Extracorporeal blood filter system

Details Extracorporeal blood filter system Extracorporeal blood filter system

2007-03-23

2009-11-24

Menon, Krishnan S (Department: 1797)

Liquid purification or separation

Filter

Within flow line or flow line connected close casing

C210S497010, C210S090000, C210S645000, C210S646000, C210S637000, C210S767000, C604S006090, C604S333000, C604S405000, C604S004010, C604S005010, C422S044000, C422S045000

Reexamination Certificate

active

07621407

ABSTRACT:
A blood filter system used for the sequential filtering of blood while actively removing air bubbles and debris comprising a filter housing with unique conical, or cylindrical shape, a flared inlet port, a unique up and down blood flow path, a multi-stage sequential filter assembly, an active air purge assembly and a unique downspout assembly with outlet port. The filter housing is adapted so that blood passes from the inlet port through the multi-stage sequential filter assembly to the outlet port following an up and down flow path, while its unique shape and angled filters effectively direct any air bubbles and debris up and out of the blood stream toward the active air purge assembly where they are removed.

REFERENCES:
patent: 4305782 (1981-12-01), Ostreicher et al.
patent: 5374257 (1994-12-01), Drainville et al.
patent: 5580447 (1996-12-01), Platter et al.
patent: 5618425 (1997-04-01), Mitamura et al.
patent: 6451257 (2002-09-01), Flamer

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