Magnetic resonance contrast medium using polyethylene glycol...

Details Magnetic resonance contrast medium using polyethylene glycol... Magnetic resonance contrast medium using polyethylene glycol...

A - Human Necessities

61

K

A61K 49/00 (2006.01) A61B 5/055 (2006.01) G01R 33/28 (2006.01)

Patent

CA 2652264

This invention provides a technique that, while providing safety and quantitativity, can continuously acquire magnetic resonance images at short repeat time intervals. Magnetic resonance signals are continuously acquired by applying excitation pulses at repeat time intervals of not more than 60 sec using a magnetic resonance contrast medium containing polyethylene glycol containing 13C in a higher proportion than natural abundance, or a compound labeled with the polyethylene glycol.

L'invention concerne une technique permettant d'acquérir en continu des images par résonance magnétique à des intervalles de temps de répétition courts, tout en conservant un bon niveau de sécurité et de rendement. Les signaux de résonance magnétique sont acquis en continu par application d'impulsions d'excitation à des intervalles de temps de répétition n'excédant pas 60 s, au moyen d'un agent de contraste pour résonance magnétique contenant du polyéthylène-glycol qui renferme du C13 dans une proportion supérieure à la proportion naturelle, ou contenant un composé marqué avec le polyéthylène-glycol.

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