Debulking catheters and methods
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United States of America Patent
Stats
-
Apr 20, 2010
Grant Date -
Aug 11, 2005
app pub date -
Jul 21, 2004
filing date -
Dec 20, 2000
priority date (Note) -
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status (Latency Note)
Importance
Abstract
A debulking catheter comprising a tissue debulking assembly for removing a contiguous strand of material from a body lumen. Catheters of the present invention generally include a catheter body having proximal and distal portions and a tissue debulking assembly disposed at least partially within the distal portion. The tissue debulking assembly is radially movable to expose at least a portion of the assembly through a window on the catheter body. The catheter is advanced transluminally through the body lumen to contact material in the body lumen and remove a plane of contiguous material that has a length that is typically longer than a length of the window on the catheter. The contiguous material may be directed into a collection chamber. Thereafter, the material may be removed from the collection chamber and preserved or tested.
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