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United States of America Patent
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Feb 15, 2011
Grant Date -
Apr 14, 2005
app pub date -
Aug 17, 2004
filing date -
Jun 18, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A vessel filter comprising first and second filtering portions and first and second anchoring portions. A transverse dimension of the first filtering portion in an expanded configuration is less than a transverse dimension of the anchoring portion in an expanded configuration, and a transverse dimension of the second filtering portion is less than a transverse dimension of the second anchoring portion. The first and second filtering portions are positioned closer to each other than the first and second anchoring portions, and the anchoring portions are formed on first and second opposite portions of the vessel filter. Preferably a sleeve is positioned between the first and second filter portions.
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