Abstract: A peritoneal dialysis system comprises a cycler including a pump actuator; a disposable set including a pumping portion operable with the pump actuator, a patient line positioned to fluidly communicate with the pumping portion, and a drain container positioned to fluidly communicate with the pumping portion; and a control unit configured to cause the pump actuator to actuate the pumping portion to (i) run a peritoneal dialysis treatment in which fresh dialysis fluid is pumped through the patient line to a patient and used dialysis fluid is pumped from the patient to the drain container, and (ii) at the end of treatment, pump the used dialysis fluid from the drain container, through the patient line, to a house drain.

Abstract: A dialysis machine operable with a disposable set having at least one container, the dialysis machine including a pump actuator operable to pump dialysis fluid to and/or from the at least one container; a weigh plate positioned to support the at least one container; a plurality of operational load cells positioned to support the weigh plate; a linear actuator positioned to apply a force to the weigh plate; a calibration load cell positioned to measure the force applied by the linear actuator; and a control unit in operable communication with the operational load cells, the linear actuator and the calibration load cell, the control unit configured to cause the linear actuator to apply the force to the weigh plate, compare resulting outputs from the operational load cells and the calibration load cell, and determine a calibration factor from the comparison for offsetting future outputs from the operational load cells.