2012 06-21-inauguration-labo-additive-manufacturing u-hasselt-jules-poukens
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Transcript of 2012 06-21-inauguration-labo-additive-manufacturing u-hasselt-jules-poukens
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3D PRINTED MEDICAL IMPLANTSSIRRIS INAUGURATION 21.06.2012
Prof. Dr. J. PoukensDr. I. van KroonenburghIng. M. BeerensDr. Peter MercelisIng. Ruben WauthleIng. Carsten EngelProf. Dr. J. Vander SlotenProf. Dr. I. Lambrichts
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WHAT ARE CRANIO-MAXILLOFACIAL DEFECTS ?
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MEDICAL CAD-CAMRAPID DESIGN AND MANUFACTURING
1. MEDICAL REVERSE ENGINEERING (SCANNING)
2. COMPUTER AIDED DESIGN (CAD)
3. COMPUTER AIDED MANUFACTURING (CAM)
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CT, MRI, ULTRASOUND
LASERSCAN
OPTICAL SCAN
REVERSE ENGINEERING
MRI SCAN
CT SCAN
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MIMICS
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3D VISUALISATION OF BONE AND SOFT TISSUE
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CRANIAL DEFECT
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PATIENT
Young girl
- Car accident with large skull defect
- Reconstruction with titanium
implant
(electron beam melting)
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3-matic
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DESIGN
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Design
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Final design
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ImplantTi6Al4V
ELECTRON BEAM MELTED (ARCAM)
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Now follows operation video
Not suited for sensitive viewers !
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VIDEO SKULL
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CLINICAL RESULT
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NEW DEVELOPMENTS
NEW MATERIALS : PEEK
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INTERFIX©
EASY FIXATIONTANGENTIAL SCREW
FIXATION
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MANDIBULAR CASE
• WOMEN 83 y.• Med. Hist. : Osteoporosis• Medication: Bifosfonates peroral• Problem : large chronic wound /ulcer chin area• Diagnostics
– No Bacteria– CBCT extensive bone destruction– CT-scan – Nuclear Scan fast progressive osteomyelitis – Biopsy
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Case
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PRE-OP X-RAY
CT-SCAN
NUCLEAR SCAN
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CURRENT STANDARD CLINICAL PROCEDURE
• Vascularized bone transplants
• Fibula
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Custom bended reconstruction plate with condylar head part
CURRENT STANDARD CLINICAL PROCEDURE
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Computer Aided Design (CAD)
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Computer Aided Design (CAD)
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RENDERED FINAL DESIGN
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Computer Aided Manufacturing (CAM)
Raw material : titanium powder 3D CAD design
SLMSelective Laser Melting
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PLASMA COATED HYDROXY-APATITE
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OPERATION VIDEO
• NOW FOLLOWS OPERATION VIDEO
• NOT SUITED FOR SENSITIVE VIEWERS !
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OPERATION VIDEO
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POSTOP X-RAY
NEXT STEP : FIXED DENTAL BRIDGE
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o Shortened OR time(4h)o Shortened hospital stayo Perfect fit, no adjustements needed in ORo Functional reconstruction in one go:
o Movement-Masticationo Speecho Airwayo Sensibility
o Esthetical reconstruction
ADVANTAGES
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o 3D PRINTED PATIENT SPECIFIC IMPLANTS ARE AT THIS MOMENT NECESSARY FOR OPTIMAL TREATMENT IN SOME PATIENTS
o CUSTOM AND PATIENT SPECIFIC IMPLANTS MANUFACTURED BY 3D PRINTING WILL BECOME STATE OF THE ART TREATMENT IN NEAR FUTURE FOR ALL PATIENTS
CONCLUSION
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THANKS FOR YOUR ATTENTION !