US 11,969,532 B2
Microstructured discrimination device
Lukas Bluecher, Eurasberg (DE); and Michael Milbocker, Holliston, MA (US)
Assigned to BVW Holding AG, Cham (CH)
Filed by BVW Holding AG, Cham (CH)
Filed on Nov. 15, 2022, as Appl. No. 17/986,965.
Application 17/986,965 is a continuation of application No. 16/690,666, filed on Nov. 21, 2019, granted, now 11,517,654.
Claims priority of provisional application 62/770,565, filed on Nov. 21, 2018.
Prior Publication US 2023/0158224 A1, May 25, 2023
Int. Cl. A61M 1/36 (2006.01); B01L 3/00 (2006.01); G01N 33/49 (2006.01); B01D 17/00 (2006.01)
CPC A61M 1/3633 (2013.01) [B01L 3/502753 (2013.01); A61M 2202/0423 (2013.01); A61M 2202/0427 (2013.01); A61M 2202/0429 (2013.01); B01D 17/00 (2013.01); B01D 2221/10 (2013.01); B01L 2300/161 (2013.01); G01N 33/491 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A fluid separating device comprising:
at least one directing channel having a first end and a second end, the second end being in fluid communication with a plurality of separation channels, and
the plurality of separation channels having at least a first separation channel and a second separation channel wherein each of the at least first separation channel and second separation channel include a surface comprising a hierarchical microstructure configured to selectively direct flow of a fluid; and wherein the first separation channel and the second separation channel comprise distinct surface energy gradients.