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Composite guidewire

  • US 7,014,616 B2
  • Filed: 07/01/2003
  • Issued: 03/21/2006
  • Est. Priority Date: 12/28/1998
  • Status: Expired due to Term
First Claim
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1. A composite guidewire, comprising:

  • an elongated, flexible core, said core having a proximal region, a distal region, and an intermediate tapered region between said proximal and distal regions;

    a reinforcement tube disposed over said proximal region of said core, said reinforcement tube including a distal tapered portion extending over said intermediate tapered region of said elongated, flexible core;

    a primary coil disposed over said distal region of said core; and

    a coating of a heat shrinkable material disposed over said distal tapered portion of said reinforcement tube and said intermediate tapered region of said elongated, flexible core.

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