APPARATUS FOR STENOSIS ESTIMATION
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United States of America Patent
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Issued Date -
Apr 7, 2011
app pub date -
Oct 6, 2009
filing date -
Oct 6, 2009
priority date (Note) -
Abandoned
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Abstract
Digital Subtraction Angiography (DSA) is widely used in the diagnosis and treatment of coronary arterial diseases such as arterial stenosis. However, the application of DSA for the assessment of stenosis severity is limited by the high intraobserver and interobserver variabilities associated with the visual assessment of stenosis severity from a cineangiogram (e.g., a sequential series of images after injection of a contrast media). The advent of Quantitative coronary angiography (QCA) has significantly reduced this limitation.
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