Microstrip coil designs for mri devices

G - Physics – 01 – R

Patent

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Details

G01R 33/34 (2006.01)

Patent

CA 2645229

A microstrip-based RF coil for use in an MRI apparatus constructed to perform human head and extremity imaging according to one embodiment of the present invention includes a coil former defined by an inner core member and a shield support that surrounds the inner core member. An outer surface of the shield support supports a conductive segmented shield and a plurality of conductive strip lines are disposed on an inner surface of the inner core module and extend parallel to a longitudinal axis thereof. According to one aspect of the present invention, all of the strip lines are not homogenous so as to introduce asymmetry into the coil design.

L'invention concerne une bobine RF à microruban destinée à un appareil d'IRM réalisé pour effectuer de l'imagerie des extrémités et de la tête du corps humain, comprenant, selon un mode de réalisation de la présente invention, une armature de bobine comportant un cAEur intérieur et un support blindé qui entoure le cAEur intérieur. Une surface externe du support blindé supporte un blindage conducteur segmenté et une pluralité de rubans conducteurs disposés sur une surface intérieure du cAEur intérieur et s'étendant parallèlement à un axe longitudinal de celui-ci. Selon un des aspects de la présente invention, la distribution des rubans n'est pas homogène afin d'introduire une asymétrie dans la conception de la bobine.

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