Apparatus and method for ablating tissue

Details Apparatus and method for ablating tissue Apparatus and method for ablating tissue

A - Human Necessities

61

B

A61B 8/00 (2006.01) A61B 18/18 (2006.01)

Patent

CA 2377583

A control system (334) alters one or more characteristics of an ablating element (306) to ablate tissue. In one aspect, the control system (334) delivers energy nearer to the surface of the tissue by changing the frequency or power. In another aspect, the ablating element (306) delivers focused ultrasound which is focused in at least one dimension. The ablating device (306) may also have a number of ablating elements with different characteristics such as focal length.

L'invention concerne un système de commande (334) modifiant une ou plusieurs caractéristiques d'un élément d'ablation (306) servant à l'ablation de tissus. Dans un de ces aspects, l'élément d'ablation applique de l'énergie plus près de la surface des tissus en modifiant la fréquence ou la puissance. Dans un autre aspect, l'élément d'ablation (306) applique un ultrason focalisé dans au moins une dimension. Le dispositif d'ablation (306) peut, en outre, comporter un certain nombre d'éléments d'ablation présentant des caractéristiques différentes, la longueur focale notamment.

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