Patent ID: 7270757

Claim:
A filter device for filtering blood or blood product to remove components of the blood or blood product from the blood or blood product comprising: a body having a partition wall fixed to the inner periphery of said body, said partition wall dividing said body into a first filter well on the first side of said partition wall, and a second filter well on the second side of said partition wall, a first filtration media having a first surface and a second surface, comprised of at least one filter element disposed within and sealed to said first filter well to prevent bypass around said first filtration media, with the outer edge of all of the filter elements of said first filtration media disposed below the top of said first filter well, a second filtration media having a first surface and a second surface, comprised of at least one filter element disposed within and sealed to said second filter well to prevent bypass around said second filtration media, with the outer edge of all of the filter elements of said second filtration media disposed below the top of said second filter well, a first chamber located between the first surface of said first filtration media and the first side of said partition wall, a second chamber located between the first surface of said second filtration media and the second side of said partition wall, with said partition wall containing a through slot, with said through slot being in fluid flow communication with said first chamber, and in fluid flow communication with said second chamber, an first port leading outside of said device in fluid flow communication with said through slot, a front cover, sealed with a first seal to the outer periphery of said first filter well, a back cover, sealed with a second seal to the outer periphery of said second filter well, a third chamber located between the second surface of said first filtration media and the inside wall side of said front cover, a fourth chamber located between the second surface of said second filtration media and the inside wall side of said back cover, a second port leading outside of said device in fluid flow communication with said third chamber, a third port leading outside of said device in fluid flow communication with said fourth chamber.