US 11,806,461 B2
Blood purification device and method for producing same
Teruhiko Oishi, Tokyo (JP); Naoki Morita, Tokyo (JP); Keitaro Matsuyama, Tokyo (JP); Hiroshi Tajima, Tokyo (JP); and Toshinori Koizumi, Tokyo (JP)
Assigned to ASAHI KASEI MEDICAL CO., LTD., Tokyo (JP)
Appl. No. 17/042,024
Filed by ASAHI KASEI MEDICAL CO., LTD., Tokyo (JP)
PCT Filed Mar. 29, 2019, PCT No. PCT/JP2019/014337
§ 371(c)(1), (2) Date Sep. 25, 2020,
PCT Pub. No. WO2019/189884, PCT Pub. Date Oct. 3, 2019.
Claims priority of application No. 2018-068794 (JP), filed on Mar. 30, 2018.
Prior Publication US 2021/0353845 A1, Nov. 18, 2021
Int. Cl. A61M 1/36 (2006.01); B01J 20/06 (2006.01); B01J 20/28 (2006.01); B01J 20/30 (2006.01); B01J 20/32 (2006.01)
CPC A61M 1/3679 (2013.01) [B01J 20/06 (2013.01); B01J 20/28004 (2013.01); B01J 20/2805 (2013.01); B01J 20/3007 (2013.01); B01J 20/327 (2013.01); B01J 20/3212 (2013.01)] 11 Claims
OG exemplary drawing
 
1. A blood purification device comprising a porous molded body comprising a porous molded body-forming polymer and an inorganic ion adsorbent, wherein the relationship B=−0.02 A+2.175±0.185 (74≤A≤94) is satisfied, where A is the water content and B is the bulk density of the porous molded body, while the number of microparticles with sizes of 10 μm or greater is no more than 25 and the number of microparticles with sizes of 25 μm or greater is no more than 3, in 1 mL of the physiological saline for injection at 3 months and 6 months after the physiological saline for injection has been encapsulated in the blood purification device.