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Systems and methods for removing free and entrained contaminants in plasma

  • US 6,695,805 B1
  • Filed: 05/05/1998
  • Issued: 02/24/2004
  • Est. Priority Date: 12/20/1990
  • Status: Expired due to Fees
First Claim
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1. A system for treating plasma after separation from whole blood comprisinga source container holding plasma after separation from whole blood, tubing adapted to be coupled the source container to convey plasma from the source container, a filter in the tubing to separate leukocytes from plasma conveyed from the source container comprising a fibrous prefilter medium to remove aggregates from the plasma by adsorption, and, in a downstream flow direction from the fibrous prefilter medium, a downstream membrane filter medium having pores sized to remove leukocytes by exclusion, and means for adding a photoactive material to the plasma.

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