Patent ID: 8647291
Filing Date: 2014-02-11
Classification: A61M

Abstract:
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; wherein the 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.