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Updated: Feb 5, 2026
09:01
Minimally Invasive Endoscopic Intracerebral Hemorrhage Evacuation
Published on: October 15, 2021
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MR-conditional steerable needle robot for intracerebral hemorrhage removal
Yue Chen1, Isuru S Godage2, Saikat Sengupta3
1Department of Mechanical Engineering, University of Arkansas, Fayetteville, AR, USA. yc039@uark.edu.
International Journal of Computer Assisted Radiology and Surgery
|September 3, 2018
Summary
A new MRI-guided robotic needle system offers a precise and minimally invasive approach for treating intracerebral hemorrhage (ICH). This technology accurately targets and evacuates simulated brain bleeds, potentially reducing complications from traditional stroke surgeries.
Area of Science:
- Neurosurgery
- Medical Robotics
- Biomedical Engineering
Background:
- Intracerebral hemorrhage (ICH) is a severe form of stroke with high mortality.
- Conventional surgical methods for ICH cause significant damage to healthy brain tissue, leading to complications.
Purpose of the Study:
- To develop and evaluate a novel MR-conditional steerable needle robot for minimally invasive ICH treatment.
- To assess the robot's targeting accuracy, MR-compatibility, and efficacy in simulated ICH evacuation.
Main Methods:
- Fabrication of a novel MR-conditional steerable needle robotic system powered by a custom pneumatic motor.
- Testing of the robot's targeting accuracy and MR-conditionality.
- Performance evaluation through phantom evacuation experiments under real-time MR image guidance.
Main Results:
- The robotic system demonstrated MR-conditional hardware.
- Bench-top tests showed a targeting accuracy of 1.26 ± 1.22 mm.
- Real-time MRI guidance enabled successful evacuation of an 11.3 ml phantom hematoma in 9 minutes.
Conclusions:
- An MRI-guided steerable needle robotic system presents a feasible method for ICH treatment.
- The system offers precise needle guidance and allows for intraoperative assessment of surgical outcomes.
- This approach may reduce tissue damage and improve patient outcomes compared to conventional techniques.
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