US 11,779,477 B2
Radiopaque intraluminal stents
John A. Simpson, Carlsbad, CA (US); Puneet Kamal Singh Gill, Anaheim, CA (US); and Pamela A. Kramer-Brown, Sparks, NV (US)
Assigned to ABBOTT CARDIOVASCULAR SYSTEMS, INC., Santa Clara, CA (US)
Filed by Abbott Cardiovascular Systems, Inc., Santa Clara, CA (US)
Filed on Dec. 27, 2021, as Appl. No. 17/562,592.
Application 15/429,339 is a division of application No. 13/830,404, filed on Mar. 14, 2013, granted, now 9,566,147, issued on Feb. 14, 2017.
Application 17/562,592 is a continuation of application No. 16/601,259, filed on Oct. 14, 2019, granted, now 11,298,251.
Application 16/601,259 is a continuation in part of application No. 15/429,339, filed on Feb. 10, 2017, granted, now 10,441,445, issued on Oct. 15, 2019.
Application 13/830,404 is a continuation in part of application No. 13/298,070, filed on Nov. 16, 2011, abandoned.
Claims priority of provisional application 61/414,566, filed on Nov. 17, 2010.
Prior Publication US 2022/0117762 A1, Apr. 21, 2022
Int. Cl. C22C 19/07 (2006.01); A61F 2/82 (2013.01); C22C 1/04 (2023.01); A61L 31/18 (2006.01); A61L 31/02 (2006.01); A61F 2/06 (2013.01); C22C 19/05 (2006.01); C22C 27/06 (2006.01); C22C 27/04 (2006.01); C22C 27/00 (2006.01)
CPC A61F 2/82 (2013.01) [A61F 2/06 (2013.01); A61L 31/022 (2013.01); A61L 31/18 (2013.01); C22C 1/0433 (2013.01); C22C 19/07 (2013.01); A61F 2250/0098 (2013.01); C22C 19/05 (2013.01); C22C 27/00 (2013.01); C22C 27/04 (2013.01); C22C 27/06 (2013.01)] 12 Claims
 
1. A stent comprising:
a cobalt-based alloy, wherein the cobalt-based alloy is free of nickel (Ni), the cobalt-based alloy consisting of:
10-65 weight % metal member selected from, the group consisting of silver, gold, hafnium, niobium, rhenium, tantalum, zirconium, platinum, palladium, ruthenium, rhodium, osmium, iridium and combinations thereof;
15-25 weight % chromium (Cr);
4-7 weight % molybdenum (Mo);
0-18 weight % iron (Fe);
22-40 weight % cobalt (Co); and
0-2 weight % of manganese.