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1、BRITISH STANDARD BS 8447:2005 Anaesthetic and respiratory equipment Hook-on fittings for the attachment of vaporizers to an anaesthetic gas delivery device ICS 11.040.10 ? Licensed Copy: London South Bank University, London South Bank University, Fri Dec 08 00:58:12 GMT+00:00 2006, Uncontrolled Copy
2、, (c) BSI BS 8447:2005 This British Standard was published under the authority of the Standards Policy and Strategy Committee on 29 June 2005 BSI 29 June 2005 The following BSI references relate to the work on this standard: Committee reference CH/121/1 Draft for comment DC 04/30025858 ISBN 0 580 46
3、338 9 Committees responsible for this British Standard The preparation of this British Standard was entrusted to Technical Committee CH/121, Anaesthetic and respiratory equipment, to Subcommitteee CH/121/1, Breathing attachments and anaesthetic machines, upon which the following bodies were represen
4、ted: Association of Anaesthetists of Great Britain and Ireland Trade Association for Anaesthetic and Respiratory Equipment (BAREMA) Guild of Healthcare Pharmacists Institution of Mechanical Engineers Institute of Physics and Engineering in Medicine Medicines and Healthcare Products Regulatory Agency
5、 Royal College of Anaesthetists Co-opted members Amendments issued since publication Amd. No.DateText affected Licensed Copy: London South Bank University, London South Bank University, Fri Dec 08 00:58:12 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 8447:2005 BSI 29 June 2005 iii Contents Page Com
6、mittees responsibleInside front cover Forewordiv 1Scope 1 2Normative references 1 3Terms and definitions 1 4Dimensions for hook-on vaporizer fittings and interlocking pins 1 Bibliography 6 Figure 1 Dimensions of Type A fittings on the anaesthetic gas delivery device 2 Figure 2 Dimensions of Type A v
7、aporizer manifold fittings 3 Figure 3 Dimensions of Type B fittings on the anaesthetic gas delivery device 4 Figure 4 Dimensions of Type B vaporizer manifold fittings 5 Licensed Copy: London South Bank University, London South Bank University, Fri Dec 08 00:58:12 GMT+00:00 2006, Uncontrolled Copy, (
8、c) BSI BS 8447:2005 iv BSI 29 June 2005 Foreword This British Standard has been prepared by Subcommittee CH/121/1. This British Standard specifies dimensions and tolerances for hook-on fittings for manufacturers to produce such devices to consistent dimensions, to enable safe interchangeability with
9、in each type and to minimize leakage of anaesthetic agent. Requirements for the performance of the connection between vaporizers and anaesthetic gas delivery devices are given in BS EN 740. This publication does not purport to include all the necessary provisions of a contract. Users are responsbile
10、 for its correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, pages i to iv, pages 1 to 6 and a back cover. The BSI copyright notice displayed in this document
11、 indicates when the document was last issued. Licensed Copy: London South Bank University, London South Bank University, Fri Dec 08 00:58:12 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 8447:2005 BSI 29 June 2005 1 1 Scope This British Standard specifies dimensions for two types of hook-on fitting,
12、 including interlocking pins, for use in connecting vaporizers to anaesthetic gas delivery devices. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the late
13、st edition of the referenced document (including any amendments) applies. BS EN ISO 4135, Anaesthetic and respiratory equipment Vocabulary. 3 Terms and definitions For the purposes of this British Standard the definitions given in BS EN ISO 4135 apply, together with the following. 3.1 hook-on fittin
14、g specific interface between a vaporizer and an anaesthetic gas delivery device that allows the removal of a vaporizer from its position of use without the use of tools 3.2 interlocking pin pin that is activated when a vaporizer is turned on and prevents any adjacent vaporizers being turned on simul
15、taneously 4 Dimensions for hook-on vaporizer fittings and interlocking pins 4.1 Type A The dimensions of hook-on fittings of type A shall be in accordance with Figure 1 and Figure 2. The female part of the spring fastener (item 1, Figure 1) shall be set along the centre line of the bore and shall be
16、 7 mm in diameter with a specification of DZUS1) s-spring s4-200. The male part of the spring fastener (item 6, Figure 2) shall be a DZUS1) standard size 4 cam profile. The “O” ring (item 2, Figure 1) shall have an inside diameter of 14 mm, a cross-sectional area of 2.62 mm2 and a shore hardness of
17、40 to 50, and shall be made of nitrate, viton or neoprene. The pin hole (item 7, Figure 2) for the locating pin (item 3, Figure 1) shall have a diameter of 8 mm and a depth of 7 mm. 4.2 Type B The dimensions of hook-on fittings of type B shall be in accordance with Figure 3 and Figure 4. The locking
18、 pin (item 5, Figure 3) shall be 50 mm long in its “unlocked” position. The sprung shaft (item 1, Figure 4) shall latch with the locking clip (item 3, Figure 3). . 1) DZUS is a trade mark owned by DZUS Fasteners, Farnham Trading Estate, Farnham, Surrey GU9 9PL. This information is given for the conv
19、enience of users of this standard and does not constitute an endorsement by BSI of the product named. Equivalent products may be used if they can be shown to lead to the same results. Licensed Copy: London South Bank University, London South Bank University, Fri Dec 08 00:58:12 GMT+00:00 2006, Uncon
20、trolled Copy, (c) BSI BS 8447:2005 2 BSI 29 June 2005 Dimensions in millimetres a) Plan view b) Front view c) Sectional view through spring fastener and dimensions to second position Key 1 Spring fastener4 Spacer button6 To second position 2 “O” ring5 Section through spring fastener7 Height of vapor
21、izer pin 3 Locating pin Figure 1 Dimensions of Type A fittings on the anaesthetic gas delivery device 38.65 70.1 11.5 8 2.8 3.2 69.9 28 38.35 24.2 23.8 25.1 20 16.55 1 2 4 3 2 3 5 4 15.6 15.4 27.0 28.0 14.2 13.5 14.3 2 3 4 2 50.3 49.7 (9) (9) 22 2 5 6 1 7 Licensed Copy: London South Bank University,
22、 London South Bank University, Fri Dec 08 00:58:12 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 8447:2005 BSI 29 June 2005 3 Dimenions in millimetres a) Front view b) Plan view c) Sectional view Key 1 Vaporizer on3 Interlocking pin5 Front face7 Locating pin hole 2 Vaporizer off4 Chamfer optional6 S
23、pring fastener Figure 2 Dimensions of Type A vaporizer manifold fittings 64.5 9.3 127 2 x 45 125 62.5 120 8.7 1 2 2 5 6 4 33 15.3 6 14.7 7 6 3 3 11 1.8 1.6 22.0 16.1 5.5 15.9 10 9 6 22.5 Licensed Copy: London South Bank University, London South Bank University, Fri Dec 08 00:58:12 GMT+00:00 2006, Un
24、controlled Copy, (c) BSI BS 8447:2005 4 BSI 29 June 2005 Dimensions in millimetres a) Plan and side view b) Front view Sectional view through AA Key 1 Edge of machine3 Locking clip5 Locking pin 2 Outlet pin4 Inlet pin6 Vaporizer body Figure 3 Dimensions of Type B fittings on the anaesthetic gas deli
25、very device 8.0 100.0 70.0 70.0 74.9 52.1 80.0 15.0 26 51.9 1 2 4 2 4 5 3 6 30.0 15.5 2.0 14.8 AA 41.3 20.0 53.7 2 4 2 4 B B A - A Licensed Copy: London South Bank University, London South Bank University, Fri Dec 08 00:58:12 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 8447:2005 BSI 29 June 2005 5
26、 Dimensions in millimetres a) Front view b) Plan view Sectional view through AA Key 1 Sprung shaft Figure 4 Dimensions of Type B vaporizer manifold fittings A 33.0 16.5 A 12.0 1.5 10.0 (2.0) 8.0 7.5 5.5 5.0 B 1 16.1 15.9 22.1 21.9 3.3 B A - A Licensed Copy: London South Bank University, London South
27、 Bank University, Fri Dec 08 00:58:12 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 8447:2005 6 BSI 29 June 2005 Bibliography BS EN 740:1999, Anaesthetic workstations and their modules Particular requirements. Licensed Copy: London South Bank University, London South Bank University, Fri Dec 08 00:5
28、8:12 GMT+00:00 2006, Uncontrolled Copy, (c) BSI blank Licensed Copy: London South Bank University, London South Bank University, Fri Dec 08 00:58:12 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 8447:2005 BSI 389 Chiswick High Road London W4 4AL BSI British Standards Institution BSI is the independe
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