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US 8,784,402 B1Granted
Catheters with fluoropolymer additives
AssigneesAngioDynamics, Inc., Interface Biologics, Inc.
InventorsRaymond Lareau, Benjamin Bell, J. Paul Santerre, Jeannette Ho
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Abstract
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.
Claims8
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.
3 more elements
Dependencies are inferred from the claim text.