Vein filter
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United States of America Patent
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Nov 22, 2011
Issued Date -
N/A
app pub date -
Aug 3, 2007
filing date -
Jan 22, 2004
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A vessel filter including a first region and a second region wherein the filter is movable between a collapsed position for delivery to the vessel and an expanded position for placement within the vessel. A first region has a filter portion having a converging region to direct particles toward the center of the filter and the second region is flared in the expanded position to have a transverse dimension increasing toward a second end portion opposite the first end portion. The second region includes a vessel engaging portion at the second end portion. The first region includes a plurality of spaced apart elongated struts with adjacent struts being joined and a spacer extending radially with respect to a longitudinal axis of the filter.
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