Reflective microspheres for ultrasonic imaging
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United States of America Patent
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Nov 28, 2000
Issued Date -
N/A
app pub date -
Aug 20, 1997
filing date -
Dec 21, 1983
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Expired
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Abstract
The present invention provides a method of contrast enhanced ultrasonic diagnostic imaging comprising administering to a subject a contrast enhancing amount of spheres or particles comprising a matrix enclosing a contrast agent which reflects sound waves, and generating an ultrasonic image of said subject wherein the matrix comprises a polymer held together by chemical bonds and wherein the polymer is selected from the group consisting of acrylates, polystyrene and derivatives thereof.
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