High torque catheter possessing multi-directional deflectability and methods thereof
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United States of America Patent
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Aug 26, 2003
Grant Date -
Oct 18, 2001
app pub date -
Jun 11, 2001
filing date -
Aug 12, 1999
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A flexible catheter shaft suitable for inserting into a body of a patient comprising a deflectable, high torque transmission assembly of a slit tubular element that has either a plurality of rows of slits with anchors or at least one continuously spiraling slit on said slit tubular element and has sufficient bending and torque properties ensuring that a substantial fraction of the bending, rotational and displacement forces provided along said flexible catheter shaft are translated to bending, rotational and displacement forces at a distal end of said flexible catheter shaft.
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