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3D Slicer for Image Guided Therapy Program

3D Slicer for Image Guided Therapy Program. Goal: To develop general display , control , and communications modules providing a resource to support diverse IGT applications Thermal therapies Vascular interventions Surgical excision Specific Aim:

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3D Slicer for Image Guided Therapy Program

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  1. 3D Slicer for Image Guided Therapy Program Goal: To develop general display, control, and communications modules providing a resource to support diverse IGT applications • Thermal therapies • Vascular interventions • Surgical excision Specific Aim: Provide seemless tracking for rigid tools and catheters inside and outside of MRI scanner. Enable • Dynamic Volume Acquisition • Continuous 3D Visualization • Real-time MR System Control

  2. Tracking Systems GE Instatrak EM Tip Tracking MRI NDI Polaris Passive optical, hybrid Aurora EM IGT Flashpoint Active optical Robin Medical Endoscout EM / MRI gradient Biosense Webster CARTO EM / induction coil Ascension Bird, Microbird EM

  3. Slaving of 3D Slicer Workstation • Read coordinates from FDA approved system (e.g., GE Navs). • FDA approved system provides primary source of information to clinician • 3D Slicer provides augmented information (e.g., DTI) and will serve as a research platform.

  4. Platforms • 3D Slicer • Pai Saiveroonporn – Thermal mapping, on-line scanner control • Ryoichi (under Zientara grant) – Cryo iceball prediction • Eigil Samset – Oslo • Randy Ellis – Queens College • Mike Guttmann - NIH

  5. Interactive Scanner Control Dynamic re-sizing, re-orienting and re-positioning for rapid targeting of treated volume

  6. 100 50 0 1st Qtr 1st Qtr 2nd Qtr 2nd Qtr Adaptive Scanner Control Multi-computer Control Console MRI Scanner System Dynamic re-ordering and reshaping of acquisition for rapid adaptation to changes in treated volume

  7. Flexible protocol definition to serve diverse IGT applications Temperature Visualization adjustment

  8. Multi-planar views of treatment evolution: real-time or retrospective Anatomical Temperature movie Thermal Dose

  9. Real-time rendering of treatment volume Temperature Thermal Dose movie Temperature Thermal Dose

  10. Real-time Surface Visualization Temperature Thermal Dose movie Temperature Thermal Dose

  11. Cryotherapy (Zientara) • Intra-procedural 3D AssessmentReal-time Monitoring and Controlling

  12. CRYOTHERAPY – RENAL3) Monitoring 4) Controlling 2nd 15 min Freeze

  13. Real-time Control of 3D-Slicer Visualization using Coordinates from Electrophysiological Catheter Tracking System (Westin)

  14. Reformatted view of the MRI volume using the location and orientation of the CARTO points.

  15. Microscope/endoscope video registration to MR/CT • Simon Warfield P01 • Lighthouse Imaging SBIR, CIMIT

  16. A Navigation System for AugmentingLaparoscopic Ultrasound (Ellsmere)

  17. Neuro intervention (Pujol) Ascension microbird integrated into Slicer

  18. Open tracker • www.studierstube.org/opentracker • Developed by Technical University of Graz • flexible XML based tracking framework • source code available under for Windows, Irix and Linux. • includes drivers for a range of different tracking systems. • modules for some addition tracking systems have been developed by Samset et al. • can be used to maintain registration across different tracking systems

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