摘要 |
A dialysate regeneration system for removing contaminants from spent dialysate according to this invention includes a dialysate circulation flow path including a pump (130) that pumps spent dialysate through the dialysate circulation flow path, a first cartridge (140) adapted to remove contaminants from the spent dialysate and being connected to a first cleaning solution flow path including a first cleaning stage (240), a second cartridge (150) adapted to remove urea from the spent dialysate, the second cartridge including semi-permeable hollow fibers adapted for transport of urea across the walls of the semi-permeable hollow fibers and adapted to retain at least calcium, magnesium, and sodium ions in the spent dialysate, the second cartridge being connected to a second cleaning solution flow path including a second cleaning stage (340). |
申请人 |
FRESENIUS MEDICAL CARE HOLDINGS, INC. |
发明人 |
OFSTHUN, NORMA, J.;SANDFORD, HAROLD, F.;STENNETT, AMANDA, K.;TEO, JIUNN, YEONG;FORD, CHERYL;LIPPS, BENJAMIN, J |