Block copolymer elastomer catheter balloons
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United States of America Patent
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Nov 17, 2009
Grant Date -
Sep 19, 2002
app pub date -
Feb 22, 2002
filing date -
Mar 2, 1994
priority date (Note) -
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Abstract
, diols; the block copolymer has a low flexural modulus, namely less than 150,000 psi; the block copolymer has a hardness, Shore D scale, of greater than 60; and the percentage by weight of the block polymer attributable to the hard segments is between about 50% and about 95%. The polymers provide high strength, thin wall, compliant and semi-compliant balloons, which leads to a low profile catheter. The low profile catheters have very good initial crossing, good trackability, good recrossing after first inflation.
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