MRI-compatible Hands-on Cooperative Control of a Pneumatically Actuated Robot
Ankur Kapoor1, Brad Wood, Dumitru Mazilu
1Clinical Center, National Institutes of Health, Bethesda, MD, USA.
Summary
This study introduces a cooperative MRI compatible robot system with a hands-on interface. The developed system enhances intuitive control for medical interventions, showing improved performance in phantom tasks.
Area of Science:
- Robotics
- Medical Imaging
- Interventional Radiology
Background:
- Magnetic Resonance Imaging (MRI) compatible robots are increasingly used for image-guided interventions.
- Shared control systems enhance user interaction with robotic instruments during complex procedures.
- Intuitive control is crucial, especially during the setup phases of interventions.
Purpose of the Study:
- To present a novel MRI compatible, hands-on cooperative robotic system.
- To develop and test an economical MRI compatible user input sensor.
- To evaluate the system's performance and potential for improving intervention setup.
Main Methods:
- Development of a hands-on cooperative control system utilizing an Innomotion robotic arm.
- Design and implementation of an economic MRI compatible user input sensor.
- Functional testing of the sensor and system under typical MRI-guided intervention conditions.
- Performance evaluation using phantom tasks.
Main Results:
- The developed MRI compatible user input sensor demonstrated functionality under application conditions.
- The hands-on cooperative system showed promise for intuitive instrument control.
- Performance improvements were observed in phantom tasks utilizing the new interface.
Conclusions:
- The integration of a hands-on interface enhances the usability of MRI compatible robots.
- The developed economic sensor is a viable component for cooperative MRI robotic systems.
- This approach shows potential for improving the efficiency and intuitiveness of MRI-guided interventions.


