1、| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BRITISH STANDARD BS EN ISO 15087-3:2000 Th
2、e European Standard EN ISO 15087-3:2000 has the status of a British Standard ICS 11.060.20 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW Dental elevators Part 3: Cryer elevatorsThis British Standard, having been prepared under the direction of the Health and Environment Sect
3、or Committee, was published under the authority of the Standards Committee and comes into effect on 15 August 2000 BSI 08-2000 ISBN 0 580 36021 0 BS EN ISO 15087-3:2000 Amendments issued since publication Amd. No. Date Comments National foreword This British Standard is the official English language
4、 version of EN ISO 15087-3:2000. It is identical with ISO 15087-3:2000. The UK participation in its preparation was entrusted to Technical Committee CH/52, Dental instruments, which has the responsibility to: aid enquirers to understand the text; present to the responsible international/European com
5、mittee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. A list of organizations represented on this committee can be obtained on request to its secretary. Cross-ref
6、erences Attention is drawn to the fact that CEN and CENELEC Standards normally include an annex which lists normative references to international publications with their corresponding European publications. The British Standards which implement international or European publications referred to in t
7、his document may be found in the BSI Standards Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Find” facility of the BSI Standards Electronic Catalogue. A British Standard does not purport to include all the necessary provisions of a contract. Us
8、ers of British Standards are responsible for their 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, the EN ISO title page, the EN ISO foreword page, the IS
9、O title page, pages ii and iii, a blank page, pages 1 to 3, the annex ZA page, an inside back cover and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued.EUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM ENISO150873 May2000 ICS11.060.20 Englis
10、hversion DentalelevatorsPart3:Cryerelevators(ISO150873:2000) ElvateursdentairesPartie3:ElvateursCryer(ISO 150873:2000) ZahnrztlicheWurzelheberTeil3:CryerWurzelheber (ISO150873:2000) ThisEuropeanStandardwasapprovedbyCENon30April2000. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhic
11、hstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheCentralSecretariatortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(Englis
12、h,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheCentralSecretariathasthesamestatusast heofficial versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, I
13、celand,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandUnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG CentralSecretariat:ruedeStassart,36B1050Brussels 2000CEN Allrightsofexploitationinanyformandbyanymeansrese
14、rved worldwideforCENnationalMembers. Ref.No.ENISO150873:2000EForeword ThetextoftheI nternationalSta ndard ISO 150873: 2000 has beenpre pared by Technical CommitteeISO/ TC10 6 “Dentistry“ inc ollaboration with Technical CommitteeCEN/ TC55 “Dentistry“, thesecre tariatofwhic h ish eld by DIN. ThisEurop
15、 ean Standardshall be given thes tatusofa nationalst andard, either by publication ofani dentical textor by endorsement,att helatest by November2000,a ndcon flicting nationalst andardss hallbewithdr awnatt helatest byN ovember2000. According totheCE N/CENELECInter nalRe gulations, the national stand
16、ardsorga nizations of the followingc ountriesare bound toi mplementt hisEur opean Standard:Aust ria, Belgium, Czech Republic, Denmark,Finla nd,Franc e,Ger many,Greece,I celand, Ireland,Ita ly, Luxembourg,Ne therlands, Norway, Portugal,Sp ain, Sweden,Swi tzerlanda ndt heU nited Kingdom. Endorsementno
17、tice ThetextoftheI nternationalSta ndard ISO 150873: 2000 wasa pproved by CENasa EuropeanS tandard without any modification. NOTE:Nor mativere ferencesto International Standards arelistedina nnexZA (normative). EN ISO 15087-3:2000Referencenumber ISO15087-3:2000(E) INTERNATIONAL STANDARD ISO 15087-3
18、Firstedition 2000-05-01 Dentalelevators Part3: Cryerelevators lvateurs dentaires Partie 3: lvateurs Cryer EN ISO 15087-3:2000ii EN ISO 15087-3:2000 iii Foreword ISO(theInternationalOrganizationforStandardization)isaworldwidefederationofnationalstandardsbodies(ISO memberbodies).TheworkofpreparingInte
19、rnationalStandardsisnormallycarriedoutthroughISOtechnical committees.Eachmemberbodyinterestedinasubjectforwhichatechnicalcommitteehasbeenestablishedhas therighttoberepresentedonthatcommittee.Internationalorganizations,governmentalandnon-governmental,in liaisonwithISO,alsotakepartinthework.ISOcollabo
20、ratescloselywiththeInternationalElectrotechnical Commission(IEC)onallmattersofelectrotechnicalstandardization. InternationalStandardsaredraftedinaccordancewiththerulesgivenintheISO/IECDirectives,Part3. DraftInternationalStandardsadoptedbythetechnicalcommitteesarecirculatedtothememberbodiesforvoting.
21、 PublicationasanInternationalStandardrequiresapprovalbyatleast75%ofthememberbodiescastingavote. AttentionisdrawntothepossibilitythatsomeoftheelementsofthispartofISO15087maybethesubjectofpatent rights.ISOshallnotbeheldresponsibleforidentifyinganyorallsuchpatentrights. InternationalStandardISO15087-3w
22、aspreparedbyTechnicalCommitteeISO/TC106, Dentistry, Subcommittee SC4, Dental instruments. ISO15087consistsofthefollowingparts,underthegeneraltitle Dental elevators: Part 1: General requirements Part 2: Warwick James elevators Part 3: Cryer elevators Part 4: Coupland elevators Part 5: Bein elevators
23、Part 6: Flohr elevators EN ISO 15087-3:2000EN ISO 15087-3:2000 1 Dentalelevators Part3: Cryerelevators 1 Scope ThispartofISO15087givesrequirements,includingdimensions,forCryerdentalelevators. 2 Normativereferences Thefollowingnormativedocumentscontainprovisionswhich,throughreferenceinthistext,consti
24、tuteprovisionsof thispartofISO15087.Fordatedreferences,subsequentamendmentsto,orrevisionsof,anyofthesepublications donotapply.However,partiestoagreementsbasedonthispartofISO15087areencouragedtoinvestigatethe possibilityofapplyingthemostrecenteditionsofthenormativedocumentsindicatedbelow.Forundated r
25、eferences,thelatesteditionofthenormativedocumentreferredtoapplies.MembersofISOandIECmaintain registersofcurrentlyvalidInternationalStandards. ISO1942-3, Dental vocabulary Part 3: Dental instruments. ISO15087-1:1999, Dental elevators Part 1: General requirements. 3 Termsanddefinitions Forthepurposeso
26、fthispartofISO15087,thetermsanddefinitionsgiveninISO1942-3apply. 4 Designanddimensions 4.1 General 4.1.1 CryerelevatorsshallconformtothegeneralrequirementsgiveninISO15087-1. 4.1.2 Cryerelevatorsshallbegroupedintothefollowingtypesaccordingtotheshapeoftheworkingend: Type1=Straightworkingend(notused) T
27、ype2=Leftworkingend Type3=Rightworkingend 4.1.3 CryerelevatorsshallbedesignedinaccordancewithFigure1,andwithdimensionsinaccordancewith Table1.MeasurementsofdimensionsshouldbemadeasdefinedinTable2. NOTE AnnexAofISO15087-1:1999providesdetailsofonemethodofmeasurementapplicabletomosttypesofdental handin
28、strument. EN ISO 15087-3:20002 4.2 Lengthrange Cryerelevatorsshallhaveanoveralllengthintherangebetween145mmand170mm. 4.3 Handle ThedesignanddimensionsoftheCryerelevatorhandleshallbeselectedatthediscretionofthemanufacturer. Table1DimensionsofCryerelevators Dimensionsinmillimetres (angulardimensionsin
29、degrees) Dimension b 1 b 2 b 3 l 1 r 1 Tolerance 0,2 0,2 1,0 ref a ref a 5 ref a Type2(Left) 1,8 1,8 10,0 53 25 63 10 Type3(Right) 1,8 1,8 10,0 53 25 63 10 a Referencedimension. Table2PointsofmeasurementforCryerelevators Symbol Designation Pointofmeasurement b 1 Bladewidth Measuredatadistanceof3mmfr
30、omthe extremetipoftheinstrument. b 2 Bladethickness Measuredatadistanceof3mmfromthe extremetipoftheinstrument. b 3 Bladelength Measuredfromthefarthestextremity ofthe blade,paralleltothecentrelineoftheblade,to theheeloftheblade. l 1 Workinglength Measuredfromthefarthestextremityofthe blade,parallelto
31、thecentrelineoftheinstrument, totheintersectionwiththehandle. r 1 Radiusofblade Radiusofcurvatureoftheinnersurfaceofthe blade. Bladeangle Anglebetweenthecentrelineoftheinstrument andthecentrelineoftheblade. Offsetangle Withtheinstrumentviewedat90tothestandard position(i.e.planview),theanglebetweenth
32、e centrelineoftheshankandaline,paralleltothe centrelineoftheinstrument,formingatangent withthefirstbendoftheinstrument. EN ISO 15087-3:2000 3 Dimensionsinmillimetres a)left(type2) b)right(type3) Figure1Cryerelevators,leftandright 5 Designation,labellingandmarking IftheCryerelevatormeetstherequiremen
33、tsofthispartofISO15087,thenthemanufacturermayincludeinthe catalogue,onthepackageoftheproductandontheinstrumentthenumberofthispartofISO15087(ISO15087-3) followedbyanobliquestrokeandthenumberindicatingthetypeofelevatorasshownin4.1.2. EXAMPLE ACryerelevator,type2,inaccordancewiththispartofISO15087islab
34、elledusingthefollowingformat: ISO15087-3/2 EN ISO 15087-3:2000Annex ZA (normative) Normativereferencestointernationalpublications withtheirrelevantEurope anpublications ThisEuropeanStandardincorporatesbydatedorundatedreference,provisionsfromother publications. These normative referencesar e cited at
35、 the appropriate places in the text and the publicationsare listed hereafter. For datedre ferences,s ubsequenta mendmentstoor revisions ofanyofthesepublicationsapplytothisEuropeanStandardonlywhenincorporatedinitby amendmentorr evision.Forundatedreferencesthelatesteditionofthepublicationreferredto ap
36、plies. Publication Year Title EN Year ISO19423: 1989 DentalvocabularyPart3:Dental instruments EN2 1942 3: 1993 EN ISO 15087-3:2000BS EN ISO 15087-3:2000 BSI 389 Chiswick High Road London W4 4AL | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
37、| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BSI British Standards Institution BSI is the independent national body responsible for preparing British Standards. It presents the UK view on standards
38、 in Europe and at the international level. It is incorporated by Royal Charter. Revisions British Standards are updated by amendment or revision. Users of British Standards should make sure that they possess the latest amendments or editions. It is the constant aim of BSI to improve the quality of o
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