Innovative Technologies of 3D-Modelling in Medicine

Innovative 3d modeling in medicine Инновационные технологии 3d моделирования в медицине

Scope of the presentation… • About Materialise • Technical introduction: - Starting from CT/MRI images, Mimics software can make an accurate 3D reconstruction of the anatomical structures and export STL files. - 3-matic software is capable of designing implants based on these 3D reconstructions, on STL level (no reverse engineering necessary) - The final implants can be produced by Direct Metal Laser Sintering

Materialise Ukraine • Office was established in August 2000 with 5 members on board in collaboration • Now we are more than 250 people ! • Developers • Application engineers • Medical engineers • CAD engineers 3

Welcome to Materialise • Started in 1990 the technology of Rapid Prototyping (3D Printing) • As in a joint venture with University of Leuven • Grown to over 900 employees worldwide • HQ in Belgium, offices all around the world • Now active in diverse domains... 4

Materialise Mission Statement To innovate product development resulting in a better and healthier world, through its software and hardware infrastructure and in-depth knowledge of Rapid Prototyping, Tooling & Manufacturing. 5

3d printing: Rapid Prototyping Materialise Factory

Materialise software products

What is Mimics? 3D Model • Mimics allows you to: • import scanned images • select structures in the images • These structures can then be used for different applications… CT or MRI Scan 2-D Cross Sections Mimics Software Prof. Dr. De Backer, UZ Antwerp, Dep. Pneumology

Mimics provides: • A link between scanned images and... • Rapid Prototyping • CAD • Finite Element Analysis • Surgical Procedure Simulation

Rapid Prototyping • Use Mimics for the production • of Medical Models • Easy Creation of STL files • Direct export to RP formats • Create Supports in Mimics • Color stereolithography • Medical Models: • Communication • Surgery Preparation • Proven to be very accurate and useful • (cfr. Phidias – European Dr. George A. Brown Kenneth E. Salyer, M.D., F.A.C.S., F.A.A.P., F.I.C.S. research project)

Flexible soft tissue models • Creation of flexible soft tissue models for device design Angela Noecker, Lerner Research Institute Noecker,

Design of custom implants Ralf Schindel, Hochschule St. Gallen Schindel,

Non invasive archeology Dominic Eggbeer, The National Centre for Product Design & Development Research (PDR) The British Museum

Other possibilities

Transfer to CAD • Transfer geometries accurately from • scanned images to CAD software. • (cfr. Aesculap study)

Case Study 1 • An Automated System for Design and analysis of Total Hip Implants • Select information • Perform Statistics • Make new design Mark A. Manasas - 1999

Finite Element Analysis • Optimize your mesh for FE Analysis:

Finite Element Analysis • Do an accurate material assignment to the volumetric mesh based on the HU in the CT images

Von Mises Stresses

Velocity pathlines from CFD

Computer Assisted Brain Analysis Andreas A. Linninger, University of Illinois at Chicago

Surgical procedure Simulation • Use Mimics to simulate the implant positioning • and to verify your design. Data courtesy of Dr. Taha

Surgical procedure Simulation • Use Mimics to gather measurements for e.g. statistical analysis Wan Abdul Rahman Wan Harun, SIRIM Berhad

Implant placement and surgical simulation

The design of a custom prosthesis Materialise

Classification of cranial prosthesis 1. ‘Simple’ Cranial defect 3. Missing orbit 2. Large cranial defect

1. Design for a simple cranial defect

Strategy - Example • Draw a curve around the defect Curve • Make sure you draw it far enough from the border since we will make a tangential hole filling • Use the “Create Cranioplasty Prosthesis” function

Result

2. Design for a large cranial defect

Example Dr. Haex, AZ Maastricht

3. Design for missing orbit

Example •The mirrored skull positioned at the desired spot Dr. Taha, CHU Amiens

Example: verification in Mimics

Materialise – Kiev Office Materialise: innovative products – innovative services – innovative careers

materialise.kiev.ua

Learn more about us! Materialise Ukraine vul. Raisy Okypnoi, 8A · 02002 Kyiv · Ukraine Tel. +38 044 594 5610 Fax +38 044 594 5611 www.materialise.com www.materialise.kiev.ua

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Innovative Technologies of 3D-Modelling in Medicine

by SSA KPI on Aug 23, 2010

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