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Apparatus and method for identifying a tubing system for an extracorporeal blood treatment device

  • US 9,119,922 B2
  • Filed: 05/15/2010
  • Issued: 09/01/2015
  • Est. Priority Date: 05/19/2009
  • Status: Active Grant
First Claim
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1. An apparatus for extracorporeal blood treatment comprising:

  • a dialyser or filter having a first chamber and a second chamber separated by a semipermeable membrane;

    at least one pump to be operated at a predetermined rotational speed n for pumping fluid in a tubular line system to be inserted into the extracorporeal blood treatment apparatus; and

    a central control unit for controlling the extracorporeal blood treatment apparatus; and

    a device for recognizing the tubular line system to be inserted into the extracorporeal blood treatment apparatus comprising;

    an evaluation unit configured such that the tubular line system is recognized on the basic principle of the flow rate Q with which the fluid is pumped in a tubular line section of the tubular line system by the at least one pump, depending on the rotational speed n at which the at least one pump is operated, and the internal diameter d of the tubular line section.

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