Tissue ablation visualization
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United States of America Patent
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Jun 8, 2004
Grant Date -
Nov 6, 2003
app pub date -
May 6, 2002
filing date -
May 6, 2002
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Systems and methods for visualizing ablation lesions are provided. A contrast agent is injected into an artery that feeds blood to tissue surrounding an ablation lesion. During or after contrast agent injection, the ablation lesion and surrounding tissue is imaged using an imager that is responsive to the injected contrast agent. In one non-limiting embodiment, the contrast agent comprises echogenic particles, e.g., echogenic microbubbles, and the imager is an ultrasound imager.
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