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The Biomodeling Process: From 2D to 3D


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A look into the process of producing biomodels (3D anatomical models) from medical imaging data.

This presentation describes how we start with stacks of 2D medical images from CT and MRI scans and process the data to create accurate 3D models that replicate patient anatomy. These models can be produced in various virtual formats and can be physically fabricated using various 3D-printing technologies.

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The Biomodeling Process: From 2D to 3D

  1. 1. The Biomodeling Process from 2D to 3D Biomedical Modeling, Inc. Biomedical Modeling, Inc. Crispin B. Weinberg, Ph.D. Danice Y. Chou, B.S. 1 of 13
  2. 2. Who are we? Biomedical Modeling, Inc. is a Boston-based anatomical engineering company. We make patient-specific anatomical models from medical imaging data (CT, MRI, etc.) for dental, medical, and engineering applications. Biomedical Modeling, Inc. 2 of 13
  3. 3. What do we do? We provide virtual & physical biomodels to... surgeons & dentists for planning complex procedures, anaplastologists for making custom implants, and biomedical engineers for medical device design and testing. Biomedical Modeling, Inc. 3 of 13
  4. 4. How do we do it? Problem Definition Data Acquisition Biomedical Modeling, Inc. We follow a step by step process starting with problem definition. Data Segmentation 3D Modeling (mesh) 4 of 13
  5. 5. Data Acquisition For patient-specific models we start working from your CT or MRI scans. If a patient-specific model is not required, we may have suitable data on file in our anatomical library. Biomedical Modeling, Inc. 5 of 13
  6. 6. Image Segmentation We segment the relevant anatomy from stacks of scan images. Image Stack (DICOM Data) skin liver bone kidney Biomedical Modeling, Inc. kidney 6 of 13
  7. 7. Image Segmentation Biomedical Modeling, Inc. We assemble a 3D model from the segmented images. 7 of 13
  8. 8. 3D Modeling Biomedical Modeling, Inc. We clean up, repair, and revise the model's 3D surface mesh as needed. 8 of 13
  9. 9. Biomodel Fabrication Biomedical Modeling, Inc. We fabricate physical models via additive manufacturing (3D printing). 9 of 13
  10. 10. CAD Modeling 3D Triangular Mesh .STL files Biomedical Modeling, Inc. We also process the 3D models further so they are compatible with CAD software for engineering analysis and design. Non-Uniform Rational B-Splines (NURBS) CAD files: .IGES, .STEP, .SLDPRT 10 of 13
  11. 11. Problem Definition Data Acquisition Data Segmentation 3D Modeling (mesh) This process produces accurate 3D models of human anatomy. Biomedical Modeling, Inc. 11 of 13
  12. 12. 3D models allow for concrete visualization, a tactile interface, and a platform for examining pathological anatomy. Biomedical Modeling, Inc. 12 of 13
  13. 13. For more information, please visit our website at . . Thank you. Biomedical Modeling, Inc. 13 of 13