US 12,290,622 B2
Closed circulation system test apparatus for blood purification device using whole blood
Teruhiko Oishi, Tokyo (JP); Hiroshi Umeno, Tokyo (JP); and Hitomi Araki, Tokyo (JP)
Assigned to ASAHI KASEI MEDICAL CO., LTD., Tokyo (JP)
Appl. No. 17/915,700
Filed by ASAHI KASEI MEDICAL CO., LTD., Tokyo (JP)
PCT Filed Mar. 31, 2021, PCT No. PCT/JP2021/014056
§ 371(c)(1), (2) Date Sep. 29, 2022,
PCT Pub. No. WO2021/201181, PCT Pub. Date Oct. 7, 2021.
Claims priority of application No. 2020-064206 (JP), filed on Mar. 31, 2020.
Prior Publication US 2023/0130941 A1, Apr. 27, 2023
Int. Cl. A61M 1/34 (2006.01); A61M 1/16 (2006.01); B01D 63/02 (2006.01); A61M 1/36 (2006.01)
CPC A61M 1/3434 (2014.02) [A61M 1/1603 (2014.02); B01D 63/02 (2013.01); A61M 1/3623 (2022.05)] 6 Claims
OG exemplary drawing
 
1. A closed circulation test apparatus for performance evaluation testing of a blood purification device in a closed circuit in a state of non-contact with air, in which the blood purification device, a blood bag and a replacement fluid container are set, the closed circulation test apparatus comprising:
a blood supply line that sends blood from the blood bag to the blood purification device via a blood pump;
a blood return line that sends blood that has left the blood purification device to the blood bag via resistance device;
a filtrate line that sends filtrate that has left through a dialysate outlet of the blood purification device to the replacement fluid container via a filtrate pump; and
a dialysate line that sends dialysate or replacement fluid from the replacement fluid container to a dialysate inlet and/or the blood return line of the blood purification device via a dialysate pump.