US 11,986,440 B2
Piercing member for vial adapter
Paul Paia Marici, Piscataway, NJ (US); and Weston F. Harding, Lehi, UT (US)
Assigned to Becton Dickinson and Company Limited, Dun Laoghaire (IE)
Appl. No. 17/056,657
Filed by Becton Dickinson and Company Limited, Dun Laoghaire (IE)
PCT Filed Jun. 17, 2019, PCT No. PCT/US2019/037471
§ 371(c)(1), (2) Date Nov. 18, 2020,
PCT Pub. No. WO2019/245962, PCT Pub. Date Dec. 26, 2019.
Claims priority of provisional application 62/686,144, filed on Jun. 18, 2018.
Prior Publication US 2021/0205174 A1, Jul. 8, 2021
Int. Cl. A61J 1/20 (2006.01)
CPC A61J 1/201 (2015.05) [A61J 1/2048 (2015.05); A61J 1/2072 (2015.05); A61J 1/2096 (2013.01); A61J 1/2055 (2015.05)] 23 Claims
OG exemplary drawing
 
1. A vial adapter comprising:
a body having a component connection interface and a vial connection interface, the component connection interface configured to engage a connection interface of a mating component;
a pressure equalization assembly including a chamber configured to expand from a first volume to a second volume larger than the first volume; and
a piercing member having a first end connected to the body and a second end positioned opposite the first end, the piercing member and the body defining a fluid passageway and a pressure equalization passageway, the fluid passageway is in fluid communication with the component connection interface, the pressure equalization passageway is in fluid communication with the chamber of the pressure equalization assembly, the piercing member defining first and second fluid ports in fluid communication with the fluid passageway and a pressure equalization port in fluid communication with the pressure equalization passageway, the second end of the piercing member includes a piercing point configured to pierce a closure of a vial, the first and second fluid ports extending from a position intermediate the first and second ends of the piercing member to the second end of the piercing member, the first fluid port, the second fluid port, and a portion of the piercing member in combination defining a V-shaped profile at the second end of the piercing member that directs fluid into the first and second fluid ports.