US 11,723,797 B2
Non-gravitational fluid delivery device for ophthalmic applications
Timothy Stowe, Alameda, CA (US)
Assigned to TWENTY TWENTY THERAPEUTICS LLC, South San Francisco, CA (US)
Filed by Twenty Twenty Therapeutics LLC, South San Francisco, CA (US)
Filed on Nov. 28, 2022, as Appl. No. 18/59,172.
Application 18/059,172 is a continuation of application No. 15/931,482, filed on May 13, 2020, granted, now 11,510,809.
Claims priority of provisional application 63/024,373, filed on May 13, 2020.
Claims priority of provisional application 62/847,693, filed on May 14, 2019.
Prior Publication US 2023/0089768 A1, Mar. 23, 2023
Int. Cl. A61F 9/00 (2006.01); A61L 2/26 (2006.01); A61L 2/10 (2006.01); A61B 5/11 (2006.01)
CPC A61F 9/0008 (2013.01) [A61L 2/10 (2013.01); A61L 2/26 (2013.01); A61B 5/1103 (2013.01); A61F 2210/0071 (2013.01); A61L 2202/11 (2013.01); A61L 2202/24 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A fluid dispensing device, comprising:
a cartridge comprising a housing and a head coupled to the housing,
wherein the housing forms a first chamber configured to accommodate a fluid, and
wherein the head comprises:
a holding chamber in fluid communication with the first chamber and configured to accommodate a portion of the fluid prior to ejection;
a moveable wall on a first side of the holding chamber; and
a nozzle on a second side of the holding chamber opposite the moveable wall;
wherein the nozzle forms one or more openings to eject the portion of the fluid from the holding chamber.