Patent ID: 8585634

Claim:
A system for performing fluid administration on a patient comprising: a partial peristaltic pump ( 1 ), a liquid distribution system ( 2 ) that is a cartridge and that is separate from said pump and that is connected to said pump ( 1 ) in such a way that liquid can flow from the liquid distribution system ( 2 ) to the pump ( 1 ) and vice versa, liquid supply means ( 3 ) for supplying liquid to a patient ( 4 ) via said liquid distribution system ( 2 ) and said pump ( 1 ), a patient conduit ( 5 ) adapted for connecting said liquid distribution system ( 2 ) to a patient ( 4 ), wherein said liquid distribution system ( 2 ) comprises two distinct hub chambers ( 7 , 8 ) which are separated by a space, the first hub chamber ( 7 ) including at least one liquid supply port with dedicated valve means ( 9 ), one patient port with dedicated valve means ( 10 ) and one pump inlet ( 26 ), the second hub chamber ( 8 ) including at least one patient port ( 18 ) or warmer port ( 16 ) with dedicated valve means and one pump outlet ( 27 ), said system further comprising control means arranged to close said patient port ( 10 ) of the first hub chamber ( 7 ) when said liquid supply port ( 9 ) is open and vice versa and wherein all ports of the liquid distribution system that communicate with the pump are unidirectional such that liquid only flows in one direction.