BLOOD COLLECTION SYSTEMS INCLUDING AN INTEGRAL, FLEXIBLE FILTER

    公开(公告)号:CA2368645C

    公开(公告)日:2010-01-26

    申请号:CA2368645

    申请日:2001-02-01

    Applicant: BAXTER INT

    Abstract: Blood collection systems include an integral flexible filter to remove leukocytes from blood components. Filter includes first and second flexible sheets comprising a meltable material, a depth filter medium comprising a meltable material, a peripheral seal joining the sheets directly to the filter medium to encapsulate the filter medium between the first and second sheets where the seal includes a comingled melted matrix comprising material of the sheets and material of the filter medium. Filter also includes inlet and outlet ports and is "non-directional" so each port can be oriented to serve either as an inlet or an outlet port. The filter medium comprises prefilter and postfilter layers each made of fibrous material having a pore size and fiber diameter not suited for leukocyte removal.

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