US 12,458,538 B2
Functional wound healing dressings
Pravansu Mohanty, Canton, MI (US); Zhuoran Wang, Novi, MI (US); and Subhendu Das, Farmington Hills, MI (US)
Assigned to Ambient Biosciences, Inc., Ann Arbor, MI (US)
Appl. No. 17/283,740
Filed by Ambient Biosciences, Inc., Ann Arbor, MI (US)
PCT Filed Oct. 24, 2019, PCT No. PCT/US2019/057810
§ 371(c)(1), (2) Date Apr. 8, 2021,
PCT Pub. No. WO2020/086812, PCT Pub. Date Apr. 30, 2020.
Claims priority of provisional application 62/749,974, filed on Oct. 24, 2018.
Prior Publication US 2021/0322229 A1, Oct. 21, 2021
Int. Cl. A61F 13/02 (2024.01); A61F 13/00 (2024.01); A61F 13/06 (2006.01); A61L 15/26 (2006.01); A61L 15/28 (2006.01); A61L 15/32 (2006.01); A61L 15/44 (2006.01)
CPC A61F 13/023 (2013.01) [A61F 13/00063 (2013.01); A61F 13/069 (2013.01); A61L 15/26 (2013.01); A61L 15/28 (2013.01); A61L 15/325 (2013.01); A61L 15/44 (2013.01); A61L 2300/256 (2013.01); A61L 2300/414 (2013.01); A61L 2300/602 (2013.01)] 27 Claims
OG exemplary drawing
 
1. A wound dressing device comprising:
a time release active agent delivery layer, the time release active agent delivery layer comprising a water stable polymer and a biodegradable polymer, the water stable polymer comprising one or more active agents in the form of a stable glassy vitrified material in contact with the water stable polymer, the time release active agent delivery layer configured such that the biodegradable polymer may release one or more active agents to a wound site over the course of a treatment time, wherein the one or more active agents comprise an antimicrobial peptide, an antibody, a growth factor, insulin, or combinations thereof.