US 12,357,538 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 Nov. 25, 2024, as Appl. No. 18/958,648.
Int. Cl. A61J 1/20 (2006.01)
CPC A61J 1/201 (2015.05) [A61J 1/2048 (2015.05)] 15 Claims
OG exemplary drawing
 
1. A vial adapter for connecting to an injection vial that comprises 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 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;
a movable part comprising a base part and a spike fixed to the base part, wherein the spike extends through the top wall in a distal direction into the receptacle;
an actuating member mechanically coupled to the movable part by a mechanical coupling and movable relative to the adapter body from a start position to an end position along a first direction to induce a distally directed displacement of the movable part relative to the adapter body,
wherein the mechanical coupling between the movable part and the actuating member is releasable when the actuating member is in the end position;
wherein the actuating member is actuatable by a user; and
wherein the mechanical coupling between the movable part and the actuating member remains intact when the movable part is located offset from the end position.