Guidewire with deflectable tip having improved flexibility
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United States of America Patent
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Jan 27, 2009
Grant Date -
Sep 20, 2007
app pub date -
Oct 31, 2006
filing date -
Mar 22, 2002
priority date (Note) -
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status (Latency Note)
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Abstract
A 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 ribbon 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. The distal end of the deflection member has “skived,” or tapered, sides to enhance the flexibility of the guidewire.
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