Intravascular catheter filter with interlocking petal design and methods of use
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United States of America Patent
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Jan 13, 2004
Issued Date -
N/A
app pub date -
Nov 17, 2000
filing date -
Nov 9, 1999
priority date (Note) -
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status (Latency Note)
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Abstract
A filter device for temporary placement of a filter in an artery or vein is disclosed. The device includes an expandable filter mounted on a distal end of a catheter. The filter comprises a plurality of circumferentially adjacent porous segments that are arranged generally about the surface of a cone having an open base, and the segments are engaged to one another by means, such as a hook. The filter conforms to the interior of a vessel wall when expanded and contracts to a consistent diameter without bunching when stowed. Methods of using the filter device to entrap and remove embolic material from a vessel during endovascular procedures are also disclosed.
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