Device and method for depletion of the leukocyte content of blood and blood components

  • US 4,925,572 A
  • Filed: 10/19/1988
  • Issued: 05/15/1990
  • Est. Priority Date: 10/20/1987
  • Status: Expired due to Term
First Claim
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1. A device for the depletion of the leukocyte content of a blood product comprising at least first, second, and third preformed porous elements with the second element interposed between the first and third elements, each successive element having a smaller pore diameter than that preceding it, the first element including means for removing gels, the second element including means for removing microaggregates, and the third element including means for removing leukocytes in which at least the third element has a CWST of from greater than 53 to less than 90 dynes/cm.

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