Related Experiment Video
Updated: Jun 19, 2026
08:31
A Simplified Stepwise Approach to Echo Guidance during Percutaneous Mitral Valve Repair
Published on: October 16, 2021
Using Robotics to Improve Transcatheter Edge-to-Edge Repair of the Mitral Valve.
Léa Pistorius1, Namrata U Nayar1, Phillip Tran1
1Department of Cardiac Surgery, Boston Children's Hospital, Harvard Medical School, Boston, MA, USA.
IEEE Robotics and Automation Letters
|June 18, 2026
Summary
Robotic assistance improves transcatheter mitral valve repair by simplifying control and enhancing precision. This technology reduces procedure time and clip placement errors, making complex interventions more accessible.
Area of Science:
- Cardiovascular Surgery
- Medical Robotics
- Biomedical Engineering
Background:
- Transcatheter mitral valve repair faces challenges due to manual system limitations and a steep learning curve.
- Current systems like the MitraClip™ require complex handle-based control.
Purpose of the Study:
- To investigate the efficacy of robotic actuation for transcatheter mitral valve edge-to-edge repair.
- To compare robotic versus manual control performance using a modified MitraClip™ system.
Main Methods:
- A robotic system was developed to control a transcatheter mitral valve repair device, replacing manual handle-based control with intuitive joint-based robotic control via a game controller.
- Performance was evaluated in a phantom model, comparing manual and robotic systems based on procedure duration and clip placement accuracy.
Main Results:
- The robotic system significantly reduced mean delivery time from 146.6s to 76.2s for the middle leaflet segment.
- Mean clip positioning error decreased from 3.1mm to 0.6mm with robotic assistance.
- Robotic control led to reduced procedural time and motion errors, with improved clip placement accuracy.
Conclusions:
- Robotic assistance can overcome the limitations of manual transcatheter mitral valve repair systems.
- The developed robotic platform offers a more reliable and user-friendly approach for complex transcatheter procedures.
- Robotic actuation holds promise for enhancing the safety and efficiency of mitral valve repair interventions.
Related Concept Videos
01:26Mitral Stenosis III: Medical Management
Mitral stenosis, a condition marked by the narrowing of the mitral valve, necessitates an integrated approach for effective management. This approach includes preventative measures, medical therapy, and surgical interventions to reduce symptoms and prevent complications.PreventionPrevention of mitral stenosis primarily focuses on reducing the incidence of bacterial infections, particularly streptococcal infections, which can lead to rheumatic fever and subsequent valvular damage. Timely...
01:25Mitral Regurgitation III: Medical Management
Mitral regurgitation (MR) is characterized by retrograde blood circulation from the left ventricle into the left atrium due to inadequate mitral valve closure. The severity of the condition, symptoms, and underlying cause determine treatment strategies.Monitoring and Pharmacological TreatmentPatients with mild to moderate MR typically do not need immediate intervention but regular monitoring to assess progression and guide treatment. Patients with mild MR should have an echocardiogram every 3-5...