Removable vena cava filter
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United States of America Patent
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Aug 21, 2012
Grant Date -
Jun 24, 2010
app pub date -
Mar 1, 2010
filing date -
Feb 11, 2003
priority date (Note) -
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Abstract
A removable filter for capturing thrombi in a blood vessel. The filter comprises a plurality of primary struts having first ends connected to each other to define a central axis of the filter. Each primary strut has a curved member extending from the central axis and terminates at an anchoring hook to engage the blood vessel at a first axial plane. The filter further comprises a plurality of secondary struts connected to the curved members of the primary struts and extending therefrom to a free end at a second axial plane to centralize the filter in the blood vessel.
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