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Guide wire tip

  • US 6,132,388 A
  • Filed: 10/16/1997
  • Issued: 10/17/2000
  • Est. Priority Date: 10/16/1997
  • Status: Expired due to Term
First Claim
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1. A guide wire tip, comprising:

  • a core wire having a proximal end and a distal end, the core wire including a tapered portion, proximate the distal end, the tapered portion having a transverse cross-sectional area which generally decreases distally;

    a distal portion of the core wire having a first transverse dimension greater than a second transverse dimension disposed perpendicularly to the first transverse dimension;

    a tip disposed at the distal end of the core wire, the tip having a transverse cross-sectional area larger than the smallest transverse cross-sectional area of the tapered portion of the core wire;

    a coil extending over the core wire to the tip, the coil extending over at least a portion of the tapered portion; and

    a radiopaque sheath comprised of a flexible polymeric material loaded with a radiopaque material;

    the radiopaque sheath overlaving the distal portion of the core wire.

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