Proximally tapered guidewire tip coil
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United States of America Patent
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-
Oct 17, 2000
Grant Date -
N/A
app pub date -
Apr 23, 1998
filing date -
Apr 23, 1998
priority date (Note) -
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status (Latency Note)
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Abstract
The disclosure is directed to a guidewire having an elongate core member with at least one distally tapered portion at the distal section, with a flexible body member disposed around said distal section. The flexible body member is preferably comprised of a metallic helical coil that has proximally tapered portion at the proximal end, with a diameter similar to the outer diameter of the elongate core member at the point of attachment thereto. The distal end of the flexible body member is attached to the distal end of the elongate core member. The proximal taper of the flexible body member provides a smooth transition from the elongate core member to the flexible body member while minimizing the amount of bonding material needed and the resulting localized stiff portion at the point of connection between the proximal end of the flexible body member and the elongate body member.
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