NDLI: Ultrasonic motor driving method for EMI-free image in MR image-guided surgical robotic system

Content Provider	IEEE Xplore Digital Library
Author	Suzuki, T. Hongen Liao Kobayashi, E. Sakuma, I.
Copyright Year	2007
Description	Author affiliation: Tokyo Women's Med. Univ., Tokyo (Suzuki, T.)
Abstract	Electromagnetic interference (EMI) between magnetic resonance (MR) imager and surgical manipulator is a severe problem, that degrades the image quality, in MR image- guided surgical robotic systems. We propose a novel motor driving method to acquire noise-free image. Noise generation accompanied by motor actuation is permitted only during the "dead time" when the MR imager stops signal acquisition to wait for relaxation of protons. For the synchronized control between MR imager and motor driving system, we adopted a radio-frequency pulse signal detected by a special antenna as a synchronous trigger. This method can be applied widely because it only senses a part of the scanning signal and requires neither hardware nor software changes to the MR imager. The evaluation results showed the feasibility of RF pulse as a synchronous trigger and the availability of sequence-based noise reduction method.
Starting Page	522
Ending Page	527
File Size	606025
Page Count	6
File Format	PDF
ISBN	9781424409112
DOI	10.1109/IROS.2007.4399391
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-10-29
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Surgery Robots Synchronous motors Electromagnetic interference Magnetic noise Radio frequency Magnetic resonance Manipulators Degradation Image quality
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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