Two-stage scar generation for treating atrial fibrillation
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United States of America Patent
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N/A
Issued Date -
Jun 1, 2006
app pub date -
Oct 7, 2005
filing date -
Oct 8, 2004
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The present invention seeks to provide an implant configured to utilize at least two different scar-generating mechanisms that are generated in sequential or overlapping stages. For example, in one embodiment the present invention provides an expandable device that can be positioned at a desired target location within a patient to generate mechanical ablation damage. After a predetermined amount of mechanical ablation has occurred, additional ablation damage is generated by a different source, such as energy delivery, drug delivery, or inflammatory material delivery. In this respect, the overall ablation scarring can be better controlled by utilizing the ablation techniques that are most appropriate at specific phases of a technique or locations within a patient.
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