US 11,864,989 B2
Stent with expandable foam
Thomas S. Wilson, Castro Valley, CA (US); Duncan J. Maitland, College Station, TX (US); Ward Small, IV, Livermore, CA (US); Patrick R. Buckley, Alameda, CA (US); William J. Benett, Livermore, CA (US); Jonathan Hartman, Sacramento, CA (US); and David Saloner, San Rafael, CA (US)
Assigned to Lawrence Livermore National Security, LLC, Livermore, CA (US); and The Regents of the University of California, Oakland, CA (US)
Filed by LAWRENCE LIVERMORE NATIONAL SECURITY, LLC, Livermore, CA (US); and The Regents of the University of California, Oakland, CA (US)
Filed on Oct. 14, 2020, as Appl. No. 17/070,053.
Application 17/070,053 is a continuation of application No. 16/139,365, filed on Sep. 24, 2018, granted, now 10,806,561.
Application 16/139,365 is a continuation of application No. 14/797,973, filed on Jul. 13, 2015, granted, now 10,080,642, issued on Sep. 25, 2018.
Application 14/797,973 is a continuation of application No. 13/892,492, filed on May 13, 2013, granted, now 9,078,738, issued on Jul. 14, 2015.
Application 13/892,492 is a continuation of application No. 13/010,055, filed on Jan. 20, 2011, granted, now 8,449,592, issued on May 28, 2013.
Application 13/010,055 is a continuation in part of application No. 11/606,620, filed on Nov. 29, 2006, abandoned.
Application 11/606,620 is a continuation in part of application No. 10/801,355, filed on Mar. 15, 2004, granted, now 8,133,256, issued on Mar. 13, 2012.
Claims priority of provisional application 60/508,808, filed on Oct. 2, 2003.
Prior Publication US 2021/0022847 A1, Jan. 28, 2021
This patent is subject to a terminal disclaimer.
Int. Cl. A61F 2/06 (2013.01); A61B 17/12 (2006.01); A61F 2/82 (2013.01); A61F 2/95 (2013.01); A61B 17/00 (2006.01)
CPC A61F 2/06 (2013.01) [A61B 17/1214 (2013.01); A61B 17/12022 (2013.01); A61B 17/12113 (2013.01); A61B 17/12118 (2013.01); A61B 17/12181 (2013.01); A61F 2/82 (2013.01); A61F 2/95 (2013.01); A61B 17/12031 (2013.01); A61B 2017/00867 (2013.01); A61B 2017/00871 (2013.01); A61B 2017/1205 (2013.01); A61B 2017/12054 (2013.01); A61B 2017/12072 (2013.01); A61B 2017/12077 (2013.01); A61F 2002/823 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A system comprising:
first, second, and third shape memory polymers (SMPs);
wherein the first SMP is a biodegradable open cell foam that includes a first channel;
wherein the second SMP includes a second channel and is included in the first channel;
wherein the foam is in a first state and is configured to expand to a second state, radially outward from the second SMP, in response to thermal stimulus;
wherein the third SMP is between the first and second SMPs and includes a stent having a first strut that includes the third SMP and a second strut that includes the third SMP;
wherein each of the first, second, and third SMPs is coupled to a wire.