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

WHAT ARE CRANIO-MAXILLOFACIAL DEFECTS ?

MEDICAL CAD-CAMRAPID DESIGN AND MANUFACTURING

1. MEDICAL REVERSE ENGINEERING (SCANNING)

2. COMPUTER AIDED DESIGN (CAD)

3. COMPUTER AIDED MANUFACTURING (CAM)

CT, MRI, ULTRASOUND

LASERSCAN

OPTICAL SCAN

REVERSE ENGINEERING

MRI SCAN

CT SCAN

MIMICS

3D VISUALISATION OF BONE AND SOFT TISSUE

CRANIAL DEFECT

PATIENT

Young girl

- Car accident with large skull defect

- Reconstruction with titanium

implant

(electron beam melting)

3-matic

DESIGN

Design

Final design

ImplantTi6Al4V

ELECTRON BEAM MELTED (ARCAM)

Now follows operation video

Not suited for sensitive viewers !

VIDEO SKULL

CLINICAL RESULT

NEW DEVELOPMENTS

NEW MATERIALS : PEEK

INTERFIX©

EASY FIXATIONTANGENTIAL SCREW

FIXATION

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

Case

PRE-OP X-RAY

CT-SCAN

NUCLEAR SCAN

CURRENT STANDARD CLINICAL PROCEDURE

• Vascularized bone transplants

• Fibula

Custom bended reconstruction plate with condylar head part

CURRENT STANDARD CLINICAL PROCEDURE

Computer Aided Design (CAD)

Computer Aided Design (CAD)

RENDERED FINAL DESIGN

Computer Aided Manufacturing (CAM)

Raw material : titanium powder 3D CAD design

SLMSelective Laser Melting

PLASMA COATED HYDROXY-APATITE

OPERATION VIDEO

• NOW FOLLOWS OPERATION VIDEO

• NOT SUITED FOR SENSITIVE VIEWERS !

OPERATION VIDEO

POSTOP X-RAY

NEXT STEP : FIXED DENTAL BRIDGE

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

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

THANKS FOR YOUR ATTENTION !