Patent number: 11878101
Abstract: A blood purification device includes a porous molded body containing an inorganic ion-adsorbing material and is characterized by the following: the concentrations of Mg, Al, Ti, V, Cr, Mn, Fe, Ni, Cu, Zn, Ga, Rb, Sr, Y, Zr, Mo, Ru, Ag, Cd, Sn, Cs, La, Pr, Sm, Gd, Tb, Ta, Au, Tl, Co, In, and Bi are each 0.1 ppb or less and the concentrations of Ba, Nd, Pb, And Ce are each 1 ppb or less in a physiological saline solution for injection both three months and six months after said physiological saline solution for injection is sealed in the blood purification device; and the number of fine particles having a size of 10 ?m or more is 25 or less and the number of fine particles having a size of 25 ?m or more is 3 or less in 1 mL of the physiological saline solution for injection.
Type:
Grant
Filed:
March 29, 2019
Date of Patent:
January 23, 2024
Assignee:
ASAHI KASEI MEDICAL CO., LTD.
Inventors:
Teruhiko Oishi, Makoto Ozeki, Keitaro Matsuyama, Naoki Morita, Hiroshi Tajima, Toshinori Koizumi