Medical devices with echogenic coatings
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United States of America Patent
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Jul 13, 1999
Grant Date -
N/A
app pub date -
Aug 17, 1998
filing date -
Aug 17, 1998
priority date (Note) -
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Abstract
A medical device for insertion into human body having an echogenic portion of enhanced visibility in an ultrasound scan. The echogenic portion includes an echogenic material comprising a plastic impregnated with sonically reflective particles, the particles having an average size of less than 500 nanometers and formed of a substance having a specific gravity of 5 or greater. Preferably the particles have an average size of less than 100 nanometers and the sonically reflective particles are 5% to 40% of the echogenic material.
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