Journal
INTERNATIONAL JOURNAL OF MEDICAL ROBOTICS AND COMPUTER ASSISTED SURGERY
Volume 12, Issue 3, Pages 461-477Publisher
WILEY
DOI: 10.1002/rcs.1760
Keywords
Image guided; automated robot; breast cancer; MRI compatible; needle insertion; biopsy
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Background The IGAR (Image-guided Automated Robot) is a robotic platform capable of performing highly accurate clinical interventions under image guidance. The IGAR is unique in that it demonstrates MRI compatibility and maintains safe operation, adequate shielding, high image quality, and accurate robotic control even while in an imaging environment. The IGAR is initially intended for breast biopsy. Methods Tests for projectile hazards, heating, signal-to-noise ratio loss, and geometric distortion were used to demonstrate MR compatibility. Accuracy and repeatability of the robotic system were tested on benchtop models to establish a baseline of precision. Results The IGAR averaged an accuracy of 0.34 mm and a repeatability of 0.2 mm. There was no significant distortion attributable to the robot, no projectile risk, and no unacceptable levels of heating. Conclusion The IGAR system is safe and effective in an MRI environment Copyright (C) 2016 John Wiley & Sons, Ltd.
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