US 11,680,143 B2
Porous material with microscale features
Mark H. Tuszynski, La Jolla, CA (US); Jeffrey S. Sakamoto, Ann Arbor, MI (US); Kendell M. Pawelec, Howell, MI (US); Yacov M. Koffler, San Diego, CA (US); Michael Sailor, La Jolla, CA (US); and Jonathan Zuidema, La Jolla, CA (US)
Assigned to THE REGENTS OF THE UNIVERSITY OF MICHIGAN, Ann Arbor, MI (US); and THE REGENTS OF THE UNIVERSITY OF CALIFORNIA, Oakland, CA (US)
Filed by The Regents of the University of Michigan, Ann Arbor, MI (US); and The Regents of the University of California, Oakland, CA (US)
Filed on Jan. 9, 2020, as Appl. No. 16/738,872.
Claims priority of provisional application 62/790,178, filed on Jan. 9, 2019.
Prior Publication US 2020/0354533 A1, Nov. 12, 2020
Int. Cl. C08J 5/18 (2006.01); A61F 2/02 (2006.01); A61M 31/00 (2006.01); C08K 3/36 (2006.01); C08K 3/04 (2006.01); C08K 3/32 (2006.01); A61F 2/30 (2006.01)
CPC C08J 5/18 (2013.01) [A61F 2/02 (2013.01); A61M 31/002 (2013.01); C08K 3/36 (2013.01); A61F 2002/30316 (2013.01); C08J 2367/04 (2013.01); C08K 3/042 (2017.05); C08K 2003/325 (2013.01); C08K 2201/011 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A device comprising:
a. a porous film material comprising a porosity of at least 60% vol;
b. a plurality of channels comprising the porous film material; and
c. a sheath around the plurality of channels,
wherein the porous film material comprises a polymer, a biocompatible polymer, a polyester, a polycaprolactone, or a poly(lactide co-glycolide), and
wherein the porous film material comprises two polymer layers.