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Updated: Sep 26, 2025

Remote Magnetic Navigation for Accurate, Real-time Catheter Positioning and Ablation in Cardiac Electrophysiology Procedures
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An Endovascular Catheterization Robotic System Using Collaborative Operation with Magnetically Controlled Haptic

Xinming Li1, Shuxiang Guo1,2, Peng Shi1

  • 1Graduate School of Engineering, Kagawa University, Takamatsu 761-0396, Japan.

Micromachines
|April 23, 2022
PubMed
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This summary is machine-generated.

A new robot-assisted system enhances endovascular catheterization surgery with improved collaborative control and magnetic haptic feedback. This advanced robotic system reduces surgeon workload and surgery time, improving patient outcomes.

Area of Science:

  • Robotics
  • Medical Devices
  • Surgical Technology

Background:

  • Robot-assisted surgery is crucial for endovascular catheterization, demanding precise control and accurate force feedback.
  • Existing systems may lack optimal collaborative operation and advanced haptic feedback capabilities.

Purpose of the Study:

  • To develop an endovascular catheterization robotic system (ECRS) for enhanced collaborative operation and haptic force feedback.
  • To improve surgeon ergonomics and operating safety through innovative design features.

Main Methods:

  • Designed ergonomic master-side operating handles for natural surgeon interaction.
  • Developed a novel magnetically controlled haptic force feedback structure using hydrogel and magnetorheological (MR) fluid.
  • Integrated a unique tremor-reduction mechanism to enhance surgical precision and safety.
Keywords:
collaborative operationendovascular catheterization robotic system (ECRS)magnetically controlled haptic (MCH) force feedbackrobot-assisted surgery

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Main Results:

  • The ECRS demonstrated high tracking accuracy with an average translation error of 0.94 mm and rotation error of 0.89 degrees.
  • In vitro experiments confirmed that the haptic feedback significantly reduced surgeon workload and decreased surgery completion time.
  • The system's performance validates the effectiveness of the developed robotic system and its feedback mechanisms.

Conclusions:

  • The developed ECRS successfully improves collaborative operation and provides effective haptic force feedback for endovascular catheterization.
  • The magnetically controlled haptic feedback and tremor-reduction features offer significant advantages in surgical performance and safety.
  • This research provides a foundation for future advancements in collaborative robotics and magnetic force feedback in minimally invasive surgery.