Mucoadhesive compositions for increasing the ultrasonic image contrast of the digestive tract
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United States of America Patent
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Nov 18, 1997
Grant Date -
N/A
app pub date -
Feb 7, 1996
filing date -
Feb 15, 1991
priority date (Note) -
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Abstract
Suspensions of either echogenic or magnetic particles in aqueous bioadhesive carriers effectively improve imaging by echography, respectively NMRI, of the digestive tract. Affinity of the compositions for the gastric mucosa can be adapted to the needs by appropriately selecting the carrier in function to inherent bioadhesive capacity: this technique leads to improved visualization of selected portions of the lumen.
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