Importance

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Abstract

A haemodialysis machine 1 comprises: an extracorporeal blood circuit 10, a dialyser 20, a dialysate circuit 30 and a control unit 40, wherein the extracorporeal blood circuit 10 and the dialysate circuit 30 are respectively in fluid communication with the dialyser 20; and a first extracorporeal blood sensor unit 50 comprising an analyte sensor 51, configured to provide signals responsive to sensing of analytes, and an auxiliary circuit 52, wherein the first extracorporeal blood sensor unit 50 is fluidically coupled to the extracorporeal blood circuit 10; wherein the first extracorporeal blood sensor unit 50 is arrangeable in: a first arrangement, wherein the analyte sensor 51 is in fluid communication with the extracorporeal blood circuit 10; and a second arrangement, wherein the analyte sensor 51 is in fluid communication with the auxiliary circuit 52; optionally, wherein the control unit 40 is configured to control the dialysate circuit 30 based, at least in part, on a first set of signals, including a first signal, received from the first extracorporeal blood sensor unit 50, provided by the analyte sensor 51 when the first extracorporeal blood sensor unit 50 is arranged in the first arrangement.

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First Claim