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High performance coil wire

  • US 7,955,272 B2
  • Filed: 09/24/2001
  • Issued: 06/07/2011
  • Est. Priority Date: 05/14/1998
  • Status: Expired due to Fees
First Claim
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1. A guide wire comprising:

  • an elongate core composed of a nickel-titanium alloy;

    a coil composed of a second material, the coil surrounding the core and terminating along the core, the coil including a distal-most turn having a distal facing surface; and

    a polymeric tip disposed on a distal portion of the core, extending proximally from a distal end of the guide wire, and terminating at the distal facing surface of the coil, without any portion of the polymeric tip extending proximally of the distal facing surface,wherein the distal portion of the core is tapered, andwherein the tapered portion of the core is covered by the polymeric tip.

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