Core wire with shapeable tip

  • US 6,375,629 B1
  • Filed: 10/17/2000
  • Issued: 04/23/2002
  • Est. Priority Date: 02/19/1998
  • Status: Expired due to Term
First Claim
Patent Images

1. A medical guidewire, comprising:

  • an elongate tubular body having proximal and distal sections and proximal and distal ends;

    an expandable member on the distal section of the tubular body;

    a lumen in the tubular body, the lumen extending between the proximal end of the tubular body to the distal end of the tubular body; and

    a core wire having proximal and distal sections, the core wire securely mounted on the distal end of the tubular body and constructed of a nickel titanium alloy formed by imparting superelasticity to the elongate body followed by removing superelasticity from the distal section of the elongate body to produce a shapeable tip.

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