Apparatus and methods for treating hardened vascular lesions
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United States of America Patent
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Mar 30, 2010
Grant Date -
Jul 22, 2004
app pub date -
Jul 30, 2003
filing date -
Jan 21, 2003
priority date (Note) -
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Abstract
A plaque scoring catheter comprises a catheter body having a balloon or other radially expansible shell at its distal end. A non-axial scoring structure is carried over the shell and scores a stenosed region in a blood vessel when the balloon is inflated therein. The non-axial scoring structure may be formed directly on the balloon or may alternatively be part of a cage structure which floats over the balloon. Exemplary configurations for the scoring structure include helical, serpentine, and irregular.
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