Easily cleaned atherectomy catheters and methods of use
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United States of America Patent
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Jun 5, 2012
Grant Date -
Nov 18, 2010
app pub date -
May 14, 2010
filing date -
May 14, 2009
priority date (Note) -
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status (Latency Note)
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Abstract
An atherectomy catheter is provided having a tissue collection chamber capable of being cleaned out in a simple, fast and effective way, and also provides methods of using said catheter to remove material from a blood vessel lumen. In one embodiment the tissue collection chamber has an expandable tip having a first closed position capable of retaining material in the chamber and having a second open position that may allow expulsion of material from the chamber. In a second embodiment the tissue collection chamber has a displaceable tip having a first closed position to retain material in the chamber and having a second open position to allow expulsion of material from the chamber.
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