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Medical wire

  • US 8,945,024 B2
  • Filed: 10/27/2005
  • Issued: 02/03/2015
  • Est. Priority Date: 10/29/2004
  • Status: Active Grant
First Claim
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1. A medical wire comprising:

  • a conductive wire having a coil form;

    a thermally-fusible connecting rod comprising a thermally fusible material;

    an intracorporeally indwelling member having a coil form comprising a metal; and

    a non-conductive spacer,wherein an end of the connecting rod is disposed in a leading end part of the coil of the conductive wire and another end of the connecting rod is disposed in the coil forming the intracorporeally indwelling member, so that the conductive wire and the intracorporeally indwelling member are connected by the connecting rod,wherein the connecting rod is heated and fused by a high-frequency current supplied through the conductive wire, thereby releasing the intracorporeally indwelling member,wherein the connecting rod is an insulator,wherein the non-conductive spacer is disposed between the intracorporeally indwelling member and the conductive wire, and the intracorporeally indwelling member, the spacer, and the conductive wire are aligned in an axial direction of the medical wire, in which the spacer prevents the electrical contact of the intracorporeally indwelling member with the conductive wire by being interposed therebetween,wherein the conductive wire is configured to deliver the intracorporeally indwelling member through a catheter, andwherein the spacer is disposed on the connecting rod so that the spacer is slidably movable on the connecting rod between the intracorporeally indwelling member and the conductive wire.

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