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High performance coil wire

  • US 7,946,999 B2
  • Filed: 11/10/2008
  • Issued: 05/24/2011
  • 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 including a proximal end and a distal end;

    a continuous, unitary coil exhibiting an outer diameter and an inner diameter surrounding a portion of the core, and extending beyond the distal end of the core by a plurality of non-contacting turns of the coil; and

    a polymeric tip contacting and extending from a distal portion of the coil, and a polymeric material extending from a distal portion of the core to the polymeric tip, wherein the polymeric material is provided within spaces between adjacent non-contacting turns of the coil such that the polymeric material encloses at least an area inside the inner diameter of the coil and up to the outer diameter of the coil with the polymeric material terminating at a radial position substantially proximate an outermost radial surface of the coil.

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