US 12,441,951 B2
Polyacrylic acid containing lubricious coatings for medical devices with enhanced properties
Michael Militello, Eden Prairie, MN (US); Syed Hossainy, Hayward, CA (US); and David E. Babcock, Brooklyn Park, MN (US)
Assigned to Surmodics, Inc., Eden Prairie, MN (US)
Filed by Surmodics, Inc., Eden Prairie, MN (US)
Filed on Nov. 10, 2023, as Appl. No. 18/388,652.
Claims priority of provisional application 63/424,321, filed on Nov. 10, 2022.
Prior Publication US 2024/0240098 A1, Jul. 18, 2024
Int. Cl. C10M 107/42 (2006.01); A61L 29/04 (2006.01); A61L 29/08 (2006.01); C10M 107/28 (2006.01); C10M 137/06 (2006.01); C10M 169/04 (2006.01); C10N 20/04 (2006.01); C10N 40/00 (2006.01); C10N 50/00 (2006.01)
CPC C10M 107/42 (2013.01) [A61L 29/049 (2013.01); A61L 29/085 (2013.01); C10M 107/28 (2013.01); C10M 137/06 (2013.01); C10M 169/04 (2013.01); A61L 2400/10 (2013.01); A61L 2420/02 (2013.01); C10M 2209/0845 (2013.01); C10M 2217/0285 (2013.01); C10M 2223/042 (2013.01); C10N 2020/04 (2013.01); C10N 2040/50 (2020.05); C10N 2050/023 (2020.05)] 20 Claims
OG exemplary drawing
 
1. A lubricious coated medical device comprising:
a substrate; and
a first layer, wherein the first layer is disposed over the substrate, the first layer comprising
a photoreactive polyvinylpyrrolidone;
a first non-photoreactive polyvinylpyrrolidone;
a second non-photoreactive polyvinylpyrrolidone; and
a crosslinking compound;
a second layer, wherein the second layer is disposed over the first layer, the second layer comprising
a poly(acrylic acid); and
a third non-photoreactive polyvinylpyrrolidone.