Vein filter
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United States of America Patent
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Apr 24, 2012
Issued Date -
N/A
app pub date -
Apr 29, 2010
filing date -
Jan 22, 2004
priority date (Note) -
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status (Latency Note)
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Abstract
A vessel filter having a first region and a second region, the filter movable between a collapsed position for delivery to the vessel and an expanded position for placement within the vessel. The first region has a filter portion having a converging region to direct particles toward the center of the filter and includes a plurality of spaced apart filter struts. The struts each have a strut height defined as a distance between a first wall and a second wall. A plurality of hooks are at the second region, the hooks having a vessel penetrating tip and a width greater than the width of the strut from which it extends such that the penetrating tip portion of the hook extends beyond the first wall.
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