快速成型在生物医学领域的应用ppt课件

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1、快速成型在生物医学领域的应用RapidPrototypingforBiomedicalApplications学生：学号：LOM薄型材料选择性切割SLS粉末材料选择性烧结SLA液态光敏聚合物选择固化FDM丝状材料选择性熔覆成型数字光加工喷射多层喷墨建模制作ThereareseveralRPtechnologiesinmedicine,whichcanbedividedinsubtractiveandadditiveones.1方法分类1方法分类ComparisonofdifferentRPtechnologiesRPtechniqueAdvantageDisad

2、vantage(CNCmilling)LasersinteringStereolithographyInkjetprinting3DprintingFDM/FDC3DplottingBroadrangeofbulkmaterialsExcellentmechanicalstrengthHighaccuracyGoodmechanicalstrengthBroadrangeofbulkmaterialsGoodmechanicalstrengthExcellentaccuracyNoinherenttoxiccomponentsFastprocessingLowc

3、ostsLowcostsBroadrangeofmaterialsBroadrangeofconditionsIncorporationofcells,proteinsandfillersNocomplexinternalstructureElevatedtemperaturesUncontrolledporosityLimitedtoreactiveresins(mostlytoxic)SlowprocessMateriallimitedtolowmeltingpointwaxWeakbondingbetweenpowderparticlesBadaccura

4、cyElevatedtemperaturesSmallrangeofbulkmaterialsMediumaccuracySlowprocessingLowaccuracyNostandardconditionTherearevarietiesofmaterialswhichcanbeusedformedicalapplicationsofRP.Materialsmustshowbiologicalcompatibility.RPmedicalmaterialsinclude:•Photosensitiveresinsformedicalapplication;

5、•Metals(stainlesssteel,titaniumalloys,CobaltChromiumalloys,other);•Advancedbioceramicmaterials(Alumnia,Zirconia,Calciumphosphate-basedbioceramics,porousceramics)forLOM;•Polycaprolactone(PCL)scaffolds,polymer-ceramiccompositescaffoldmadeofpolypropylene-tricalcium•phosphate(PP-TCP).PCL

6、andPCL-hydroxyapatite(HA)forFDM,PLGA,starch-basedpolymerfor3DP,polyetheretherketone-hydroxyapatite(PEEK-HA),PCLscaffoldsintissueengineeringfor(SLS);•Bonecement:newcalciumphosphatepowderbinders(mixtureoftetracalciumphosphate(TTCP)andbeta–tricalciumphosphate(TCP)),Polimethylmethacrylat

7、e(PMMA)material,otherpolymercalciumphosphatecementcompositesforbonesubstitutesandimplants;•Manyotherbiocompatiblematerials参考文献:4thInternationalConferenceonMaterialsProcessingandCharacterizationModernTrendsinRapidPrototypingforBiomedicalApplicationsDeepenBanoriya,RajeshPurohit*andR.K.

8、Dwivedi2材料分类