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Development of a 3D Stomach Model for Surgical Planning

Development of a 3D Stomach Model for Surgical Planning. Qaiser Chaudry , Todd H. Stokes, Richard Moffitt, Syed H. Raza, Jorge v. Rogel, Jin Young Hong, Gabriel Wardi, Michelle Lightfoot, Mark Wulkan MD, Yan Xu and May D. Wang. Introduction. Infant/baby Gastro-esophageal reflux disease (GERD)

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Development of a 3D Stomach Model for Surgical Planning

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  1. Development of a 3D Stomach Model for Surgical Planning Qaiser Chaudry, Todd H. Stokes, Richard Moffitt, Syed H. Raza, Jorge v. Rogel, Jin Young Hong, Gabriel Wardi, Michelle Lightfoot, Mark Wulkan MD, Yan Xu and May D. Wang

  2. Introduction • Infant/baby Gastro-esophageal reflux disease (GERD) • CTscans – low resolution, disconnected 2D information

  3. Introduction • Visible Human Project • 4096 x 2700 pixels images (0.33mm pixel resolution) • 1mm axial spacing • 1871 high resolution images. http://www.madsci.org/~lynn/VH/transverse.html

  4. Introduction

  5. Sequence of Presentation • Introduction • Development of VH stomach model • Development of CT based stomach model • Model registration and issues • Local registration / morphing • Results • Conclusion

  6. Development of VH stomach model

  7. Segmentation

  8. VTK workflow for creation and interactivity with stomach model

  9. 3D Model and its refinement

  10. 3D Model and its refinement

  11. Segmented Infant Stomach

  12. Infant stomach

  13. Registration

  14. Point and Shoot method for points pickup

  15. Issues with Rigid Registration

  16. Multiple Object registeration

  17. Local registration with surface normal based morphing

  18. Different cases

  19. Comparison

  20. Flash back

  21. Virtual surgery and planning

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