US 12,268,840 B2
System for dispensing fluid
Daniel E. Cook, McCordsville, IN (US)
Assigned to Proportion-Air, Inc, McCordsville, IN (US)
Filed by Proportion-Air, Inc., McCordsville, IN (US)
Filed on Jan. 21, 2022, as Appl. No. 17/581,006.
Claims priority of provisional application 63/140,262, filed on Jan. 22, 2021.
Prior Publication US 2022/0233766 A1, Jul. 28, 2022
Int. Cl. A61M 5/14 (2006.01); A61M 5/145 (2006.01); A61M 5/148 (2006.01); A61M 5/155 (2006.01); A61M 5/168 (2006.01); A61J 1/10 (2006.01); A61M 5/142 (2006.01)
CPC A61M 5/14593 (2013.01) [A61M 5/1483 (2013.01); A61M 5/155 (2013.01); A61M 5/16804 (2013.01); A61M 5/16881 (2013.01); A61J 1/10 (2013.01); A61M 2005/1402 (2013.01); A61M 2005/14204 (2013.01); A61M 2205/3389 (2013.01); A61M 2205/3561 (2013.01); A61M 2205/3569 (2013.01); A61M 2205/3576 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A system for dispensing fluid comprising:
a housing defining a chamber;
an inflatable bag disposed in the chamber and including an inner volume that contains a fluid, the inner volume of the bag being in fluid communication with a flow path for flow of the fluid out of the bag;
a pressure source in fluid communication with the inner volume of the bag via an inlet for inflating the bag to force the fluid from the bag to the flow path at a controlled rate;
wherein the bag inflates against an inner surface of the housing such that, prior to the bag being fully inflated, the fluid contained in the bag is forced from the bag at the controlled rate.