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Updated: Mar 15, 2026
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Magnetically-Assisted Remote Controlled Microcatheter Tip Deflection under Magnetic Resonance Imaging
Published on: April 4, 2013
12.9K
A novel magnetic-driven tissue retraction device for minimally invasive surgery
Margherita Brancadoro1, Selene Tognarelli1, Gastone Ciuti1
1a Scuola Superiore Sant'Anna , The BioRobotics Institute , Pontedera , Pisa , Italy.
Summary
This study introduces a novel magnetic device for tissue retraction in minimally invasive surgery (MIS), offering a flexible and reliable solution. The system demonstrated effectiveness and ease of use in preclinical trials.
Area of Science:
- Biomedical Engineering
- Surgical Devices
- Minimally Invasive Surgery
Background:
- Minimally invasive surgery (MIS) requires innovative tools for improved patient outcomes.
- Current tissue retraction methods can be limited by fixed access ports.
Purpose of the Study:
- To design and validate a novel magnetic-based tissue retractor for MIS.
- To enhance flexibility, safety, and reduce invasiveness in surgical procedures.
Main Methods:
- Developed an intra-abdominal magnetic module coupled with an extracorporeal system.
- Incorporated a miniaturized adjustable mechanism for precise tissue grasper positioning.
- Utilized a multiphysics approach for design optimization based on anatomical and engineering constraints.
Main Results:
- Demonstrated system functionality and effectiveness in in-vitro and ex-vivo settings.
- Achieved promising results in terms of maneuverability and retraction stability.
- Successfully completed a full retraction procedure in an animal model.
Conclusions:
- The magnetic retraction system is intuitive, reliable, and robust.
- The device is well-suited for various minimally invasive surgery applications.
- This innovation offers a safer and less invasive alternative for tissue retraction.
