Catheters with fluoropolymer additives

摘要

The present invention provides catheter compositions that provide anti-thrombogenic properties while not adversely impacting mechanical properties. All embodiments of the present invention comprise a catheter that comprises a fluoropolymer additive with specific compositions and/or purity levels.

主权项

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; anda 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.