Ablation catheters having anchoring capability of using same

Details Ablation catheters having anchoring capability of using same Ablation catheters having anchoring capability of using same

A - Human Necessities

61

B

A61B 18/14 (2006.01)

Patent

CA 2569578

A catheter includes a shaft having a distal end, an expandable member secured to the distal end, and an anchoring device positioned distal to the expandable member. The anchoring device having a delivery configuration and a deployed configuration. By way of one example, the anchoring device may comprise a shaped (e.g., helical) wire, the anchoring device having a cross-sectional dimension that allows it to secure itself inside a pulmonary vein when in its deployed configuration.

Un cathéter comprend une tige ayant une extrémité distale, un organe expansif fixé à l'extrémité distale et un dispositif d'ancrage positionne de manière distale par rapport à l'organe expansif. Le dispositif d'ancrage ayant une configuration d'alimentation et une configuration déployée. A titre d'exemple, le dispositif d'ancrage peut comprendre un fil formé (par exemple en hélice), le dispositif d'ancrage ayant une dimension de section transversale qui permet de se fixer lui-même à l'intérieur d'une veine pulmonaire quand il est en position déployée.

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