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Extracorporeal blood chamber

  • US 8,647,291 B2
  • Filed: 10/30/2006
  • Issued: 02/11/2014
  • Est. Priority Date: 10/30/2006
  • Status: Active Grant
First Claim
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1. An extracorporeal blood chamber for use in dialysis of a patient, comprising:

  • (a) an expansion reservoir provided with a bottom, a top, at least a first side extending between the bottom and the top, a first access arranged on said first side at a distance from said bottom and said top, and a second access;

    (b) a first blood conduit having an end and terminating in said first access, the first blood conduit adapted for connection to a blood line conveying arterial blood from the patient, the first blood conduit being effective to convey the arterial blood to the first access;

    (c) a second replacement fluid conduit terminating in said first side of the expansion reservoir, the second replacement fluid conduit adapted for connection to a replacement fluid line conveying replacement fluid, the second replacement fluid conduit being effective to convey the replacement fluid to the expansion reservoir;

    whereinthe first blood conduit terminates in the first access so that arterial blood which flows in the first blood conduit has a first flow direction having at least a first motion component directed towards the bottom of the expansion reservoir; and

    the second conduit terminates in the first side of the expansion reservoir below the end of the first conduit, with reference to a use configuration of the expansion reservoir in which the bottom and the top are arranged, respectively, inferiorly and superiorly.

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