Radio-frequency ablation system using multiple electrodes

Details Radio-frequency ablation system using multiple electrodes Radio-frequency ablation system using multiple electrodes

A - Human Necessities

61

B

A61B 18/14 (2006.01) A61B 18/12 (2006.01)

Patent

CA 2458676

Efficient ablation with multiple electrodes is obtained by rapidly switching electric power to the electrodes. In this way, shielding effects caused by the field around each electrode which would otherwise create cool spots, are avoided. Complex inter-electrode current flows are also avoided.

L'invention concerne un système d'ablation efficace fonctionnant à l'aide d'électrodes multiples subissant une commutation rapide d'énergie électrique. De cette façon, il est possible d'éviter des effets d'écran provoqués par le champ autour de chaque électrode, qui autrement créeraient des points froids, ainsi que l'occurrence d'écoulements complexes de courant entre électrodes.

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