Lubricious coating
AssigneeSherwood Services AG
InventorDiane McGhee
Life of this patent
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Abstract
A lubricant coating vehicle for medical devices used to reduce the coefficient of friction of such devices upon exposure thereof to moisture. The lubricant coating vehicle allows the introduction of a pharmacological additive having a release rate that is within acceptable pharmacokinetic criteria. The release rate is adjusted by utilizing different salt forms of the additive and adjusting the concentration of a urethane pre-polymer.
Claims20
A medical article lubricant composition that allows the release of a pharmacological additive said lubricant composition comprising:
- an alkylbenzene, a polymer selected from the group consisting of polyvinyl alcohol, polyacrylic acid and polyethylene oxide, an isocyanate-terminated prepolymer, an alkylester of a carboxylic acid, and a pharmacological additive having anti-microbial properties.
A method for producing a lubricant composition for a medical article, said lubricant composition allowing for the release of a pharmacological additive, said method comprising:
- blending an alkylbenzene, a polymer selected from the group consisting of polyvinyl alcohol, polyacrylic acid and polyethylene oxide, an isocyanate-terminated prepolymer, an alkylester of a carboxylic acid, and a pharmacological additive having anti-microbial properties until dissolved.
Dependencies are inferred from the claim text.