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Updated: Jun 28, 2026
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Automatic Surgery in Transcatheter Aortic Valve Replacement Using Augmented Reality
Published on: August 9, 2024
Robotic system for transapical aortic valve replacement with MRI guidance
Ming Li1, Dumitru Mazilu, Keith A Horvath
1Cardiothoracic Surgery Research Program, National Heart, Lung and Blood Institute, National Institutes of Health, Bethesda, Maryland, USA. lim2@mail.nih.gov
Medical Image Computing and Computer-Assisted Intervention : MICCAI ... International Conference on Medical Image Computing and Computer-Assisted Intervention
|November 6, 2008
Summary
We developed a robotic system for transapical beating heart aortic valve replacement (AVR) using real-time MRI guidance. This system assists surgeons in performing complex valve procedures with enhanced precision and control.
Area of Science:
- Robotics
- Medical Imaging
- Cardiovascular Surgery
Background:
- Transapical aortic valve replacement (AVR) is a complex procedure.
- Minimally invasive techniques are crucial for improving patient outcomes.
- Real-time guidance systems can enhance surgical precision.
Purpose of the Study:
- To develop and evaluate a novel robotic surgical system for transapical beating heart AVR.
- To integrate real-time magnetic resonance imaging (rtMRI) for interactive surgical guidance.
- To enable remote manipulation and precise delivery of bioprosthetic valves.
Main Methods:
- Development of a compound MRI robot with positioning and valve delivery modules.
- Integration of a 5-DOF Innomotion arm for valve access and a 3-DOF robotic module for valve delivery.
- Utilizing interactive real-time MRI for procedural planning and robotic control.
- Preliminary evaluation of the robotic system's functional parameters.
Main Results:
- The developed robotic system successfully integrates rtMRI guidance.
- The system provides precise control over valve delivery.
- The 5-DOF and 3-DOF modules offer necessary dexterity for the procedure.
- Preliminary evaluations indicate sufficient capability for surgical assistance.
Conclusions:
- The robotic surgical system shows promise for transapical beating heart AVR.
- rtMRI guidance enhances the precision and safety of robotic valve replacement.
- The system has the potential to assist surgeons in complex cardiovascular interventions.
