MRI-Compatibility of a Manipulator using a Spherical Ultrasonic Motor
نویسنده
چکیده
We report the development of a manipulator using a spherical ultrasonic motor (SUSM) and the magnetic resonance imaging (MRI)-compatibility of the SUSM. The SUSM is constructed of three ring-shaped stators and a spherical rotor and has two or three degrees of freedom (DOF). In the present study, a novel SUSM composed of non-magnetic materials has been constructed. In an MRI-compatibility test of the SUSM in a 1.5 T MRI, the noise effects on MRI images of driving SUSM and not driving SUSM were observed. The results have shown a sharp image, though the quality of the image reduced. Terrible noise and deformation were not observed. On the other hand, the solution by a shield cloth was attempted. The results show some knowledge.
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تاریخ انتشار 2007