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Selective plasma exchange therapy

  • US 20060129082A1
  • Filed: 08/11/2003
  • Published: 06/15/2006
  • Est. Priority Date: 08/13/2002
  • Status: Abandoned Application
First Claim
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1. A method for removing from a patient'"'"'s blood a specific plasma fraction containing substances within a specific molecular weight range, the method comprising the steps of:

  • (a) attaching to the blood stream of the patient a blood perfusion means for extracorporeal blood circulation, the blood perfusion means comprising a selective filtration means;

    (b) removing blood from the blood stream of the patient, and conveying the blood extracorporeally to the selective filtration means;

    (c) filtering the blood with the selective filtration means, the selective filtration means being adapted for removing the specific plasma fraction from the blood, at a first rate of about 1 to about 20 ml/min for a period of about 1 to about 24 hours;

    (d) returning the filtered blood to the patient, minus the specific plasma fraction; and

    (e) simultaneously infusing the patient with a plasma substitute at a second rate about equal to the first rate.

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