Rapid exchange balloon dilation catheter having reinforced multi-lumen distal portion
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United States of America Patent
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Jun 9, 2009
Grant Date -
Jan 18, 2007
app pub date -
Jul 5, 2005
filing date -
Jul 5, 2005
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A rapid exchange balloon dilation catheter includes a catheter shaft with a proximal tubular member defining a proximal inflation/deflation lumen for conveying fluids therethrough with a distal portion of the bore of proximal tubular member filled with a fluid-impervious barrier, a distal body extending from the fluid-impervious barrier to the distal end of the shaft, a plurality of distal tubular members defining distal inflation/deflation lumens in fluid communication with the proximal inflation/deflation lumen and extending through the fluid-impervious barrier and the distal body to the distal end of the shaft distal portion, a guidewire tubular member having a bore extending from a side aperture formed in the distal body through the distal body alongside the distal tubular members in a multi-lumen arrangement, and a plurality of stiffening members extending from within the fluid-impervious barrier into the distal body to a point within the shaft distal portion.
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