US 12,263,480 B2
Diagnostic device with integrated sampler and holder
Brian David Babcock, Columbia, TN (US)
Filed by Brian David Babcock, Columbia, TN (US)
Filed on Sep. 2, 2021, as Appl. No. 17/465,078.
Claims priority of provisional application 63/074,553, filed on Sep. 4, 2020.
Prior Publication US 2022/0097044 A1, Mar. 31, 2022
Int. Cl. B01L 3/00 (2006.01); G01N 33/02 (2006.01); G01N 33/18 (2006.01); G01N 33/24 (2006.01); G01N 33/52 (2006.01)
CPC B01L 3/50273 (2013.01) [B01L 3/5023 (2013.01); B01L 3/565 (2013.01); G01N 33/02 (2013.01); G01N 33/18 (2013.01); G01N 33/24 (2013.01); G01N 33/521 (2013.01); B01L 2200/0689 (2013.01); B01L 2300/042 (2013.01); B01L 2300/161 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An analytical device comprising
A) A first sealed compartment comprising an extraction solvent or extraction reagent within the device wherein the first sealed compartment comprises a seal over an opening,
B) A second compartment comprising an opening, wherein the opening of the second compartment is aligned with the opening of the first compartment,
C) A reaction region comprising one or more reaction reagents wherein at least a portion of the reaction region is located below at least a portion of the first or second compartment and is configured to receive liquid flowing from the first or second compartment,
D) A first fluid passage connecting the first or second compartment to the reaction region wherein the first fluid passage comprises a first surface energy gradient coating,
E) A detection region comprising one or more detection agents wherein the detection region is located downstream of the reaction region and is configured to receive liquid flowing from the reaction region,
F) A third compartment having an opening wherein at least a portion of the third compartment is located above the reaction region, and
wherein the openings of the first, second, and third compartments are configured to receive at least a portion of a sampler.