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System and method for automated platelet wash

  • US 8,808,978 B2
  • Filed: 11/15/2010
  • Issued: 08/19/2014
  • Est. Priority Date: 11/05/2010
  • Status: Active Grant
First Claim
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1. A method for washing platelets comprising:

  • (a) introducing anticoagulant into a platelet product container containing platelet product, the platelet product containing platelets suspended within a supernatant;

    (b) drawing anticoagulated platelet product from the platelet product container;

    (c) introducing the anticoagulated platelet product into a centrifuge bowl and centrifuging the anticoagulated platelet product to separate the platelets from the supernatant;

    (d) introducing a wash solution into the centrifuge bowl, the wash solution displacing the supernatant from the bowl into a waste container;

    (e) introducing platelet additive solution into the centrifuge bowl, the platelet additive solution displacing the wash solution from the centrifuge bowl into the waste container;

    (f) jogging the centrifuge bowl by accelerating and decelerating the centrifuge bowl;

    (g) repeating step (f) at least once to resuspend the platelets in the platelet additive solution.

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