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1、 Reference numberISO 9168:2009(E)ISO 2009 INTERNATIONAL STANDARD ISO9168Third edition2009-07-15Dentistry Hose connectors for air driven dental handpieces Art dentaire Connexions pour pices main dentaires air comprim ISO 9168:2009(E)PDF disclaimer This PDF file may contain embedded typefaces.In accor
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4、ry care has been taken to ensure that the file is suitable for use by ISO member bodies.In the unlikely event that a problem relating to it is found,please inform the Central Secretariat at the address given below.COPYRIGHT PROTECTED DOCUMENT ISO 2009 All rights reserved.Unless otherwise specified,n
5、o part of this publication may be reproduced or utilized in any form or by any means,electronic or mechanical,including photocopying and microfilm,without permission in writing from either ISO at the address below or ISOs member body in the country of the requester.ISO copyright office Case postale
6、56 CH-1211 Geneva 20 Tel.+41 22 749 01 11 Fax +41 22 749 09 47 E-mail copyrightiso.org Web www.iso.org Published in Switzerland ii ISO 2009 All rights reserved ISO 9168:2009(E)ISO 2009 All rights reserved iiiForeword ISO(the International Organization for Standardization)is a worldwide federation of
7、 national standards bodies(ISO member bodies).The work of preparing International Standards is normally carried out through ISO technical committees.Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee.Interna
8、tional organizations,governmental and non-governmental,in liaison with ISO,also take part in the work.ISO collaborates closely with the International Electrotechnical Commission(IEC)on all matters of electrotechnical standardization.International Standards are drafted in accordance with the rules gi
9、ven in the ISO/IEC Directives,Part 2.The main task of technical committees is to prepare International Standards.Draft International Standards adopted by the technical committees are circulated to the member bodies for voting.Publication as an International Standard requires approval by at least 75%
10、of the member bodies casting a vote.Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights.ISO shall not be held responsible for identifying any or all such patent rights.ISO 9168 was prepared by Technical Committee ISO/TC 106,Dentistry,S
11、ubcommittee SC 4,Dental instruments.This third edition cancels and replaces the second edition(ISO 9168:1991),which has been technically revised.The following changes were made:a)requirement resistance to sterilization has been replaced by reprocessing requirement;b)language-independent figures;c)in
12、troduction of definition for“hose connector”and updated references and Bibliography.INTERNATIONAL STANDARD ISO 9168:2009(E)ISO 2009 All rights reserved 1Dentistry Hose connectors for air driven dental handpieces 1 Scope This International Standard is applicable for achieving reliable interchangeabil
13、ity between hoses from dental units and dental handpieces.This International Standard specifies four types of hose connector for use between air driven dental handpieces and the flexible hoses of the dental unit which supply the handpieces with water,air and light,and provide for exhaust.2 Normative
14、 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 latest edition of the referenced document(including any amendments)applies.ISO 261,ISO general purpose metric screw thr
15、eads General plan ISO 1942,Dentistry Vocabulary ISO 7494-1,Dentistry Dental units Part 1:General requirements and test methods 3 Terms and definitions For the purposes of this document,the terms and definitions given in ISO 1942 and the following apply.3.1 hose connector connector at the dental hand
16、piece to enable one to connect the hose with the handpiece 4 Classification For the purpose of this International Standard,hose connectors for air driven dental handpieces are classified into the following four types:Type 1:connector with two or three outlets and connection thread 9/16 40 UNS;Type 2
17、:connector with four or five outlets and connection thread 0,555 36 UNS;Type 3:connector with four outlets and electrical contacts and connection thread 0,555 36 UNS;Type 4:connector with three outlets and connection thread M12 0,5,in accordance with ISO 261.ISO 9168:2009(E)2 ISO 2009 All rights res
18、erved 5 Requirements 5.1 General Hose connectors for air driven dental handpieces are specific parts of dental handpieces.Requirements for dental handpieces are specified in the relevant product standards.NOTE Relevant product standards for dental handpieces are e.g.ISO 7785-1,ISO 13294 and ISO 1560
19、6.5.2 Dimensions The dimensions,the outlet configuration and the use of the outlets shall be as specified in Figure 1,Figure 2,Figure 3 and Figure 4.The thread characteristics for Type 1,Type 2 and Type 3 shall be as specified in Table 1.The thread characteristics for Type 4(M12 0,5)shall be in acco
20、rdance with ISO 261.Testing shall be carried out in accordance with 7.1.5.3 Resistance to reprocessing Hose connectors shall be capable of withstanding a minimum of 250 reprocessing cycles as defined in the manufacturers instructions for use without deterioration in appearance or performance.Quick c
21、onnectors with and without lights supply,which are not permanently fixed to the instrument,shall be capable of withstanding the reprocessing procedure as given in the manufacturers instructions.In this case the requirements of ISO 7494-1 are applicable.Testing shall be carried out in accordance with
22、 7.2.ISO 9168:2009(E)ISO 2009 All rights reserved 3Dimensions in millimetres a)Handpiece part b)Hose part Key 1 water 2 drive air 3 spray air 4 gasket 5 nut a See Table 1 for thread characteristics.Figure 1 Type 1 connector ISO 9168:2009(E)4 ISO 2009 All rights reserved Dimensions in millimetres a)H
23、andpiece part b)Hose part Key 1 water 4 gasket 7 fibre optic 2 drive air 5 nut 3 spray air 6 exhaust a See Table 1 for thread characteristics.Figure 2 Type 2 connector ISO 9168:2009(E)ISO 2009 All rights reserved 5Dimensions in millimetres a)Handpiece part Figure 3 Type 3 connector(continued)ISO 916
24、8:2009(E)6 ISO 2009 All rights reserved b)Hose part Key 1 water 2 drive air 3 spray air 4 gasket 5 nut 6 exhaust 7 electrical contacts a See Table 1 for thread characteristics.Figure 3 Type 3 connector ISO 9168:2009(E)ISO 2009 All rights reserved 7Dimensions in millimetres a)handpiece part b)Hose pa
25、rt Key 1 water 2 drive air 3 exhaust 4 gasket 5 nut Figure 4 Type 4 connector ISO 9168:2009(E)8 ISO 2009 All rights reserved 6 Sampling One representative sample of the hose connector types shall be selected for the test.Table 1 Thread characteristics Unless otherwise specified,dimensions in millime
26、tres Dimensions of single-start right-hand thread for Thread characteristics Type 1 Type 2 and Type 3 Thread designationa 9/16 40 UNS 0,555 36 UNS Pitch 0,635 0,706 Thread angle 60 60 max.14,379 14,198 Internal thread min.14,287 14,097 max.14,262 14,071 Major diameter External thread min.14,133 13,9
27、32 Basic major diameter 14,287 14,097 max.13,980 13,777 Internal thread min.13,876 13,640 max.13,851 13,614 Pitch diameter External thread min.13,769 13,530 Basic pitch diameter 13,876 13,640 max.13,767 13,512 Internal thread min.13,589 13,335 max.13,482 13,208 Minor diameter External thread min.13,
28、437 13,157 a The screw threads 9/16 40 UNS and 0,555 36 UNS used for the connectors are based on ANSI B1.1.The diameter/pitch combinations specified in this International Standard are not,however,included in ANSI B1.1;the necessary thread characteristics are therefore specified in this table.7 Test
29、methods 7.1 Dimensions Using measuring devices such as a gauge,dial indicator,etc.with an accuracy of 0,01 mm for linear dimensions or 1 for angles,measure and record the dimensions shown in Figures 1,2,3 and 4.7.2 Resistance to reprocessing Subject the test pieces to 250 reprocessing cycles using t
30、he parameters defined by the manufacturer in the instructions for use.After the final sterilization cycle,inspect the sterilized items visually.There shall be no visible signs of deterioration or corrosion.Submit the sterilized items to the test procedures specified in 5.3.All requirements shall be
31、met.ISO 9168:2009(E)ISO 2009 All rights reserved 9Annex A(informative)Performance and general design A.1 General Hose connectors should be comfortable for the operator to use and easy to manipulate.The outside surface of the hose connectors should be easy to clean and particular attention should be
32、given to providing secure gripping surfaces for operator manipulation.In order to reduce glare,highly polished surfaces should be avoided.A.2 Construction and layout The construction of hose connectors should provide for their safe and reliable operation.If field-repairable,the hose connectors shoul
33、d be capable of being easily disassembled and reassembled for maintenance and repair utilizing either readily available tools or special tools supplied by the manufacturer.ISO 9168:2009(E)10 ISO 2009 All rights reserved Bibliography 1 ISO 7785-1,Dental handpieces Part 1:High-speed air turbine handpi
34、eces 2 ISO 13294,Dental handpieces Dental air-motors 3 ISO 13402,Surgical and dental hand instruments Determination of resistance against autoclaving,corrosion and thermal exposure 4 ISO 15606,Dental handpieces Air-powered scalers and scaler tips 5 ISO 17664,Sterilization of medical devices Information to be provided by the manufacturer for the reprocessing of resterilizable medical devices 6 ANSI B1.1,Unified Inch Screw Threads(UN and UNR Thread Form)ISO 9168:2009(E)ICS 11.060.20 Price based on 10 pages ISO 2009 All rights reserved