Blood filter media
AssigneesJohnson & Johnson, Purolator, Inc.
InventorsHerman Charles Mouwen, William Lauer, Steven Louis Weinberg
Life of this patent
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Abstract
An improved blood filter media comprising a woven fabric having a pore size distribution rating of 20 microns and being woven with monofilament yarns in a regular, even-sided twill weave.
Claims2
In a unit for filtering blood, the improvement comprising an uncalendered, unbonded, woven fabric filter media having a nominal pore size rating of 20 microns, a pore size distribution range of from 17 microns to 23 microns, and woven with monofilament yarns having a yarn diameter of from 30 microns to 36 microns, said media being woven in a two-up and two-down twill weave, whereby the media is stable and retains its nominal pore size rating and pore size distribution range during use.
Dependencies are inferred from the claim text.