Branched structures for supporting multiple electrode elements

Details Branched structures for supporting multiple electrode elements Branched structures for supporting multiple electrode elements

A - Human Necessities

61

B

A61B 17/94 (2006.01) A61B 18/04 (2006.01) A61B 18/14 (2006.01) A61M 25/10 (2006.01) A61M 25/01 (2006.01)

Patent

CA 2276755

A catheter assembly comprises a first branch (44) having a first axis, a second branch (32) extending in a non-parallel relationship with respect to the first axis and at least one electrode (28) carried by the second branch body (32). In use, the first branch body (44) can be located within a pulmonary vein within the left atrium, while the electrode (28) carried by the second branch body (32) is located in contact with endocardial tissue outside the pulmonary vein. Ablation energy can be transmitted from the electrode (28) to contacted endocardial tissue while the first branch (44) body is located within the pulmonary vein.

L'invention porte sur un cathéter comprenant: une première branche (44) présentant un premier axe; une deuxième branche (32) présentant un deuxième axe non parallèle au premier; et au moins une électrode (28) portée par le corps de la deuxième branche (32). Lors de l'utilisation, le corps de la première branche (44) peut être disposé dans une veine pulmonaire à l'intérieur de l'oreillette gauche, tandis que l'électrode (28) portée par le corps de la deuxième branche (32) se trouve en contact avec le tissu endocardiaque, à l'extérieur de la veine pulmonaire. On peut transmettre de l'énergie d'ablation à partir de l'électrode (28) aux tissus endocardiaques alors que le corps de la première branche (44) se trouve à l'intérieur de la veine pulmonaire.

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