Hollow coil guide wire apparatus for catheters
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United States of America Patent
Stats
-
Aug 3, 1999
Grant Date -
N/A
app pub date -
Dec 7, 1995
filing date -
Dec 7, 1995
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A catheter guide wire includes a strip of material formed into an elongate coil, with a central hollow having a plurality of windings. The windings include inhibiting features to inhibit relative rotation of adjacent windings. A central wire core is inserted through the hollow of the coil and welded to some of the windings to keep them from separating longitudinally. This construction allows for lateral flexibility of the guide wire, but with desired torsional stiffness.
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Family
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Cited Art Landscape
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