Medical device and method of intravenous filtration
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United States of America Patent
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May 25, 2010
Grant Date -
Feb 17, 2005
app pub date -
Jul 2, 2004
filing date -
Jul 3, 2003
priority date (Note) -
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status (Latency Note)
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Abstract
A medical catheter having an elongate body, a first expandable balloon and a filter assembly. The filter assembly includes an expandable filter having a first portion coupled to a portion of the medical catheter and a second portion positioned around at least a portion of the first expandable balloon to form a channel between the filter assembly and the first expandable balloon. The filter assembly can further include struts coupled to the second portion of the expandable filter, where the struts tether the second portion of the expandable filter to the elongate body adjacent the proximal end of the first expandable balloon. The first expandable balloon can be used in procedures to dilate blood vessels, including those that deploy stents, where the expandable filter assembly captures particles, including embolic particles, from the blood during the procedure.
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