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Plasmapheresis apparatus

  • US 4,086,924 A
  • Filed: 10/06/1976
  • Issued: 05/02/1978
  • Est. Priority Date: 10/06/1976
  • Status: Expired due to Term
First Claim
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1. Plasmapheresis apparatus, comprising, in combination:

  • means for withdrawing whole blood from a donor;

    means for supplying anticoagulant to said withdrawn whole blood;

    means for separating anticoagulated whole blood into plasma and non-plasma components;

    means for transporting anticoagulated, withdrawn, whole blood to said means for separating;

    a plasma container for receiving plasma from said means for separating;

    means for detecting when a predetermined quantity of separated plasma component has been introduced into said plasma container;

    means for returning non-plasma components from said means for separating to said donor;

    means for monitoring when said non-plasma components have been returned to said donor; and

    ,cycle control means for immediately switching from a withdraw cycle to a return cycle in response to said means for detecting and for immediately switching from a return cycle to a withdraw or stand-by cycle in response to said means for monitoring.

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