	US 11,944,726 B2
	Method for fabrication of additively manufactured, self-gelling structures and their use
Adam E. Jakus, Chicago, IL (US)
Assigned to DIMENSION INX CORP, Chicago, IL (US)
Filed by Dimension Inx Corp, Chicago, IL (US)
Filed on Mar. 18, 2022, as Appl. No. 17/698,787.
Claims priority of provisional application 63/212,420, filed on Jun. 18, 2021.
Prior Publication US 2022/0401630 A1, Dec. 22, 2022
Int. Cl. A61L 27/44 (2006.01); A61L 31/12 (2006.01); A61L 31/14 (2006.01); B29C 64/112 (2017.01); B33Y 10/00 (2015.01); B33Y 40/10 (2020.01); B33Y 40/20 (2020.01); B33Y 70/10 (2020.01); B33Y 80/00 (2015.01); B82Y 5/00 (2011.01)

CPC A61L 31/145 (2013.01) [A61L 31/129 (2013.01); A61L 31/146 (2013.01); B29C 64/112 (2017.08); B33Y 10/00 (2014.12); B33Y 40/10 (2020.01); B33Y 40/20 (2020.01); B33Y 70/10 (2020.01); B33Y 80/00 (2014.12); A61L 2400/12 (2013.01); B82Y 5/00 (2013.01)]

15 Claims

1. An ink composition for printing a 3D printed structure having one or more self-gelling components, the ink composition comprising:

a non-aqueous solvent-based polymer extrusion comprising and maintaining a dry gelling powder that is encapsulated, or integrated, within the polymer that is configured to be washed in dried alcohol and a water wash after extrusion, remain shelf-stable and in a dry form upon drying after extrusion, and gel upon hydration in an aqueous based solution after extrusion.