Helical embolic protection device
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United States of America Patent
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Aug 28, 2012
Grant Date -
Mar 19, 2009
app pub date -
Sep 14, 2007
filing date -
Sep 14, 2007
priority date (Note) -
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status (Latency Note)
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Abstract
An embolic protection device for capturing emboli during treatment of a stenotic lesion in a body vessel is disclosed. The device comprises an elongated shaft having a proximal portion and a distal portion extending from the proximal portion. The device further comprises an expandable filter formed helically about the distal portion of the elongated shaft. The expandable filter is configured to helically close defining a collapsed state for delivery and retrievable of the device. The expandable filter is configured to helically open defining an expanded state for capturing emboli during treatment of the stenotic lesion in the body vessel. The expandable filter has at least one filter portion helically extending from the elongated shaft at a predetermined angle defining an opening when the filter is in the expanded state.
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