Mri phase visualization of interventional devices

Details Mri phase visualization of interventional devices Mri phase visualization of interventional devices

G - Physics

01

R

G01R 33/483 (2006.01) G01R 33/28 (2006.01) G01R 33/32 (2006.01)

Patent

CA 2699721

Imaging a device in a magnetic resonance imaging system includes inserting a device having a conductive coil assembly thereon into a subject, obtaining a magnetic resonance image of the subject that includes signal phase variations, determining a position of the device based on discontinuities in the signal phase variations, and displaying an image representation of the device superimposed on a reference image based upon the determined position.

La formation d'une image d'un dispositif dans un système d'imagerie par résonance magnétique comprend l'insertion d'un dispositif, sur lequel est disposé un ensemble de bobine conductrice, dans un sujet ; l'obtention par résonance magnétique d'une image du sujet qui comprend les variations de phase du signal ; la détermination d'une position du dispositif sur la base de discontinuités dans les variations de phase du signal ; et l'affichage d'une représentation d'image du dispositif superposée à une image de référence sur la base de la position déterminée.

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