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Device and method for transporting medicinal liquids

  • US 8,430,833 B2
  • Filed: 05/26/2006
  • Issued: 04/30/2013
  • Est. Priority Date: 05/27/2005
  • Status: Active Grant
First Claim
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1. A dialysis machine, comprising:

  • a device that delivers a concentrate used for preparing a dialysis fluid in the dialysis machine, includingat least one pump configured as a displacement pump with a suction side and a pressure side; and

    at least one control unit that controls operation of the pump,the pump being actuated by the control unit such that during a single suction stroke in a first operating condition,on the suction side the pump sucks in a volume of the concentrate exceeding a desired delivery volume thereof so as to discharge the desired delivery volume, andon the pressure side discharges portions of the volume sucked in by performing a plurality of partial delivery strokes as partial volumes which are smaller than the volume sucked in, the partial volumes each corresponding to the desired delivery volume.

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