Cavity ablation apparatus and method

A - Human Necessities – 61 – B

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A61B 18/14 (2006.01)

Patent

CA 2603162

Ablation devices and associated methods are provided for use in ablating the margin of a cavity such as a surgical or body cavity. The ablation apparatus includes an integral or connected elongate probe and an elongate sleeve. Suction can be applied with a vacuum source operably connected to the proximal end region of the sleeve, whereby tissue of the surgical cavity is drawn against the surface of the sleeve. The probe includes one or more electrodes disposed at the probe's distal end region, for ablating tissue when the electrode(s) are activated to create an ablated margin of tissue at least partially surrounding the surgical cavity.

L'invention concerne des dispositifs d'ablation et des procédés associés pour l'ablation de la marge d'une cavité de type cavité chirurgicale ou corporelle. L'appareil d'ablation comprend une sonde allongée et un manchon allongé raccordés ou montés solidaires. Une aspiration peut être appliquée par une source d'aspiration fonctionnellement reliée à la région d'extrémité proximale du manchon, de façon que les tissus de la cavité chirurgicale soient aspirés contre la surface du manchon. La sonde comprend une ou plusieurs électrodes disposées au niveau de la région de son extrémité distale, qui sont conçues pour pratiquer l'ablation de tissus lorsqu'elles sont activées afin que soit créée une marge de tissus ablatée entourant au moins partiellement la cavité chirurgicale.

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