ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,551,406, issued on Feb. 17, was assigned to HYSENSBIO (Gwacheon-si, South Korea).
"Drug mixing unit for syringe" was invented by Joo Hwang Park (Incheon, South Korea) and Dong Seol Lee (Seoul, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A drug mixing unit for a syringe is disclosed. The drug mixing unit contains a barrel member having a first flow path through which a liquid drug is to be pushed in; and a plug member having an insertion part inserted into the barrel member, the insertion part having a second flow path, for drawing out a drug mixture, formed on inner side thereof and a through hole, connected to the second flow path, forme...