Advanced Manufacturing Technology for Medical Applications: Reverse Engineering, Software Conversion and Rapid Prototyping (Engineering Research Series (REP))

257 Pages·2006·4.56 MB·English

by  Ian Gibson

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Advanced
Manufacturing
Technology for Medical
Applications
Reverse Engineering, Software Conversion
and Rapid Prototyping
Editedby
IanGibson
DepartmentofMechanicalEngineering
UniversityofHongKong
HongKong
iii
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ii
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Advanced Manufacturing
Technology for Medical
Applications
i
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ii
JWBK042-FM JWBK042-Gibson September6,2005 14:45 CharCount=0
Advanced
Manufacturing
Technology for Medical
Applications
Reverse Engineering, Software Conversion
and Rapid Prototyping
Editedby
IanGibson
DepartmentofMechanicalEngineering
UniversityofHongKong
HongKong
iii
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LibraryofCongressCataloging-in-PublicationData
Advancedmanufacturingtechnologyformedicalapplications:reverseengineering,softwareconversion,and
rapidprototyping/editedbyIanGibson.
p. cm.
Includesbibliographicalreferences.
ISBN0-470-01688-4(cloth:alk.paper)
1.Medicaltechnology. 2.Medicalinnovations. 3.Manufacturingprocesses. I.Gibson,Ian,1938–
R855.3.A38 2005
658(cid:2).28—dc22
2005021391
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AcataloguerecordforthisbookisavailablefromtheBritishLibrary
ISBN-13978-0-470-01688-6(HB)
ISBN-100-470-01688-4(HB)
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Contents
Contributors xi
1 RapidPrototypingforMedicalApplications 1
IanGibson
1.1 Overview 1
1.2 WorkshoponMedicalApplicationsforReverseEngineering
andRapidPrototyping 2
1.3 PurposeofThisChapter(Overview) 3
1.4 BackgroundonRapidPrototyping 3
1.5 StereolithographyandOtherResin-typeSystems 6
1.6 FusedDepositionModellingandSelectiveLaserSintering 7
1.7 Droplet/BinderSystems 9
1.8 RelatedTechnology:MicrosystemsandDirectMetalSystems 10
1.9 FilePreparation 11
1.10 RelationshipwithOtherTechnologies 12
1.11 DisadvantageswithRPforMedicalApplications 13
1.12 Summary 14
Bibliography 14
2 RoleofRapidDigitalManufactureinPlanningandImplementationof
ComplexMedicalTreatments 15
AndrewM.ChristensenandStephenM.Humphries
2.1 Introduction 16
2.2 PrimeronMedicalImaging 16
2.3 SurgicalPlanning 18
2.3.1 Virtualplanning 18
2.3.2 Implementationoftheplan 20
2.4 RDMinMedicine 22
2.4.1 RP-generatedanatomicalmodels 22
2.4.2 CustomtreatmentdeviceswithADM 26
2.5 TheFuture 28
2.6 Conclusion 29
References 29
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vi Contents
3 Biomodelling 31
P.D’Urso
3.1 Introduction 31
3.2 SurgicalApplicationsofRealVirtuality 32
3.2.1 Cranio-maxillofacialbiomodelling 33
3.2.1.1 Integrationofbiomodelswithdentalcastings 34
3.2.1.2 Useofbiomodelstoshapemaxillofacialimplants 35
3.2.1.3 Useofbiomodelstoprefabricatetemplatesandsplints 35
3.2.1.4 Useofbiomodelsinrestorativeprosthetics 36
3.2.2 Useofrealvirtualityincustomizedcranio-maxillofacialprosthetics 36
3.2.2.1 Computermirroringtechniquesforthegenerationofprostheses 38
3.2.2.2 Resultsofimplantation 39
3.2.2.3 Advantagesofprefabricatedcustomizedcranioplasticimplants 39
3.2.3 Biomodel-guidedstereotaxy 39
3.2.3.1 Developmentofstereotaxy 40
3.2.3.2 Developmentofbiomodel-guidedstereotacticsurgery 40
3.2.3.3 Biomodel-guidedstereotacticsurgerywithatemplateandmarkers 41
3.2.3.4 Biomodel-guidedstereotacticsurgeryusingtheD’Ursoframe 42
3.2.3.5 Utilityofbiomodel-guidedstereotacticsurgery 43
3.2.4 Vascularbiomodelling 44
3.2.4.1 BiomodellingfromCTA 44
3.2.4.2 BiomodellingfromMRA 45
3.2.4.3 Clinicalapplicationsofvascularbiomodels 45
3.2.4.4 Vascularbiomodelling:technicalnote 46
3.2.5 Skull-basetumoursurgery 46
3.2.6 Spinalsurgery 48
3.2.6.1 Spinalbiomodelstereotaxy 48
3.2.6.2 Technicalconsiderationsinspinalbiomodelling 50
3.2.7 Orthopaedicbiomodelling 50
3.3 CaseStudies 51
References 55
4 Three-dimensionalDataCaptureandProcessing 59
W.Feng,Y.F.Zhang,Y.F.WuandY.S.Wong
4.1 Introduction 60
4.2 3DMedicalScanProcess 61
4.2.1 3Dscanning 61
4.2.1.1 Computedtomographyimaginganditsapplications 61
4.2.1.2 Magneticresonanceimaginganditsapplications 63
4.2.1.3 Ultrasoundimaginganditsapplications 64
4.2.1.4 3Dlaserscanning 65
4.2.2 3Dreconstruction 65
4.3 REandRPinMedicalApplication 67
4.3.1 ProposedmethodforRPmodelconstructionfromscanneddata 68
4.3.2 Reconstructionsoftware 69
4.3.3 Accuracyissues 70
4.4 ApplicationsofMedicalImaging 71
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Contents vii
4.5 CaseStudy 72
4.5.1 CasestudywithCT/MRscanneddata 72
4.5.2 CasestudiesforREandRP 74
4.6 Conclusions 76
References 76
Bibliography 76
5 SoftwareforMedicalDataTransfer 79
EllenDhoore
5.1 Introduction 79
5.2 MedicalImaging:fromMedicalScannerto3DModel 79
5.2.1 Introduction 79
5.2.2 Mimics® 80
5.2.2.1 BasicfunctionalityofMimics 80
5.2.2.2 AdditionalmodulesinMimics 82
5.3 ComputerApproachinDentalImplantology 92
5.3.1 Introduction 92
5.3.2 Virtual3Dplanningenvironment:SimPlant® 92
5.3.3 Guidetoaccurateimplanttreatment:SurgiGuide® 93
5.3.3.1 GeneralconceptofSurgiGuide® 93
5.3.3.2 DifferenttypesofSurgiGuide® 94
5.3.3.3 ImmediateSmileTM:temporaryprosthesisfortruly
‘immediate’loading 100
5.4 Conclusions 102
Bibliography 103
6 BioBuildSoftware 105
RobertThompson,DrGianLorenzettoandDrPaulD(cid:1)Urso
6.1 Introduction 105
6.2 BioBuildParadigm 109
6.2.1 Importingadataset 110
6.2.2 Volumereduction 112
6.2.3 Anatomicalorientationconfirmation 112
6.2.4 Volumeinspectionandintensitythresholding 112
6.2.4.1 Intensitythresholding 113
6.2.4.2 Displayoptions 114
6.2.5 Volumeediting 114
6.2.5.1 Connectivityoptions 115
6.2.5.2 Volumemorphology 115
6.2.5.3 Regionmorphology 116
6.2.5.4 Volumealgebra 116
6.2.5.5 Labels 117
6.2.5.6 Volumetransformations 117
6.2.6 Imageprocessing 118
6.2.7 Buildorientationoptimization 118
6.2.8 3Dvisualization 119
6.2.9 RPfilegeneration 119