Electrosurgical sphincter treatment apparatus

Details Electrosurgical sphincter treatment apparatus Electrosurgical sphincter treatment apparatus

A - Human Necessities

61

B

A61B 18/14 (2006.01) A61B 18/00 (2006.01)

Patent

CA 2319517

A sphincter treatment apparatus includes an introduction member to be introduced through the oesophagus, the member having at its distal end an expandible basket consisting of a plurality of flexible arms, the basket being introduced through the sphincter and then mechanically expanded to dilate the sphincter. The basket has sensing electrodes to detect myoelectric potentials, and hosts a number of energy delivering electrodes, needle shaped, that can exit the basket arms to be deployed into the sphincter muscle for treatment. Cooliant and electrolyte can be used.

Un appareil de traitement des sphincters comprend un élément d'introduction destiné à être introduit dans l'oesophage, cet élément comportant à son extrémité distale un ensemble extensible constitué de plusieurs bras souples, l'ensemble étant introduit dans le sphincter puis gonflé mécaniquement pour dilater le sphincter. L'ensemble est doté d'électrodes de détection qui détectent les potentiels myo-électriques et abrite plusieurs électrodes apportant de l'énergie qui ont la forme d'une aiguille et qui peuvent sortir les bras de l'ensemble devant être déployés dans le muscle du sphincter pour effectuer le traitement. Un agent de refroidissement et un électrolyte peuvent être utilisés.

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