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Using 3D Visualisation in the Repair of Intra-articular Fractures

Using 3D Visualisation in the Repair of Intra-articular Fractures. Arline. F. Wilson Dr. Peter. B. Musgrove Dr. Gillian Pearce Dr. Kevan A. Buckley Dr. John M. Geoghegan. Derbyshire Royal Infirmary. Oswestry Orthopaedic Hospital. Research Problem.

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Using 3D Visualisation in the Repair of Intra-articular Fractures

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  1. Using 3D Visualisation in the Repair of Intra-articular Fractures Arline. F. Wilson Dr. Peter. B. Musgrove Dr. Gillian Pearce Dr. Kevan A. Buckley Dr. John M. Geoghegan

  2. Derbyshire Royal Infirmary Oswestry Orthopaedic Hospital Theory and Practice of Computer Graphics 2007

  3. Research Problem • Repair an intra-articular fracture with the smoothest articulating surfaces possible • An intra-articular fracture is a break in the articulating surfaces of a joint • Use 3D visualisation as a tool in providing pre-operative planning for surgery • Data visualisation from CT scans are a non-invasive way of providing information • Initial work is in 2D Theory and Practice of Computer Graphics 2007

  4. 2D Visualisation Theory and Practice of Computer Graphics 2007

  5. http://www.tfl.gov.uk/assets/images/general/mapt-tube-standard-colourmap.gifhttp://www.tfl.gov.uk/assets/images/general/mapt-tube-standard-colourmap.gif Theory and Practice of Computer Graphics 2007

  6. 3D Visualisation Knee Joint (image created using AMIRA software) Theory and Practice of Computer Graphics 2007

  7. Medical Visualisation Current face before Expected face after (Images from The Times newspaper, November 2005) Theory and Practice of Computer Graphics 2007

  8. Pre-operative planning Theory and Practice of Computer Graphics 2007

  9. One year after Surgery http://www.breitbart.com/article.php?id=D8LM81E00&show_article=1 Theory and Practice of Computer Graphics 2007

  10. Three-dimensional solid from CT “slices” Object appears in each two-dimensional “slice” Series of many two-dimensional images combine in sequence to create a three-dimensional solid Theory and Practice of Computer Graphics 2007

  11. Series of 2D images Theory and Practice of Computer Graphics 2007

  12. Visualisation of CT data View of bones obscured by soft tissue Theory and Practice of Computer Graphics 2007

  13. Image of fracture with no soft tissue visible Theory and Practice of Computer Graphics 2007

  14. Edge Detection Theory and Practice of Computer Graphics 2007

  15. Jigsaw Puzzle Matching Theory and Practice of Computer Graphics 2007

  16. Rotate Blue Fragment Theory and Practice of Computer Graphics 2007

  17. Do they match? Theory and Practice of Computer Graphics 2007

  18. Exact Match Theory and Practice of Computer Graphics 2007

  19. Automatically manipulate fragment to show match Theory and Practice of Computer Graphics 2007

  20. Partial Match Theory and Practice of Computer Graphics 2007

  21. Show where it does not fit Theory and Practice of Computer Graphics 2007

  22. No Match Theory and Practice of Computer Graphics 2007

  23. Partial Match Theory and Practice of Computer Graphics 2007

  24. Overlap/collision Theory and Practice of Computer Graphics 2007

  25. Poor Match Theory and Practice of Computer Graphics 2007

  26. Exact Match Theory and Practice of Computer Graphics 2007

  27. Progress so far • 3D visualisation of CT data • Amira • AVS/Express • Some edge detection and collision detection work • Vb.Net • 2D shape manipulation and matching • Java Theory and Practice of Computer Graphics 2007

  28. Further Work • Apply manipulation to 3D images • User interface views? • Manipulation control? • Edge detection • Collision detection • Automatic segmentation • Can swelling and/or bleeding affect the images? Theory and Practice of Computer Graphics 2007

  29. Thank You.Questions? Theory and Practice of Computer Graphics 2007

  30. Partial Match Theory and Practice of Computer Graphics 2007

  31. Partial Match Theory and Practice of Computer Graphics 2007

  32. Poor Match Theory and Practice of Computer Graphics 2007

  33. Partial Match Theory and Practice of Computer Graphics 2007

  34. Partial Match Theory and Practice of Computer Graphics 2007

  35. Acknowledgements • Underground geographical map http://pauldwaite.co.uk/londonTubeMap/geoff-files/sillymaps/geographical_map.jpg • More common map http://www.tfl.gov.uk/assets/images/general/mapt-tube-standard-colourmap.gif • Face transplant images • The Times newspaper, November 2005 • http://www.breitbart.com/article.php?id=D8LM81E00&show_article=1 Theory and Practice of Computer Graphics 2007

  36. Matrix Multiplication • Angle of rotation is  • Convert to radians  =  *  / 180 1 0 0 cos() sin() 0 0 1 0 -sin() cos() 0 -x -y 0 0 0 1 Theory and Practice of Computer Graphics 2007

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