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Automated Catheter Navigation With Electromagnetic Image Guidance.

Herman A Jaeger, Pietro Nardelli, Conor O'Shea

    IEEE Transactions on Bio-Medical Engineering
    |April 1, 2017
    PubMed
    Summary
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    This study introduces an automated catheter system for improved endoscopic control. The novel remote-controlled bronchial catheter uses electromagnetic tracking for precise navigation in medical procedures.

    Area of Science:

    • Medical Devices
    • Robotics in Medicine
    • Minimally Invasive Surgery

    Background:

    • Catheter control is manual, limiting precision in complex procedures.
    • Current methods often restrict movement to a single plane.
    • Enhanced manipulation is crucial for advanced endoscopic interventions.

    Purpose of the Study:

    • To develop and evaluate an automated catheter tensioning system.
    • To improve catheter tip manipulation and navigation accuracy.
    • To integrate real-time tracking and image guidance for endoscopic procedures.

    Main Methods:

    • Developed a closed-loop automated system for a custom bronchial catheter.
    • Utilized an electromechanical drive train with four pull wires for steering.

    Related Experiment Videos

  • Integrated electromagnetic tracking for real-time catheter tip localization.
  • Employed 3D Slicer for image guidance and a joystick for control.
  • Incorporated force sensing load cells to monitor applied tension.

    • Main Results:

    • Demonstrated successful navigation to predefined targets in a lung model and animal study.
    • Achieved average targeting times of 29 seconds (lung model) and 10 seconds (animal study).
    • Validated the system's capability for remote-controlled bronchial catheter operation.

    Conclusions:

    • The automated system significantly enhances catheter manipulation capabilities.
    • This novel remote-controlled bronchial catheter with electromagnetic tracking is the first reported of its kind.
    • The technology holds significant potential for advancing future endoscopic and catheter-based procedures.