| 摘要 |
<p>The filter device (16) for removing leukocytes is disclosed. The outer housing (18) enclosing the filter pad assembly (20) includes two sheets (44, 46) of flexible plastic material. The filter device (16) includes tangential side ports (36, 38) as an inlet and an outlet. The filter pad assembly (20) includes a composite of three media regions (28, 30, 32) including non-contiguous layers (40) having an overall thickness of greater than about 6 mm but not more than about 10 mm. Each non-contiguous layer (40) comprises an interlocked matrix of polyester fibers, fiberglass fibers, and cellulose acetate fibrets. The matrix has a number average fiber diameter no greater than about 0.23 micron.</p> |
