Superelastic guidewire with a shapeable tip
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United States of America Patent
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Mar 2, 1999
Grant Date -
N/A
app pub date -
Apr 2, 1997
filing date -
Apr 2, 1997
priority date (Note) -
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status (Latency Note)
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Abstract
In accordance with the present invention there is provided a guidewire for navigating through the human vasculature. The guidewire has a distal end for insertion into the body, and a proximal end. The guidewire is made from a core wire formed from a superelastic material and has distal and proximal ends. The core wire has a bore or notch adjacent its distal end, and the bore has a predetermined size and shape. The guidewire further includes a member formed from a malleable material. The member has the same size and shape as the bore or notch and is inserted within the bore or notch. Whereby, after the member is bent, the shape of the distal end of the core wire changes without elastically returning to its original shape. Lastly, the guidewire includes a cover which surrounds the member and portions of the core wire immediately adjacent thereto.
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