【英文标准名称】:StandardSpecificationforHighPurityCalciumSulfateHemihydrateorDihydrateforSurgicalImplants
【原文标准名称】:医用高纯水合硫酸钙或二水硫酸钙规范
【标准号】:ASTMF2224-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:F04.13
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:
【英文主题词】:bone;calciumsulfate;gypsum;implant;plaster;Boneimplantmaterials/applications--specifications;Calciumsulfate(CaSO4);Didydratecalciumsulfate;Fabricatedmaterials--specifications;Hemidydratecalciumsulfate;Surgicalimplants--
【摘要】:1.1Thisspecificationcoversmaterialrequirementsforunfabricatedandfabricatedformsofhydratedcalciumsulfateintendedforsurgicalimplants.Fabricatedformsmayincludepressedandcastsurgicalimplantsinvariousgeometricshapes.Thecalciumsulfatehemihydrateintheunfabricatedformcanbeconvertedwiththeadditionofwaterorotherwater-containingsolutionstoafabricatedcalciumsulfatedihydrateform.1.2Therequirementsofthisspecificationapplytocalciumsulfatecombinedwithtwomoleculesofwaterortwocalciumsulfatemoleculessharingonewatermolecule.Approximatechemicalformulae:CalciumSulfateDihydrate
CaSO4x00B7;2H2O
CalciumSulfateHemihydrate
CaSO4x00B7;1/2H2OorCaSO4x00B7;H2Ox00B7;CaSO4