ISO INTERNATIONAL STANDARD 9168 Third edition 2009-07-15 Dentistry Hose connectors for air driven dental handpieces Art dentaire - C Connexions pour pieces a main dentaires a air comprime Reference number ISO 9168:2009(E) @ ISO 2009 ISO 9168:2009(E) Foreword IsO (the International Organization for Standardization) is a worldwide federation of 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 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 given in the ISO/lEC 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 % of the member bodies casting a vote. 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, Subcommittee SC 4, Dental instruments. This third edition cancels and replaces the second edition (sO 9168:1991), which has been technically revised. The following changes were made: b) language-independent figures; ili INTERNATIONAL STANDARD ISO 9168:2009(E) Dentistry Hose connectors for air driven dental handpieces Scope This International Standard is applicable for achieving reliable interchangeability between hoses from dental unitsanddentalhandpieces. ThisInternational Standard specifies four types of hose connectorfor usebetween air drivendental handpieces and the flexible hoses of the dental unit which supply the handpieces with water, air and light, and provide for exhaust. 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 latest edition of the referenced document (including any amendments) applies. Iso 261, /sO general purpose metric screw threads - General plan ISO 1942, Dentistry — Vocabulary IsO 7494-1, Dentistry - Dental units — Part 1: General requirements and test methods 3Terms 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 handpiece to enable one to connect the hose with the handpiece 4Classification 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: 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.