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Development of a 3D Stomach Model for Surgical Planning PowerPoint PPT Presentation


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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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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)

  • CTscans – low resolution, disconnected 2D information


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


Introduction


Sequence of Presentation

  • Introduction

  • Development of VH stomach model

  • Development of CT based stomach model

  • Model registration and issues

  • Local registration / morphing

  • Results

  • Conclusion


Development of VH stomach model


Segmentation


VTK workflow for creation and interactivity with stomach model


3D Model and its refinement


3D Model and its refinement


Segmented Infant Stomach


Infant stomach


Registration


Point and Shoot method for points pickup


Issues with Rigid Registration


Multiple Object registeration


Local registration with surface normal based morphing


Different cases


Comparison


Flash back


Virtual surgery and planning


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