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

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Presentation transcript:

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

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

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…)

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Thank you for your attention!