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US 11,684,706 B2Granted
Dialysis machine and cleaning method for the dialysis machine
AssigneeFresenius Medical Care Deutschland GmbH
InventorsPia Daniel, Stephan Goessmann, Klaus Karl, Georg Verch
Life of this patent
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Abstract
The invention relates to a dialysis treatment unit in which the connecting line to the central concentrate supply is also rinsed in the rinsing or cleaning process in order to prevent deposits therein.
Claims7
A dialysis treatment unit having
- a preparation unit for dialysis solution preparation,
- an acid concentrate line connected independently to the preparation unit,
- a base concentrate line connected independently to the preparation unit,
- a water line connected independently to the preparation unit,
- at least one plastic tubing having first and second opposing ends, the first opposing end connected to the acid concentrate line and the second opposing end capable of being connected to a ring line of a central acid concentrate supply system,
- at least one valve in the acid concentrate line, and
- a control unit controlling opening of the at least one valve and configured to cause the transfer of acid concentrate out of the at least one plastic tubing and into the acid concentrate line during a rinsing or cleaning process in order to prevent crystal binding in the at least one plastic tubing.
4 more elements
Dependencies are inferred from the claim text.