三维耳郭导板的制作及其在耳郭再造术中的应用.docxVIP

·论著·doi:10.3969/j.issn.1673-0364.2014.01.01１三维耳郭导板的制作及其在耳郭再造术中的应用陈克光傅窈窈杨琳戴培东张天宇【摘要】目的参照小耳畸形患者健侧耳郭影像数据，制作三维耳郭导板，并打印为三维实体模型，为患侧耳郭再造提供手术指导。方法应用Mimics软件对患者健侧耳郭CT数据进行分割、镜像、膨胀等处理，获得患侧耳郭和导板的三维虚拟模型，将其导入3D打印机生产三维实体模型，并应用于临床。结果成功制作出个体化仿真度较高的患侧重建耳郭和导板的三维实体模型，并应用于临床耳郭再造术，用以指导术中精细雕刻耳郭软骨支架，并协助患侧再造耳定位。结论基于Mimics软件和3D打印技术制作的耳郭和导板的数字与实体三维模型，有助于指导术中精细雕刻耳郭软骨支架和定位。【关键词】小耳畸形耳郭三维打印【中图分类号】R319【文献标识码】A【文章编号】１６７３－０３６４（２０１４）０１－００37－０3ApplicationofThree-dimensionalAuricularGuidePlateinAuricularReconstructionCHENKeguang1,FUYaoyao1,YANGLin2,DAIPeidong2,ZHANGTianyu1.1DepartmentofOtorhinolaryngologyHeadNeckSurgery,EyeENTHospital,FudanUniversity,HearingMedicineKeyLaboratory,NationalMinistryofPublicHealth,Shanghai200031,China;2ExperimentalCenter,EyeENTHospital,FudanUniversity,HearingMedicineKeyLaboratory,NationalMinistryofPublicHealth,Shanghai200031,China.Correspondingauthor:ZHANGTianyu(E-mail:ztyentor@).【Abstract】ObjectiveToprovideguidanceforauricularreconstructionbyusingthree-dimensionalauricleandguideplatebasedonauricularimagedataofthehealthyside,andthethree-dimensionalsolidmodelwasprinted.MethodsThevirtualthree-dimensionalmodeloftheauricleandguideplateoftheaffectedsidewasestablishedbysegmenting,mirroringandexpandingCTdatafromthehealthyauricleusingMimicssoftware,whichwasfurtherimportedintoa3Dprintertoproduceathree-dimensionalsolidmodelforclinicalapplications.ResultsAnindividualizedanddelicatedthree-dimensionalsolidmodelofareconstructedauricleandguideplateoftheaffectedsidewassuccessfullyproduced.Itwasusedinauricularreconstructionforfinercarvingandlocalizationoftheaffectedauricle.ConclusionThedigitalandsolidthree-dimensionalmodeloftheauricleandguideplateobtainedbyMimicssoftwareand3Dprintingtechnology,maycontributealottothefabricationandlocalizationoftheaffectedauricleinmicrotiasurgery.【Keywords】Microtia;Auricle;Three-dimensionalprinting小耳畸形是较为常见的出生缺陷，发病率为取自体肋软骨雕刻移植。采用二维胶片法（在X光片上描绘正常耳郭的外形），对健侧耳郭的二维信息进行记录，然后以此为参照雕刻耳郭支架。但耳郭的外观是由其三维形态所决定的，单独按二维模型雕刻出一个具有理想层次感和立体感的耳郭支架并对0.5/10000~1/10000[1]。目前，小耳畸形主要通过耳