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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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Slide1 l.jpg

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 l.jpg

Introduction

  • Infant/baby Gastro-esophageal reflux disease (GERD)

  • CTscans – low resolution, disconnected 2D information


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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


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Introduction


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Sequence of Presentation

  • Introduction

  • Development of VH stomach model

  • Development of CT based stomach model

  • Model registration and issues

  • Local registration / morphing

  • Results

  • Conclusion


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Development of VH stomach model


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Segmentation


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VTK workflow for creation and interactivity with stomach model


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3D Model and its refinement


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3D Model and its refinement


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Segmented Infant Stomach


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Infant stomach


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Registration


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Point and Shoot method for points pickup


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Issues with Rigid Registration


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Multiple Object registeration


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Local registration with surface normal based morphing


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Different cases


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Comparison


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Flash back


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Virtual surgery and planning


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