Catheter with flexible pre-shaped tip section

Details Catheter with flexible pre-shaped tip section Catheter with flexible pre-shaped tip section

A - Human Necessities

61

M

A61M 25/01 (2006.01) A61B 18/14 (2006.01) A61M 15/00 (2006.01)

Patent

CA 2622742

A catheter for mapping and/or ablating continuous linear or circumferential lesions at the intersection of a generally flat structure, such as the left atrium, and the ostium of generally cavernous regions of the heart, including pulmonary vein and the pulmonary venous antrum, comprises a catheter body with an intermediate section that is connected to a tip assembly by a highly flexible section. The intermediate section has at its distal end a preformed section, e.g., a curve, the intermediate section being deflectable in a direction opposite to the curve. The highly flexible section presets the tip assembly at an off-axis and/or off-plane angles from the preformed section.

Cathéter permettant de procéder à la cartographie ou à l'ablation de lésions linéaires ou circonférentielles à l'intersection d'une structure généralement plate, telle que l'oreillette gauche, et l'orifice de régions généralement caverneuses du coeur telles que la veine pulmonaire et l'antre de la veine pulmonaire. Ce cathéter comprend un corps relié à un ensemble pointe par une section extrêmement souple. A son extrémité distale, la section intermédiaire comporte une partie préformée en forme de courbe et peut fléchir dans le sens opposé à ladite courbe. La partie hautement flexible permet de pré-régler l'ensemble pointe selon des angles d'axe ou de plan déportés par rapport à la section préformée.

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