MRI compatibility of robot actuation techniques--a comparative study.

Gregory S. Fischer; Axel Krieger; Iulian Iordachita; Csaba Csoma; Louis L. Whitcomb; Fichtinger Gabor

MRI compatibility of robot actuation techniques--a comparative study.

Gregory S. Fischer, Axel Krieger, Iulian Iordachita, Csaba Csoma, Louis L. Whitcomb, Fichtinger Gabor

School of Medicine

Research output: Chapter in Book/Report/Conference proceeding › Chapter

69 Scopus citations

Abstract

This paper reports an experimental evaluation of the following three different MRI-compatible actuators: a Shinsei ultrasonic motor a Nanomotion ultrasonic motor and a pneumatic cylinder actuator. We report the results of a study comparing the effect of these actuators on the signal to noise ratio (SNR) of MRJ images under a variety of experimental conditions. Evaluation was performed with the controller inside and outside the scanner room and with both 1.5T and 3T MRI scanners. Pneumatic cylinders function with no loss of SNR with controller both inside and outside of the scanner room. The Nanomotion motor performs with moderate loss of SNR when moving during imaging. The Shinsei is unsuitable for motion during imaging. All may be used when motion is appropriately interleaved with imaging cycles.

Original language	English (US)
Title of host publication	Medical image computing and computer-assisted intervention : MICCAI ... International Conference on Medical Image Computing and Computer-Assisted Intervention
Pages	509-517
Number of pages	9
Volume	11
Edition	Pt 2
State	Published - 2008

ASJC Scopus subject areas

Medicine(all)

Cite this

MRI compatibility of robot actuation techniques--a comparative study. / Fischer, Gregory S.; Krieger, Axel; Iordachita, Iulian et al.

Medical image computing and computer-assisted intervention : MICCAI ... International Conference on Medical Image Computing and Computer-Assisted Intervention. Vol. 11 Pt 2. ed. 2008. p. 509-517.

Research output: Chapter in Book/Report/Conference proceeding › Chapter

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MRI compatibility of robot actuation techniques--a comparative study.

Abstract

ASJC Scopus subject areas

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