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Low friction varied radiopacity guidewire

  • US 5,147,317 A
  • Filed: 06/04/1990
  • Issued: 09/15/1992
  • Est. Priority Date: 06/04/1990
  • Status: Expired due to Fees
First Claim
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1. A guidewire for use with a catheter comprising:

  • an elongate flexible core wire;

    a helical coil formed from a wire having a predetermined diameter, the helical coil being wrapped about the core wire and extending along the length of the core wire, at least a major portion of the length of the helical coil having adjacent turns spaced from each other by an amount at least equal to the diameter of the wire from which the helical coil is formed.

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