Aspirating devices for removal of thrombus/lipid from a body lumen
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United States of America Patent
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Sep 14, 2004
Grant Date -
Jun 19, 2003
app pub date -
Dec 18, 2001
filing date -
Dec 18, 2001
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Methods and devices for treating vulnerable plaque deposits within a blood vessel, having an inner surface and one or more plaque deposits containing a core material are disclosed. A device in accordance with an exemplary embodiment of the present invention includes an elongate shaft having a proximal end and a distal end, a balloon disposed about the elongate shaft for engaging one or more plaque deposits and extracting the core material therefrom, a first venturi section disposed proximally of the balloon, and a second venturi section disposed distally of the balloon. An exemplary method in accordance with the present invention may include the steps of inserting a distal portion of the catheter into a lumen of the blood vessel, positioning the balloon proximate a plaque deposit, inflating the balloon, creating a first stream of fluid proximally of the balloon, collecting the first stream of fluid proximally of the balloon, creating a second stream of fluid distally of the balloon, and collecting the second stream of fluid distally of the balloon.
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