Tissue-removing catheter including urging mechanism
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United States of America Patent
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Feb 26, 2019
Grant Date -
Mar 2, 2017
app pub date -
Nov 10, 2016
filing date -
Dec 12, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
A tissue-removing catheter includes an elongate catheter body. The catheter body has a jogged portion that applies an urge force against a body lumen wall and urges a portion of the catheter body toward a portion of the body lumen wall. A tissue-removing element removes tissue from the body lumen during the cutting operation. The tissue-removing element is located generally adjacent the portion of the catheter body that is urged toward the body lumen wall by the jogged portion. An urging mechanism selectively applies a compressive load to the catheter body to adjust the bending stiffness of the jogged portion and the urge force applied by the jogged portion.
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