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US 2014/0276641 A1Published application
Catheteres with high-purity fluoropolymer additives
AssigneeAngioDynamics, 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.
Claims11
1-20. (canceled)
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 a radiopaque material and a polymer comprising terminal polyfluoro-oligomeric groups;
- and
- wherein said polymeric material is comprised of a positive amount of up to about 44 weight percent of said additives.
5 more elements
Dependencies are inferred from the claim text.