthetic equipment with the draw-over vaporizer, anaesthetic breathing syst…
Use the carrier gas recommended by the manufacturer, [see
Procedure
Connect the draw-over vaporizer to the non-rebreathing system which is required to prevent revers…
Place the emergency anaesthetic equipment and anaesthetic agent in the test room for at least 3 h…
Set the draw-over vaporizer to the \u201con\u201d position at the maximum concentration setting. Operate th…
Fill the draw-over vaporizer with the appropriate anaesthetic agent to approximately halfway betw…
Either: <\/td>\n<\/tr>\n
87<\/td>\nRepeat the procedure described in
For the sequence of measurements described in
(informative) Bibliography
(informative) Bibliography <\/td>\n<\/tr>\n
88<\/td>\n(normative) Special national conditions
(normative) Special national conditions <\/td>\n<\/tr>\n
89<\/td>\n(informative) Clauses of this European Standard addressing essential requirements or other provis…
(informative) Clauses of this European Standard addressing essential requirements or other provis…
Correspondence between this European Standard and EU Directives <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

Anaesthetic workstations and their modules. Particular requirements<\/b><\/p>\n\n\n\n\n
Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
BSI<\/b><\/a><\/td>\n2001<\/td>\n94<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":277302,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[137,2641],"product_tag":[],"class_list":{"0":"post-277296","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-11-040-10","7":"product_cat-bsi","9":"first","10":"instock","11":"sold-individually","12":"shipping-taxable","13":"purchasable","14":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/277296","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media\/277302"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=277296"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=277296"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=277296"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}