Patent ID: 11951295
Assignee: GAMBRO LUNDIA AB
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 40:
41. The apparatus of claim 40, wherein the rinse-back procedure comprises:
blocking a fluid flow towards a first end of the blood removal line;
enabling fluid flow through the blood return line;
controlling the replacement fluid pump to convey fluid at a first flow rate from the replacement fluid container towards the treatment unit;
controlling the replacement fluid pump to stop conveying fluid when a second predetermined amount of fluid has been conveyed; and
disabling fluid flow through the blood return line,
wherein the rinse-back procedure further comprises, while controlling the replacement fluid pump to convey fluid at a first flow rate from the replacement fluid container towards the treatment unit and after a predetermined pumped fluid volume with the replacement fluid pump, controlling the blood pump to convey fluid in reverse at a second flow rate towards the first end of the blood removal line, the first flow rate being higher than the second flow rate;
and wherein the rinse-back procedure comprises controlling the blood pump to stop conveying fluid when a target amount of fluid has been conveyed.