US 12,138,367 B2
Plasma-assisted flexible multi-scale topographic patches for engineering cellular behavior and tissue regeneration
Jangho Kim, Gwangju (KR); and Woochan Kim, Gwangju (KR)
Assigned to INDUSTRY FOUNDATION OF CHONNAM NATIONAL UNIVERSITY, Gwangju (KR)
Filed by INDUSTRY FOUNDATION OF CHONNAM NATIONAL UNIVERSITY, Gwangju (KR)
Filed on Dec. 17, 2020, as Appl. No. 17/124,768.
Claims priority of application No. 10-2020-0084809 (KR), filed on Jul. 9, 2020.
Prior Publication US 2022/0008621 A1, Jan. 13, 2022
Int. Cl. A61L 27/50 (2006.01); A61L 27/16 (2006.01); B29C 59/02 (2006.01); B29C 71/04 (2006.01); B29K 101/12 (2006.01); B29L 31/00 (2006.01)
CPC A61L 27/50 (2013.01) [A61L 27/16 (2013.01); B29C 59/02 (2013.01); B29C 71/04 (2013.01); A61L 2400/12 (2013.01); A61L 2400/18 (2013.01); A61L 2430/02 (2013.01); B29K 2101/12 (2013.01); B29L 2031/753 (2013.01); Y10T 428/2457 (2015.01)] 13 Claims
OG exemplary drawing
 
1. A scaffold for tissue regeneration, the scaffold comprising:
a plurality of nitrogen or oxygen plasma-treated grooves and ridges on one surface thereof,
wherein the grooves or ridges have a plurality of nanopores formed thereon,
wherein the nanopore has a diameter of 50 to 200 nm.