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Radio-frequency auto-identification system for dialysis systems

  • US 8,330,579 B2
  • Filed: 07/05/2007
  • Issued: 12/11/2012
  • Est. Priority Date: 07/05/2007
  • Status: Active Grant
First Claim
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1. A medical fluid delivery system comprising:

  • a dialysis instrument;

    a disposable pumping cassette operable with a pumping actuator of the dialysis instrument, the disposable cassette including or connected fluidly to a plurality of first connectors;

    a plurality of second connectors configured to interface with the first connectors, each of the plurality of second connectors connected to a fluid conduit and configured to be attached to an auto-connection mechanism;

    a plurality of housings, each of the plurality of housings carrying a radio frequency (“

    RFID”

    ) tag, each second connector associated with one of the RFID tags; and

    electronics positioned on the autoconnection mechanism, the electronics configured to read the RFID tags via a plurality of antennae and to identify that each of the second connectors is positioned properly with respect to a proper one of the first connector,wherein the autoconnection mechanism is configured to cause the plurality of second connectors along with the respective fluid conduits to be connected to the plurality of first connectors, and wherein the electronics are further configured to identify a position of each second connector relative to its respective first connector prior to the autoconnection mechanism connecting the second connectors to the first connectors.

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