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Updated: May 24, 2025

Reduction of Radiation Exposure during Endovascular Treatment of Peripheral Arterial Disease Combining Fiber Optic RealShape Technology and Intravascular Ultrasound
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Enhanced Guidance for Endovascular Robotics.

Dennis Kundrat, Alfred Schell, Jelle Bijlsma

    Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference
    |March 5, 2025
    PubMed
    Summary

    This study introduces an enhanced guidance framework for the CathBot robotic system, improving navigation accuracy in endovascular interventions. The new system integrates MRI and fluoroscopy for better visual and haptic guidance, reducing radiation exposure.

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    Area of Science:

    • Medical Robotics
    • Endovascular Interventions
    • Medical Imaging

    Background:

    • Current robotic endovascular procedures rely on 2D fluoroscopy for navigation, lacking tactile feedback.
    • This limitation hinders precision and safety in minimally invasive treatments.

    Purpose of the Study:

    • To develop and assess an improved guidance framework for the MR-compatible CathBot endovascular robot.
    • To integrate multi-modal imaging (MRI and fluoroscopy) and vision-based haptic feedback for enhanced surgical navigation.

    Main Methods:

    • Developed a novel guidance framework integrating real-time fluoroscopy and MRI image acquisition and processing.
    • Integrated the imaging framework into the CathBot robotic platform's control architecture.
    • Implemented vision-based haptic guidance alongside visual navigation.

    Main Results:

    • Demonstrated the feasibility of the integrated guidance framework through assessment experiments.
    • Showcased enhanced navigation capabilities compared to traditional methods.
    • Validated the potential for real-time MR-guided robot-assisted interventions.

    Conclusions:

    • The improved guidance framework significantly enhances robotic endovascular intervention capabilities.
    • This advancement represents a key step towards safer, more precise MR-guided procedures.
    • The system promises reduced radiation exposure and improved workflow efficiency.