US 12,239,823 B2
Drug mixing and delivery system and method
Brent A. Buchine, Austin, TX (US); Adam R. Standley, Cambridge, MA (US); and Christopher J. Stepanian, Somerville, MA (US)
Assigned to Windgap Medical, Inc., Watertown, MA (US)
Filed by Windgap Medical, Inc., Watertown, MA (US)
Filed on Nov. 21, 2022, as Appl. No. 17/991,676.
Application 17/991,676 is a continuation of application No. 14/576,179, filed on Dec. 18, 2014, abandoned.
Claims priority of provisional application 62/016,260, filed on Jun. 24, 2014.
Claims priority of provisional application 61/917,925, filed on Dec. 18, 2013.
Prior Publication US 2023/0088439 A1, Mar. 23, 2023
Int. Cl. A61M 5/24 (2006.01); A61K 9/00 (2006.01); A61K 31/137 (2006.01); A61K 31/4045 (2006.01); A61K 38/00 (2006.01); A61K 38/26 (2006.01); A61K 45/06 (2006.01); A61M 5/14 (2006.01); A61M 5/19 (2006.01); A61M 5/20 (2006.01); A61M 5/28 (2006.01); A61M 5/32 (2006.01); A61M 5/44 (2006.01)
CPC A61M 5/2448 (2013.01) [A61K 9/0019 (2013.01); A61K 31/137 (2013.01); A61K 31/4045 (2013.01); A61K 38/26 (2013.01); A61K 45/06 (2013.01); A61M 5/1409 (2013.01); A61M 5/19 (2013.01); A61M 5/2046 (2013.01); A61M 5/284 (2013.01); A61M 5/3294 (2013.01); A61M 5/44 (2013.01); A61K 38/00 (2013.01); A61M 2205/364 (2013.01); A61M 2205/366 (2013.01)] 13 Claims
OG exemplary drawing
 
1. An autoinjector comprising:
a dry chamber comprising a dry epinephrine composition; and
a wet chamber comprising a liquid acid composition, wherein the dry chamber is sealed from the wet chamber prior to activation,
wherein activation of the autoinjector results in mixing of the liquid acid composition from the wet chamber with the dry epinephrine composition from the dry chamber.