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中国组织工程研究与临床康复第15卷第4期2011–01–22出版JournalofClinicalRehabilitativeTissueEngineeringResearchJanuary22,2011Vol.15,No.4消融导管三维定位导航系统中心脏多腔模型的构建★乔海峰，苏智剑Constructionofacardiacmulti-chambermodelinthree-dimensionallocationandnavigationsystemofablationcatheterQiaoHai-feng,SuZhi-jianAbstractSchoolofMechanicalEngineering,NewBACKGROUND:Now,thedevelopmentofendocardiumthree-dimensional(3D)mappingsystemisahotspotinmedicalCampusofengineeringindomesticandforeigncountries.Thesystemappliedtoclinichasbeenintroduced,butitspriceisextremelyZhengzhouexpensive.Indomestic,thesystemisstillinthephaseofresearch.Therefore,thedomesticationofendocardium3DmappingUniversity,systemhasheavyresponsibilities.Zhengzhou450001,OBJECTIVE:Toanalyzethemodelingdataacquisitionin3Dlocationandnavigationsystemofablationcatheter,andtoHenanProvince,Chinareconstructendocardium3Dgeometrymodel.METHODS:Theacquisitionofendocardium3Dmodelingdataisdirectlyrelatedtothequalityofreconstructedmodel.WevisualizeddataQiaoHai-feng★,acquisitionprocessintheformofdiscretepoints,whichcouldachievethecomprehensiveandefficientmodelingpointdata.ThroughdoingStudyingformaster’sconvexhulloperationonacquiredpointclouddata,wegotthesurfaceextremepointsofdatasetandconstructedthepolyhedronmodelbydegree,SchoolofMechanicalusingofboundaryrepresentation.Finally,thegeneratedpolyhedronwasservedasbasicvoxeltocompletethemodelingprocessbydiscreteEngineering,Newmodeling.endocardium3DgeometrymodelwassuccessfullyreconstructedbyusingofvisualizationclasslibraryVTK.CampusofRESULTSANDCONCLUSION:SimulationexperimentsshowedthatthemethodsweproposedcouldgetthecomprehensiveandZhengzhouefficientmodelingpointdata,andreconstructendocardium3Dgeometrymodel.ItisindicatedthatreconstructedendocardiumUniversity,Zhengzhou450001,three-dimensionalgeometrymodelcanprovidetechnicalsupportfor3Dlocationandnavigationsystemofablationcatheter.HenanProvince,ChinaQiaoHF,SuZJ.Constructionofacardiacmulti-chambermodelinthree-dimensionallocationandnavigationsyste
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