System and method for magnetic-resonance-guided...

A - Human Necessities – 61 – B

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A61B 5/055 (2006.01)

Patent

CA 2349235

A system, and method for using magnetic resonance imaging to increase the accuracy of electro-physiologic procedures is disclosed. The system in its preferred embodiment provides an invasive combined electro-physiologic, an imaging antenna catheter (1) which includes an RF antenna (3) for receiving MR signals, and diagnostic electrodes (11) for receiving electrical potentials. The combined electrophysiology, and imaging antenna catheter (1) is used in combination with an MR imaging scanner to guide, to provide visualization during electro-physiologic diagnostic or therapeutic procedures.

L'invention concerne un système et une technique qui utilisent l'imagerie par résonance magnétique pour augmenter la précision des procédures électrophysioloques. Selon le mode préféré de l'invention, le système fournit un cathéter (1) à antenne d'imagerie et d'électrophysiologie combiné invasif, comprenant une antenne RF (3) destinée à recevoir des signaux de résonance magnétique, et des électrodes diagnostiques (11) destinées à recevoir des potentiels électriques. Le cathéter (1) à antenne d'imagerie et d'électrophysiologie combiné est utilisé en combinaison avec un dispositif de balayage d'imagerie à résonance magnétique, afin de guider et de visualiser les procédures thérapeutiques ou diagnostiques électrophysiologiques.

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