Coating for tissue drag reduction
AssigneeAmerican Cyanamid Company
InventorsPeter K. Jarrett, George Jessup, Louis Rosati, Chris Martin, John W. Maney
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Abstract
This invention relates to materials medical or veterinary use that possess considerably improved properties with regard to friction. The invention also relates to the production of such materials from existing materials that possess suitable bulk properties, but inappropriate frictional properties. This invention also relates to a hydrophilic coating material that provides improved frictional properties.
Claims30
An article of manufacture comprising a surgical filamentary device having a bioabsorbable coating, the bioabsorbable coating manufactured from an ABA or AB block copolymer having a B block comprising a poly(alkylene oxide) having a number average molecular weight of about 5,000 to 20,000 and an A block comprising a biodegradable random copolymer of (1) glycolide and (2) .epsilon.-caprolactone, wherein the ABA or AB block polymer has a glass transition temperature at or less than 16.degree. C.
A medical or surgical film having a bioabsorbable coating, the bioabsorbable coating consisting essentially of an ABA or AB block copolymer having a B block comprising a poly(alkylene oxide) having a number average molecular weight of about 5,000 to 20,000 and an A block comprising a biodegradable random copolymer of (1) glycolide and (2) .epsilon.-caprolactone, wherein the ABA or AB block polymer has a glass transition temperature at or less than 16.degree. C.
Dependencies are inferred from the claim text.