Blood filter

Details Blood filter Blood filter

A - Human Necessities

61

M

183/14

A61M 1/36 (2006.01) A61M 1/32 (2006.01)

Patent

CA 1240275

BLOOD FILTER Abstract A filter device for a cardiotomy reservoir comprises multiple layers of concentric, tubular elements with a central passage for supply of blood, purified by passage through the device. A first, inner element for defoaming the blood comprises a porous sponge material within a second element comprising a depth filter medium for filtering the blood. The depth filter is surrounded by a third element of porous sponge material spacing apart the depth filter and the outer, fourth element, a fine-filter screen for removing substantially all remaining, undesirable particulate matter in the blood.

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