Apparatus and method for treating female urinary incontinence

A - Human Necessities – 61 – N

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A61N 1/05 (2006.01) A61B 18/14 (2006.01) A61N 1/06 (2006.01)

Patent

CA 2424175

Apparatus for remodeling in the urinary tract of a human female comprising a remodeling device (61) having a shaft (62) with a profile and with proximal and distal extremities (63, 63). A handle (71) is secured to the proximal extremity of the shaft (62). Pluralities of needle electrodes (102, 104) are carried by the distal extremity of the shaft (62) and are disposed circumferentially of the shaft (62). A pusher is carried by the handle for moving the needle electrodes from a retracted position in which they are within the profile of the shaft (62). A pump (147) is connected to the handle for supplying a cooling liquid to the distal extremity of the shaft so that it exits from the shaft in the vicinity of the needle electrodes (102, 104). An RF generator (156) is coupled to the handle (71) and to the needle electrodes (102, 104) for supplying radio frequency energy to the needle electrodes (102, 104).

L'invention concerne un appareil permettant le remodelage dans le tractus urinaire d'une femme, qui comprend un dispositif de remodelage (61) possédant une tige (62) avec un profil et des extrémités proximale et distale (63, 63). Une poignée (71) est fixée à l'extrémité proximale de la tige (62). Plusieurs électrodes-aiguilles (102, 104) sont supportées par l'extrémité distale de la tige (62) et sont disposées à la circonférence de cette dernière (62). Un poussoir est supporté par la poignée pour déplacer les aiguilles des électrodes à partir d'une position rétractée dans laquelle elles s'étendent transversalement derrière le profil de la tige (62). Une pompe (147) est reliée à la poignée pour amener un liquide de refroidissement à l'extrémité distale de la tige de manière à ce qu'il sorte de la tige à proximité des électrodes-aiguilles (102, 104). Un générateur RF (156) est couplé à la poignée (71) et aux électrodes-aiguilles (102, 104) pour alimenter en énergie radiofréquence les électrodes-aiguilles (102, 104).

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