Patent ID: 11957639
Assignee: FENWAL, INC.
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 9:
10. A red blood cell product comprising:
(a) a container comprising one or more walls defining an interior chamber wherein at least a portion of the wall(s) is made of a composition comprising one or more polymeric materials and an extractable agent comprising a di-2-ethyl hexyl terephthalate, 1,2 cyclohexane dicarboxylic acid diisononyl ester and a citrate ester selected from the group of acetyltri-n-butyl citrate (ATBC) and n-butyryl-n-hexyl citrate (BTHC), in an amount that is effective to suppress hemolysis in red blood cells, wherein said composition comprises 20%-45%, by weight, of said di-2-ethyl hexyl terephthalate, 1,2 cyclohexane dicarboxylic acid diisononyl ester and said citrate ester;
(b) a suspension of red blood cells contained within said chamber, said suspension comprising:
(i) concentrated red blood cells; and
(ii) an additive solution comprising at least a nutrient and a buffer.