Medical devices incorporating at least one element made from a plurality of twisted and drawn wires
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United States of America Patent
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-
Feb 20, 2001
Issued Date -
N/A
app pub date -
Aug 31, 1998
filing date -
May 2, 1997
priority date (Note) -
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status (Latency Note)
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Abstract
Medical devices are provided which utilize a highly flexible cable of two and preferably three or more strands of wire. The strands are twined to form a wire rope which is drawn through successive dies to reduce its diameter until the outer surface of the cable is substantially smooth. A cable so-formed has improved elasticity. The cable is used in medical devices in which increased elasticity of a wire-like element is desired. Twisted and drawn cables incorporating a strand of a radiopaque metal or alloy may be used in devices in which radiopacity of a flexible portion of the device is desired. Twisted and drawn cables incorporating a strand of a metal or alloy having high electrical conductance may be used in devices in which electrical conductivity of a flexible portion of the device is desired.
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