US 12,409,063 B2
Hydrodynamically actuated preservative free dispensing system
Yehuda Ivri, Newport Coast, CA (US)
Assigned to Bausch + Lomb Ireland Limited, Dublin (IE)
Filed by Bausch + Lomb Ireland Limited, Dublin (IE)
Filed on Feb. 7, 2024, as Appl. No. 18/435,403.
Application 18/435,403 is a continuation of application No. 17/233,105, filed on Apr. 16, 2021, granted, now 11,925,577.
Claims priority of provisional application 63/011,808, filed on Apr. 17, 2020.
Prior Publication US 2024/0238120 A1, Jul. 18, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. A61F 9/00 (2006.01); B05B 1/30 (2006.01); G02B 5/10 (2006.01)
CPC A61F 9/0008 (2013.01) [B05B 1/3006 (2013.01); G02B 5/10 (2013.01)] 15 Claims
OG exemplary drawing
 
10. An apparatus for delivering a fluid to an eye of a patient, the apparatus comprising:
a) a reservoir to accommodate the fluid;
b) a liquid dispenser in fluid communication with the reservoir, the liquid dispenser having a check valve through which the fluid can be selectively dispensed;
c) an actuator positioned to vibrate the liquid dispenser and generate fluid momentum from the fluid therein to open the check valve and eject the fluid therethrough; and
wherein the check valve is a pin member engaging an aperture.