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Check valves for microfluidic systems and methods thereof

United States Patent

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10,478,818
November 19, 2019
View the Complete Patent at the US Patent & Trademark Office
The present invention relates to microfluidic check valves, as well as fluidic cartridges including such check valves. In particular examples, the check valve includes a pre-stressed spring formed from a planar substrate. Various characteristics of the valves, such as size, profile, opening pressure, etc., can be tuned to provide desired performance when employed within a fluidic cartridge.
15/447,581
March 2, 2017
1/1;
B01L 3/00 (20060101); F16K 99/00 (20060101);
;422/503,500,50
STATEMENT OF GOVERNMENT INTEREST This invention was made with Government support under contract no. DE-AC04-94AL85000 awarded by the U.S. Department of Energy to Sandia Corporation. The Government has certain rights in the invention.