Guidewire with adjustable stiffness
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United States of America Patent
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app pub date -
Nov 14, 2008
filing date -
Apr 23, 2007
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A method of adjusting the stiffness and size of a guidewire without full withdrawal of the guidewire from a patient's vascular system comprising providing a guidewire system comprising an inner member having a first outer diameter and a first stiffness, an outer member having a third larger diameter and a third stiffness, and a stiffener positioned between the inner and outer members and having a second outer diameter larger than the first diameter and smaller than the third diameter. The method includes selectively changing the relative positions of the members to alter the pushability and stiffness of the guidewire system.
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