Methods and apparatus for introducing tumescent fluid to body tissue

摘要

A catheter is usable to treat a hollow anatomical structure (HAS). The catheter comprises one or more shafts which extend away from a proximal end of the catheter toward a distal end thereof. The catheter further comprises an HAS constriction energy source located at or near the distal end of the catheter. The catheter further comprises at least one radially expandable transmural fluid delivery channel located in the catheter near the HAS constriction energy source.

主权项

1. A method of treating a hollow anatomical structure (HAS) comprising a plurality of quadrants, the method comprising:
a) positioning a distal end of a probe at a treatment location within the HAS; b) delivering RF energy to electrodes disposed at the distal end of the probe such that RF energy is passed through an inner wall of the HAS at the treatment location; and c) sequentially treating each quadrant of the plurality of quadrants of the HAS to affect 360 degrees of a diameter of the HAS at the treatment location.