Guide wire
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United States of America Patent
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-
Dec 29, 2009
Grant Date -
Jul 3, 2008
app pub date -
Sep 26, 2007
filing date -
Dec 28, 2006
priority date (Note) -
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status (Latency Note)
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Abstract
A guide wire includes a wire body having a tapered portion disposed on a distal end portion thereof and having an outside diameter progressively reduced toward a distal end thereof. The guide wire also includes a coil having a first coil portion covering an outer circumferential surface of the tapered portion and a second coil portion disposed adjacent to a proximal end of the first coil portion and covering an outer circumferential surface of a constant-outside-diameter portion of the wire body. Initial tensile forces of the first coil portion are greater than initial tensile forces of the second coil portion.
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