Radiofrequency ablation system using multiple-prong probes

Details Radiofrequency ablation system using multiple-prong probes Radiofrequency ablation system using multiple-prong probes

A - Human Necessities

61

B

A61B 18/14 (2006.01) A61B 18/12 (2006.01) A61B 18/16 (2006.01)

Patent

CA 2575792

Efficient ablation with multiple prong electrodes is obtained by electrically isolating the prongs from each other and rapidly switching electric power between the prongs, between a prong and a ground pad, or both. In this way, power distribution to a tumor can be controlled efficiently without the need to change probe geometry.

La présente invention concerne un système efficace d'ablation utilisant des électrodes à plusieurs fourchons. A cet effet, on crée une isolation électrique entre les fourchons et on commute rapidement l'alimentation d'un fourchon à l'autre, d'un fourchon à une mise à la terre, ou entre les deux. Cela permet de gérer efficacement la distribution de l'électricité à une tumeur sans qu'il y ait besoin de changer de géométrie des sondes.

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