Intravascular dilatation infusion catheter
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United States of America Patent
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May 26, 2009
Grant Date -
Dec 29, 2005
app pub date -
Jun 23, 2004
filing date -
Jun 23, 2004
priority date (Note) -
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status (Latency Note)
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Abstract
A medical device comprises a catheter having at least one catheter shaft, which defines an inflation lumen for transport of an inflation fluid therethrough. The inflation fluid comprises a coolant. An expandable balloon, which has a proximal cone, distal cone, and a body region therebetween, is engaged to a distal region of the at least one catheter shaft. The balloon interior is in fluid communication with the inflation lumen. A portion of the catheter distal of the balloon body defines at least one port that is in fluid communication with the inflation lumen and the balloon interior.
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