US 12,268,617 B2
Anti-thrombogenic medical devices and methods
Xiaodong Ma, Acton, MA (US); Min-Shyan Sheu, Chelmsford, MA (US); Lincoln Eramo, Winchester, CA (US); John Wainwright, Foothill Ranch, CA (US); and Junwei Li, Irvine, CA (US)
Assigned to Covidien LP, Mansfield, MA (US)
Filed by Covidien LP, Mansfield, MA (US)
Filed on Feb. 19, 2024, as Appl. No. 18/581,322.
Application 18/581,322 is a continuation of application No. 17/818,585, filed on Aug. 9, 2022, granted, now 11,903,850.
Application 17/818,585 is a continuation of application No. 17/099,391, filed on Nov. 16, 2020, granted, now 11,406,514, issued on Aug. 9, 2022.
Application 17/099,391 is a continuation of application No. 16/586,639, filed on Sep. 27, 2019, granted, now 11,369,497, issued on Jun. 28, 2022.
Application 16/586,639 is a continuation of application No. 16/173,879, filed on Oct. 29, 2018, granted, now 10,835,393, issued on Nov. 17, 2020.
Application 16/173,879 is a continuation of application No. 15/584,077, filed on May 2, 2017, granted, now 10,258,486, issued on Apr. 16, 2019.
Application 15/584,077 is a continuation of application No. 14/087,459, filed on Nov. 22, 2013, granted, now 9,668,890, issued on Jun. 6, 2017.
Prior Publication US 2024/0189121 A1, Jun. 13, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. A61F 2/82 (2013.01); A61F 2/06 (2013.01); A61F 2/90 (2013.01); A61L 31/02 (2006.01); A61L 31/10 (2006.01); A61L 31/14 (2006.01); A61L 31/16 (2006.01); A61L 33/00 (2006.01); A61L 33/06 (2006.01); B05D 1/18 (2006.01); B05D 3/14 (2006.01)
CPC A61F 2/82 (2013.01) [A61F 2/06 (2013.01); A61F 2/90 (2013.01); A61L 31/022 (2013.01); A61L 31/10 (2013.01); A61L 31/146 (2013.01); A61L 31/16 (2013.01); A61L 33/0088 (2013.01); A61L 33/064 (2013.01); A61F 2240/001 (2013.01); A61L 2300/42 (2013.01); A61L 2400/18 (2013.01); A61L 2420/02 (2013.01); B05D 1/18 (2013.01); B05D 3/142 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A medical device, comprising:
a braided vascular device comprising a plurality of braided filaments, wherein at least some respective filaments of the plurality of braided filaments comprise:
a substrate comprising at least one of cobalt, cobalt alloy, chromium, chromium alloy, nickel, or nickel alloy;
a silane layer comprising a silane material on the substrate; and
an outer coating comprising a phosphorylcholine material on the silane layer, wherein the outer coating defines a layer thickness of less than 10 nanometers.