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    4.
    发明专利
    未知

    公开(公告)号：AT383901T

    公开(公告)日：2008-02-15

    申请号：AT00972096

    申请日：2000-10-12

    Applicant: BAXTER INT

    Inventor： BROWN RICHARD ,  FOLEY JOHN ,  PATNO TIMOTHY

    IPC: B01D17/12 ,  G01N33/49 ,  A61M1/02 ,  A61M1/30 ,  A61M1/36 ,  B01D17/02 ,  B01D21/24 ,  B01D21/26 ,  B04B5/04 ,  B04B13/00 ,  G01N21/59

    Abstract: Blood processing systems and methods separate blood into constituents including a plasma constituent that includes a platelet volume. The systems and methods detect the optical density of the plasma constituent and generate a first output indicative of the optical density. A processing element integrates the first output relative to the volume of plasma constituent and generates an integrated output. The integrated output correlates to the platelet volume. A second processing element generates an output based, at least in part, upon the integrated output, which comprises a value indicating a blood volume that needs be processed to obtain a desired platelet volume.

    8.
    发明专利
    未知

    公开(公告)号：DE69130902T2

    公开(公告)日：1999-09-30

    申请号：DE69130902

    申请日：1991-12-20

    Applicant: BAXTER INT ,  QUADRA LOGIC TECH INC

    Inventor： WOLF LUDWIG ,  FOLEY JOHN ,  BRATTEN WILLIAM ,  STONEFIELD MICHAEL ,  KUNZ GARY

    IPC: A61L2/00 ,  A61L2/08 ,  A61L2/10 ,  A61M1/36 ,  B01J19/12

    Abstract: A system and method for treating a fluid carrying a contaminant to which a photoactive material has been bound include a treatment device that defines a flow passage with a gap. The system and method operate to establish a flow of fluid from the inlet end of the gap to the outlet end of the gap. The system and method also channel the flow of fluid in the gap in succession through one or more flow paths. The system and method establish at least two discrete sources of radiation in the flow path at spaced apart locations along the direction of fluid flow. At least one of the radiation sources comprises a photodiode. The system and method further include a control for operating each discrete source of radiation at a selected wavelength within the prescribed range to activate the photoactive material bound to the contaminant. Upon activation, the material eradicates the contaminant. The system and method provide extracorporeal treatment of fluids like blood to quickly and effectively eradicate infection agents at relatively high flow rates.

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