System and method for delivering energy to tissue

Details System and method for delivering energy to tissue System and method for delivering energy to tissue

A - Human Necessities

61

B

A61B 18/04 (2006.01) A61B 17/94 (2006.01) A61B 18/02 (2006.01) A61B 18/18 (2006.01)

Patent

CA 2726934

Methods and apparatus for treating a patient include an ablation device for treating atrial fibrillation. The device includes a housing having proximal and distal ends, and an energy source adjacent the distal end of the housing. The energy source has an active portion and an inactive portion. The active portion is adapted to deliver energy to tissue when the energy source is energized. This creates a partial or complete zone of ablation in the tissue that blocks abnormal electrical activity, thereby reducing or eliminating atrial fibrillation in the patient. The inactive portion does not emit energy or emits substantially no energy when the energy source is energized.

Les procédés et l'appareil ci-décrits permettant de traiter un patient comprennent un dispositif d'ablation pour traiter la fibrillation atriale. Le dispositif selon l'invention comprend un boîtier ayant des extrémités proximale et distale, et une source d'énergie adjacente à l'extrémité distale du boîtier. La source d'énergie possède une partie active et une partie inactive. La partie active est conçue pour délivrer de l'énergie à un tissu quand la source d'énergie est mise sous tension. Ceci crée une zone d'ablation partielle ou complète dans le tissu qui bloque l'activité électrique anormale, réduisant ou éliminant ainsi la fibrillation atriale chez le patient. La partie inactive ne génère pas d'énergie ou ne génère essentiellement pas d'énergie quand la source d'énergie est mise sous tension.

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