Guidewire with deflectable tip having improved torque characteristics
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United States of America Patent
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Apr 21, 2009
Grant Date -
Apr 29, 2004
app pub date -
Oct 23, 2003
filing date -
Mar 22, 2002
priority date (Note) -
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Abstract
A bi-directional steerable guidewire having a deflectable distal tip which comprises a longitudinal hypotube and an interlocking spring coil attached to the distal end of the hypotube and also includes a longitudinally movable deflection member which is attached to the distal end of the spring coil and a tip retaining member which extends from the distal end of the hypotube to the distal end of the spring coil for providing very precise deflection of the distal tip.
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