US 12,420,222 B2
Filter assembly and container for collecting a body fluid containing the same
Paolo Verri, Carpi (IT); Matteo Boselli, San Felice sul Panaro (IT); and Laura Zambianchi, Reggio Emilia (IT)
Assigned to Fresenius Hemocare Italia S.R.L., Mirandola (IT)
Filed by Fresenius Hemocare Italia S.R.L., Mirandola (IT)
Filed on Sep. 2, 2022, as Appl. No. 17/902,217.
Claims priority of application No. 21195036 (EP), filed on Sep. 6, 2021.
Prior Publication US 2023/0074586 A1, Mar. 9, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. B01D 39/16 (2006.01); A61M 1/00 (2006.01); A61M 1/02 (2006.01); A61M 1/36 (2006.01)
CPC B01D 39/1623 (2013.01) [A61M 1/0281 (2013.01); A61M 1/3627 (2013.01); A61M 1/60 (2021.05); B01D 2239/0613 (2013.01); B01D 2239/0618 (2013.01); B01D 2239/0627 (2013.01); B01D 2239/0636 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A filter assembly for filtering a body fluid comprising a filter holder and a filter system downstream of the filter holder;
wherein the filter system and the filter holder are in contact with each other,
wherein the filter system comprises a cuboid frame structure with six rectangular surface areas A1-A6, and
wherein five of the six surface areas A1-A5 are covered by a filtering media, and wherein the sixth surface area A6 is in contact with the filter holder; and
wherein the filtering media comprises at least a first material and a second material and wherein the first material is a defoaming material made of a monofilament woven open mesh fabric and the second material is a depth filter material made of a spunbond nonwoven fabric or a polyurethane foam.