Laser pulmonary vein isolation

Details Laser pulmonary vein isolation Laser pulmonary vein isolation

Category

A - Human Necessities

Subcategory

61

Subsubcategory

B

IPC codes

A61B 18/20 (2006.01) A61B 18/22 (2006.01) A61B 18/24 (2006.01) A61B 17/22 (2006.01)

Type

Patent

Patent number

CA 2440495

Description

A catheter introduction apparatus provides an optical assembly for emission of laser light energy. In one application, the catheter and the optical assembly are introduced percutaneously, and transseptally advanced to the ostium of a pulmonary vein. An anchoring balloon is expanded to position a mirror near the ostium of the pulmonary vein, such that light energy is reflected and directed circumferentially around the ostium of the pulmonary vein when a laser light source is energized. A circumferential ablation lesion is thereby produced, which effectively blocks electrical propagation between the pulmonary vein and the left atrium.

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