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Magnetically-Assisted Remote Controlled Microcatheter Tip Deflection under Magnetic Resonance Imaging
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Development of active catheter, active guide wire and micro sensor systems.

Y Haga1, T Mineta, K Totsu

  • 1Faculty of Engineering, Tohoku University; Sedai, Japan - haga@cc.mech.tohoku.ac.jp.

Interventional Neuroradiology : Journal of Peritherapeutic Neuroradiology, Surgical Procedures and Related Neurosciences
|July 29, 2010
PubMed
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Snake-like active catheters and guide wires offer advanced minimally invasive diagnosis and therapy. Integrated control chips and new sensors enable precise, multi-directional movement for delicate interventions.

Area of Science:

  • Medical Devices
  • Minimally Invasive Surgery
  • Robotics in Medicine

Background:

  • Traditional catheters have limitations in maneuverability and sensory feedback.
  • Minimally invasive procedures require enhanced precision and control.

Purpose of the Study:

  • To develop advanced active catheters and guide wires for improved minimally invasive diagnosis and therapy.
  • To integrate sophisticated sensors and control systems for enhanced catheter functionality.

Main Methods:

  • Development of snake-like active catheters and guide wires with multi-directional movement (bending, torsion, extension).
  • Integration of communication and control integrated circuit (IC) chips to reduce lead wires.
  • Incorporation of ultra-miniature sensors: fiber-optic pressure sensor, forward-looking ultrasonic probe, and magnetic position/orientation sensor.

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Last Updated: Jun 10, 2026

Magnetically-Assisted Remote Controlled Microcatheter Tip Deflection under Magnetic Resonance Imaging
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Published on: April 4, 2013

Non-fluoroscopic Catheter Tracking for Fluoroscopy Reduction in Interventional Electrophysiology
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Non-fluoroscopic Catheter Tracking for Fluoroscopy Reduction in Interventional Electrophysiology

Published on: May 26, 2015

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Main Results:

  • Active catheters and guide wires exhibit enhanced mobility, mimicking snake-like movements.
  • Reduced complexity in control systems due to integrated IC chips.
  • Successful development and integration of advanced miniature sensors near the catheter tip.

Conclusions:

  • The developed active catheters and guide wires significantly enhance minimally invasive diagnostic and therapeutic capabilities.
  • Integrated sensors and advanced mobility provide detailed real-time information, enabling delicate and effective interventions.
  • These advancements represent a significant step forward in catheter-based medical procedures.