Weeping balloon catheter with drug delivery through dilation balloon
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United States of America Patent
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Aug 8, 2017
Grant Date -
Dec 11, 2014
app pub date -
Mar 27, 2014
filing date -
Jun 10, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
A weeping balloon catheter includes a catheter having an elongate tubular body defining a medical device lumen and a liquid delivery lumen. A dilation balloon is disposed at a distal end of the elongate tubular body and is in fluid communication with the liquid delivery lumen. The dilation balloon includes a fluid communication channel through an outer wall of the dilation balloon. A flow restriction member is positioned along the fluid communication channel and has an open position permitting fluid communication along the fluid communication channel and a closed position blocking fluid communication along the fluid communication channel. A drug delivery path of the weeping balloon catheter is defined by the liquid delivery lumen and the dilation balloon.
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