Method and apparatus for high-gain magnetic resonance imaging

G - Physics – 01 – V

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G01V 3/00 (2006.01)

Patent

CA 2626678

A method and apparatus for Magnetic Resonance Imaging with specialized imaging coils possessing high Signal-to-Noise-Ratio (SNR). Imaging and/or Radio Frequency receiving coils include a ballistic electrical conductor such as carbon nanotubes, the ballistic electrical conductor having a resistance that does not increase significantly with length. Due to their enhanced SNR properties, system designs with smaller static magnetic field strength can be constructed for the same quality of imaging, leading to substantial reductions in system size and cost, as well as to enhanced imaging with existing MRI systems.

Cette invention concerne un procédé et un appareil pour imagerie par résonance magnétique avec bobines d'imagerie spécialisées possédant un rapport signal-bruit (SNR) élevé. Les bobines d'imagerie et/ou de réception de radiofréquences comprennent un conducteur électrique balistique tel que des nanotubes de carbone, le conducteur électrique balistique présentant une résistance qui n'augmente pas considérablement avec la longueur. En raison de leurs propriétés SNR améliorées, des modèles de systèmes à plus petite intensité du champ magnétique statique peuvent être fabriqués pour la même qualité d'imagerie, ce qui réduit substantiellement la taille et le coût des systèmes et améliore l'imagerie obtenue avec les systèmes IRM existants.

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