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Catheters with fluoropolymer additives

  • US 8,784,402 B1
  • Filed: 07/25/2013
  • Issued: 07/22/2014
  • Est. Priority Date: 03/15/2013
  • Status: Active Grant
First Claim
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1. A catheter comprising:

  • an elongated tubular structure comprising;

    a polymeric material;

    an outer surface, a proximal end, a distal end, and a lumen, wherein said outer surface and said lumen extend between said proximal and distal ends; and

    a wall thickness between said outer surface and said lumen, said wall thickness being at least 0.005 inches;

    wherein said polymeric material comprises polyurethane and additives, said additives comprising 25-35 weight percent of a radiopaque material, 1.5-2.5 weight percent of a polymer comprising terminal polyfluoro-oligomeric groups, and a colorant.

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