US 12,357,539 B1
Vial adapter and injection kit for withdrawing a liquid medicament from an injection vial
Haiming Wu, Weston, MA (US); and Danial Ferreira, Woodbridge, CT (US)
Assigned to Genzyme Corporation, Cambridge, MA (US)
Filed by Genzyme Corporation, Cambridge, MA (US)
Filed on May 16, 2024, as Appl. No. 18/666,320.
Int. Cl. A61J 1/20 (2006.01)
CPC A61J 1/2065 (2015.05) [A61J 1/2013 (2015.05); A61J 1/2055 (2015.05)] 15 Claims
OG exemplary drawing
 
1. A vial adapter for connecting to an injection vial, the injection vial comprising a barrel and a barrel head with an outlet, wherein the outlet is sealed by a pierceable stopper and wherein the pierceable stopper comprises an inside surface, the vial adapter comprising:
an adapter body comprising a top wall and a sidewall, the sidewall projecting from the top wall in a longitudinal direction to form a receptacle with a distal side of the top wall, wherein the receptacle is configured to receive at least a portion of the barrel head; and
a movable part comprising a base part and an elongated fluid channel extending through the top wall along the longitudinal direction, the elongated fluid channel comprising a proximal channel section merging into a mechanical connector and comprising a distal channel section with a channel aperture,
wherein the movable part is adjustably movable relative to the adapter body along the longitudinal direction to align the channel aperture with the inside surface of the pierceable stopper,
wherein when the channel aperture is aligned with the inside surface of the pierceable stopper, the channel aperture is flush with a distally-facing side of the inside surface, and
wherein the elongated fluid channel comprises an elongated channel sidewall and a channel projection, the channel projection (i) is longitudinally aligned with the channel aperture, (ii) comprises a proximally facing abutment face configured to abut the inside surface of the pierceable stopper, (iii) extends laterally from the elongated fluid channel, and (iv) protrudes laterally from the elongated channel sidewall.