Embolus blood clot filter with post delivery actuation
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United States of America Patent
Stats
-
Jan 10, 2012
Grant Date -
Dec 10, 2009
app pub date -
Dec 29, 2006
filing date -
Dec 30, 2005
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A removable blood clot filter includes a number of locator members and anchor members, and a bio-resorbable structure that causes locator members and/or anchor members to deploy to an initial configuration which changes when the bio-resorbable structure is resorbed. The bio-resorbable structure causes the filter locator members and/or anchor members to press against the vessel wall sufficient to locate and anchor the filter upo delivery. After the bio-resorbable structure is resorbed, the locator members and/or anchor members change shape to apply less pressure against the vessel wall. The bio-resorbable structure may be activated by exposure to radiation so that actuation of the locator members and/or anchor members can be enabled or initiated by a clinician.
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