Main magnet perforated eddy current shield for a magnetic resonance imaging device
AssigneeKoninklijke Philips Electronics N.V.
InventorsNicolaas Roozen, Martijn La Grange, David Biloen
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Abstract
The present invention relates to a magnetic resonance imaging (MRI) device. The basic components of an MRI device are the main magnet system (2), the gradient system (3), the RF system and the signal processing system. According to the present invention, the magnetic resonance imaging (MRI) device has an eddy current shield system, wherein the eddy current shield system comprises at least one perforated eddy current screen (13, 14), and wherein the or each perforated eddy current screen (13, 14) is assigned to the main magnet system (2).
Claims15
A magnetic resonance imaging device, comprising at least:
- a) a main magnet system for generating a steady magnetic field in a measuring space of the magnetic resonance imaging device;
- b) a gradient system for generating a magnetic gradient field in said measuring space;
- and
- c) an eddy current shield system;
- wherein the eddy current shield system comprises at least one perforated eddy current screen, wherein the or each perforated eddy current screen is assigned to the main magnet system.
Dependencies are inferred from the claim text.