And methods perivalvular regurgitation blockade device

摘要

Constant length, a distal end and an inner tube having a longitudinal axis, a plurality of needles extending from the distal end of the inner tube is biased away from the longitudinal axis thereof, and the length of the inner tube to enclose at least a portion of the needle being extended, and ablation catheter comprising an outer sheath that can be moved slidably relative to the inner tube, and a radio frequency energy source is electrically connected to the plurality of needles .