ALEXANDRIA, Va., June 25 -- United States Patent no. 12,336,960, issued on June 24, was assigned to ADVCARE MEDICAL INC. (New Taipei, Taiwan).
"Closed system transfer device" was invented by Hsi-chin Tsai (New Taipei, Taiwan) and Jhih-Syuan Jhou (New Taipei, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A closed system transfer device (CSTD) includes a barrel, a plunger, and a connecting port fixed to the barrel. The barrel includes a first cavity and a second cavity, which are separated. A piston of the plunger is operably moved within the first cavity and divides the first cavity into a first region and a second region that communicates with the second cavity. The connecting port includes a first c...