Guide wire
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United States of America Patent
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-
May 11, 2010
Grant Date -
Apr 15, 2004
app pub date -
Aug 21, 2003
filing date -
Aug 22, 2002
priority date (Note) -
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status (Latency Note)
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Abstract
A guide wire (1) to assist percutaneous endovascular deployment which has zones of varying stiffness. An elongate central zone (3) of high stiffness, a proximal zone (4) of transition from high stiffness to semi-stiffness and a distal zone (5) of transition from high stiffness to being relatively flexible. The distal zone (5) has three zones, a semi stiff zone (11) adjacent the central zone, a transition zone (13) being of flexibility of from semi-stiff extending to flexible and a tip zone (15) being of high flexibility. The distal tip has a small J curve (16) to ensure that it is atraumatic in vessels and to prevent damage to the aortic heart valve. The distal zone (5) can also have a large curve to assist with anchoring the guide wire into the aortic arch.
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