Methods and systems for the inhibition of vascular hyperplasia
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United States of America Patent
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Jan 7, 2003
Issued Date -
N/A
app pub date -
Sep 1, 2000
filing date -
Dec 31, 1997
priority date (Note) -
Expired
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Abstract
Post-interventional neointimal hyperplasia in arteries is treated by the application of ultrasonic energy. Usually, an intravascular catheter having an interface surface is positioned at a target site in the artery which has previously been treated. The interface surface is vibrationally excited to apply energy to the arterial wall in a manner which inhibits smooth muscle cell proliferation in the neointimal layer.
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