【英文标准名称】:StandardTestMethodsforDeterminingRadiopacityforMedicalUse
【原文标准名称】:医疗用辐射不透明度测定的标准试验方法
【标准号】:ASTMF640-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:F04.15
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:实验室医学;医疗设备;医学科学;塑料;射线照片;测试
【英文主题词】:implants;radiopacity;surgicalapplications;surgicaldevices;surgicalimplants;testmethods;X-ray
【摘要】:Thesemethodsareintendedtodeterminewhetheramaterial,product,orpartofaproducthasthedegreeofradiopacitydesiredforitsapplicationasamedicaldeviceinthehumanbody.Thesemethodsallowforbothqualitativeandquantitativeevaluationindifferentcomparativesituations.1.1ThesetestmethodscoverthedeterminationoftheradiopacityofmaterialsandproductsutilizingX-raybasedtechniques,includingfluoroscopy,angiography,CT(computedtomography)andDEXA,alsoknownasDXA,(dualenergyX-rayabsorptiometry).Theresultsofthesemeasurementsareanindicationofthelikelihoodoflocatingtheproductwithinthehumanbody.1.2TypesofTests-Therearethreemethodsoftestsdescribed,differinginthemethodofdeterminingradiopacity.1.2.1MethodA-Radiopacityis(1)qualitativelydeterminedbyviewingimage(s)ofatestsampleandtheimagebackground,withorwithouttheuseofabodymimic,or(2)quantitativelydeterminedasaspecificdifferenceinopticaldensityorpixelintensitybetweentheimageofatestsampleandtheimagebackground,withorwithouttheuseofabodymimic.1.2.2MethodB-Radiopacityisdeterminedby(1)qualitativelycomparingimage(s)ofatestsampleandauser-definedstandardwithouttheuseofabodymimic,or(2)quantitativelydeterminingthespecificdifferenceinopticaldensityorpixelintensitybetweentheimageofatestsampleandtheimageofauser-definedstandardwithouttheuseofabodymimic.1.2.3MethodC-Radiopacityisdeterminedby(1)qualitativelycomparingimage(s)ofatestsampleandauser-definedstandardwiththeuseofbodymimicor(2)quantitativelydeterminingthespecificdifferenceinopticaldensityorpixelintensitybetweentheimageofatestsampleandtheimageofauser-definedstandardwiththeuseofabodymimic.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G32;C04
【国际标准分类号】:11_120_01;83_080_01
【页数】:4P.;A4
【正文语种】:
基本信息
标准名称: | 单柱、双柱立式车床 精度检验 |
中标分类: |
机械 >>
金属切削机床 >>
车床 |
替代情况: | JB 4116-85;标准内容已被GB/T 23582.1-2009 涵盖。 |
发布日期: | 1996-11-07 |
实施日期: | 1997-01-01 |
首发日期: | 1900-01-01 |
作废日期: | 2010-01-20 |
归口单位: | 武汉重型机床研究所 |
出版日期: | 1900-01-01 |
页数: | 14 页 |
批文号: | 机械科[1996]901号 |
适用范围
本标准是对JB 4116-85的修订。原标准几何精度检验项目中的G13、G14、G15是移动型立式车床需检验的项目,移动式立式车床已制订了专门的精度检验标准,此次修订时予以取消。
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所属分类: 机械 金属切削机床 车床