Expandable intra-aortic balloon pump sheath
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United States of America Patent
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May 25, 2010
Grant Date -
Jul 31, 2008
app pub date -
Jan 28, 2008
filing date -
Jan 29, 2007
priority date (Note) -
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status (Latency Note)
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Abstract
Disclosed is an expandable transluminal sheath, for introduction into the body while in a first, low cross-sectional area configuration, and subsequent expansion of at least a part of the distal end of the sheath to a second, enlarged cross-sectional configuration. The sheath is configured for use in the vascular system and has utility in the introduction and removal of balloon counterpulsation catheters. The access route is through the femoral arteries and the iliac arteries into the aorta, where an intra-aortic balloon pump catheter is positioned to provide cardiac support. The distal end of the sheath is maintained in the first, low cross-sectional configuration during advancement to the arteries into the aorta. The distal end of the sheath is subsequently expanded using a radial dilatation device.
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