Balloon catheter having a multilayered distal tip
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United States of America Patent
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Mar 11, 2008
Grant Date -
N/A
app pub date -
Sep 2, 2004
filing date -
Sep 2, 2004
priority date (Note) -
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Abstract
A catheter having a distal tip with an inner layer formed of a polymeric material having a coefficient of friction and surface energy which are relatively low, such that the inner layer has a lubricious, non-polar inner surface repulsive to polar liquids. As a result, blood coagulation in the distal tip, and adherence of the distal tip on the guidewire are prevented or minimized.
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