Patent 10905802 was granted and assigned to Surmodics on February, 2021 by the United States Patent and Trademark Office.
Embodiments of the invention include lubricious medical device coatings. In an embodiment the invention includes a coating for a medical device including a first layer comprising polyvinylpyrrolidone derivatized with a photoreactive group; and a first cross-linking agent comprising at least two photoreactive groups; a second layer disposed on the first layer comprising polyvinylpyrrolidone derivatized with a photoreactive group; a second cross-linking agent comprising at least two photoreactive groups; and a polymer comprising polyacrylamide, the polymer derivatized with at least one photoreactive group. Other embodiments are included herein.