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COMPUTER-AIDED SURGICAL PLANNING AND PROCEDURES A.Schaeffer; PolyDimensions GmbH, Bickenbach

COMPUTER-AIDED SURGICAL PLANNING AND PROCEDURES A.Schaeffer; PolyDimensions GmbH, Bickenbach. Overview: . Technical fundamentals Examples State-of-the-Art Problems Results Future developments. Technical fundamentals :. Which components are used:. Computer system (mostly PC-Hardware)

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COMPUTER-AIDED SURGICAL PLANNING AND PROCEDURES A.Schaeffer; PolyDimensions GmbH, Bickenbach

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  1. COMPUTER-AIDED SURGICAL PLANNING AND PROCEDURES A.Schaeffer; PolyDimensions GmbH, Bickenbach

  2. Overview: • Technical fundamentals • Examples • State-of-the-Art • Problems • Results • Future developments

  3. Technical fundamentals : Which components are used: • Computer system (mostly PC-Hardware) • Specialized software (mainly CAD-software, optimized for anatomy • Tracking devices (optical, electromagnetical, …) • Visualization systems (2D-/3D-Displays, Head-mounted-displays) • User Interaction (mouse, joystick, voice-control, gesture recognition) • Interaction with patient (microinstruments, robots…)

  4. Examples: Planning of procedures from digital medical imaging data: • Image recognition and segmentation • Triangulation • Visualization

  5. Generation of CAD models: © Simbionix Ltd., Israel © PolyDimensions GmbH, Bickenbach

  6. Results: 3D models of patient anatomy for planning of surgical approach © MeVis GmbH, Bremen

  7. Benefits: Access to computerized calculations • Estimation of size and localization • Calculation of blood supply and resection lines • 3D/Stereo-Visualization • Use for Augmented Reality

  8. Problems and Challenges: • Automated image recognition not yet advanced enough • Time-consuming preprocessing • Computer-user-interface has to be improved for use in the OR • Skilled users are mandatory for interpretation and use of digital data

  9. Navigation in the OR: Already in clinical use in for special procedures • Electromagnetical • Optical • Ultrasound • Others… © BrainLAB AG, Heimstetten

  10. Benefits of navigation in the OR: • Exact localization of anatomical structures like tumors e.g. • Positioning of instruments • Use for robotic surgery • Tracking and navigation needed for Augmented Reality

  11. Problems: • Special Precautions necessary for reliable use • Expensive • Still not usable for procedures on soft-tissue anatomy

  12. Real-time simulation for planning and education: • Already standard in aviation industry:

  13. Real-time simulation in medicine: • Medical education • Quality assurance © Simbionix Ltd., Israel

  14. Visualization: • 2D-Displays • Stereo 3D-Displays • Head-Mounted-Displays © PolyDimensions GmbH, Bickenbach

  15. Benefits and Problems: • Faster overview • Better orientation in difficult anatomy • Real-time-interaction with computer • Not yet commonly used technique • Space-consuming in the OR

  16. Robots in the OR: Growing number of clinical use • Heart surgery • Orthopedics, Traumatology (Implantology) • Gynecology • Others… © Intuitive Surgical Inc., Sunnyvale, CA

  17. Benefits of robots in the OR: • Precise interventions • Can perform minimal invasive surgery • Use for robotic surgery • Tracking and navigation needed for Augmented Reality

  18. Problems: • Expensive devices • Suitable procedures must be found and surgical approach has to be optimized for robots • Force-Feedback may be helpful in robotic surgery • Extensive training and experience mandatory for use

  19. Future developments: • Faster overview • Autonomous image recognition • Faster processing of medical data • Better navigation • Skilled and trained users

  20. Thank you for your attention!

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