US 11,806,309 B2
Syringe adapter with aspiration assembly
Matthew Oshinski, Oak Ridge, NJ (US); and Antonio Righez Mesquita, Temecula, CA (US)
Assigned to Becton Dickinson and Company Limited, Dun Laoghaire (IE)
Filed by Becton Dickinson and Company Limited, Dun Laoghaire (IE)
Filed on Feb. 15, 2022, as Appl. No. 17/672,399.
Application 17/672,399 is a continuation of application No. 16/381,464, filed on Apr. 11, 2019, granted, now 11,311,459.
Claims priority of provisional application 62/659,840, filed on Apr. 19, 2018.
Prior Publication US 2022/0168186 A1, Jun. 2, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. A61J 1/20 (2006.01)
CPC A61J 1/2096 (2013.01) [A61J 1/201 (2015.05); A61J 1/2037 (2015.05); A61J 1/2048 (2015.05); A61J 1/2082 (2015.05)] 18 Claims
OG exemplary drawing
 
1. A syringe adapter comprising:
a housing having a first end and a second end positioned opposite the first end, the housing including a connector body positioned at the first end of the housing and configured to be secured to a syringe barrel;
a cannula positioned within the housing, the cannula having a first end and a second end opposite the first end, the cannula defining a transfer opening and a one-way valve opening;
a seal arrangement positioned within the housing and movable within the housing, the seal arrangement comprising a membrane; and
an aspiration assembly positioned within the housing,
wherein the aspiration assembly comprises an aspiration housing defining an aspiration opening,
wherein the one-way valve opening of the cannula is positioned within the aspiration assembly, and
wherein the seal arrangement has a first position with the second end of the cannula received within the membrane of the seal arrangement and a second position with the second end of the cannula positioned outside of the membrane of the seal arrangement, the membrane of the seal arrangement engaging and sealing the aspiration opening of the aspiration housing when the seal arrangement is in the second position.