A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
A61B 18/18 (2006.01) A61B 18/14 (2006.01)
Patent
CA 2442402
An endoscopic ablation system is provided for use with a flexible endoscope. The endoscopic ablation system includes a support member (26) for supporting at least two electrodes (28) that are connected to a RF generator. The electrodes (28) have a shape, size, and spacing that provide ablation between the electrodes, while minimizing ablation of tissue directly underneath the electrodes. The system can also include a sheath that fits over a flexible endoscope, and a flexible coupling can join the support member to the sheath to facilitate intubation. The support member (26) can include a side opening, and the sheath can include a seal, so that the aspiration means of the endoscope may be used to evacuate the air from inside the body lumen and pull the tissue to be treated into intimate contact with the electrodes.
L'invention concerne un système d'ablation endoscopique utilisé avec un endoscope flexible. Ledit système d'ablation endoscopique comprend un élément de support (26) destiné à supporter au moins deux électrodes (28) connectées à un générateur R.F. Lesdites électrodes (28) possèdent une forme, une taille et un espacement permettant d'effectuer une ablation entre celles-ci tout en réduisant l'ablation du tissu situé directement en-dessous desdites électrodes. Le système peut également comprendre une gaine ajustée sur l'endoscope flexible, et un couplage flexible permet de relier l'élément de support et ladite gaine afin de faciliter l'intubation. L'élément de support (26) peut comprendre une ouverture latérale, et la gaine peut comprendre un joint permettant d'utiliser les moyens d'aspiration de l'endoscope pour évacuer l'air se trouvant dans une lumière du corps et d'amener le tissu à traiter en contact étroit avec les électrodes.
Ethicon Endo-Surgery Inc.
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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