Nylon-PEBA copolymer catheter
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United States of America Patent
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Feb 6, 1990
Grant Date -
N/A
app pub date -
Aug 9, 1988
filing date -
Aug 9, 1988
priority date (Note) -
Expired
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Abstract
Inner and outer layers of a braided body portion of an intravascular catheter as well as a soft tip portion are formed from different proportioned blends of nylon and copolymer of ester linked polyethylene and polyamide to produce optimum mechanical properties in the catheter. One or more surfaces of the catheter are coated with a hydrogel containing a copolymer of polyurethane and polyvinylpyrrolidone to provide improved lubricity and antithrombogenicity.
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