US 12,329,890 B2
Blood treatment systems
Tommy Huang, Shanghai (CN); Dacey John Ryan, Suzhou (CN); Brad Yang, Shanghai (CN); and Alain Veneroni, Spino d'Adda (IT)
Assigned to Fresenius Medical Care Deutschland GmbH, Bad Homburg (DE)
Filed by Fresenius Medical Care Deutschland GmbH, Bad Homburg (DE)
Filed on Nov. 9, 2020, as Appl. No. 17/093,028.
Claims priority of provisional application 62/934,243, filed on Nov. 12, 2019.
Prior Publication US 2021/0138137 A1, May 13, 2021
Int. Cl. A61M 1/16 (2006.01); A61M 1/36 (2006.01)
CPC A61M 1/1698 (2013.01) [A61M 1/1601 (2014.02); A61M 1/3622 (2022.05); A61M 1/3627 (2013.01); A61M 1/362227 (2022.05)] 22 Claims
OG exemplary drawing
 
1. A deaeration chamber comprising:
a housing including a top portion and a bottom portion, the housing defining a central axis and a chamber between the top and bottom portions; and
an inlet passage member extending within the chamber from the bottom portion, the inlet passage member extending toward the top portion along the central axis, an end portion of the inlet passage member defining a spiral-channel outlet through which liquid enters the chamber,
wherein the bottom portion defines a chamber outlet below the spiral-channel outlet and wherein the chamber outlet is farther from the central axis than the spiral-channel outlet.