US 11,872,325 B2
Lubricious medical device coating with low particulates
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 Jan. 28, 2021, as Appl. No. 17/161,396.
Application 15/165,650 is a division of application No. 13/745,397, filed on Jan. 18, 2013, granted, now 9,375,517, issued on Jun. 28, 2016.
Application 17/161,396 is a continuation of application No. 15/643,564, filed on Jul. 7, 2017, granted, now 10,905,802.
Application 15/643,564 is a continuation of application No. 15/165,650, filed on May 26, 2016, granted, now 9,737,639, issued on Aug. 22, 2017.
Claims priority of provisional application 61/587,944, filed on Jan. 18, 2012.
Claims priority of provisional application 61/587,929, filed on Jan. 18, 2012.
Prior Publication US 2021/0220525 A1, Jul. 22, 2021
This patent is subject to a terminal disclaimer.
Int. Cl. A61L 29/08 (2006.01); A61L 27/34 (2006.01); A61L 29/14 (2006.01); A61L 31/10 (2006.01)
CPC A61L 29/085 (2013.01) [A61L 27/34 (2013.01); A61L 29/14 (2013.01); A61L 31/10 (2013.01); A61L 2400/10 (2013.01); A61L 2420/06 (2013.01); A61L 2420/08 (2013.01)] 20 Claims
 
1. A medical device comprising:
a substrate; and
a first layer disposed on the substrate, the first layer comprising
polyvinylpyrrolidone derivatized with a photoreactive group;
at least one acrylamide containing copolymer selected from the group consisting of poly[acrylamide-co-sodium-2-acrylamido-2-methylpropanesulfonate-co-N-(3-(4-benzoylbenzamido)propyl)methacrylamide] and N-Acetylated poly[acrylamide-co-sodium-2-acrylamido-2-methylpropanesulfonate-co-N-(3-(4-benzoylbenzamido)propyl)methacrylamide]-co-methoxy poly(ethylene glycol) monomethacrylate; and
sodium bis(4-benzoylphenyl) phosphate (BPP).