Inverted dome arterial filter

Details Inverted dome arterial filter Inverted dome arterial filter

1993-04-23

1994-05-17

Hart, Charles

Gas separation: apparatus

Degasifying means for liquid

Defoaming means

96179, 96209, 96212, 210188, 210304, 210436, 210472, B01D 1900

Patent

active

053124790

ABSTRACT:
An arterial filter includes a filter housing provided with a uniquely shaped housing cover. The housing cover is in the shape of a toroid which forms a coil-like tunnel which is enlarged midway about the circumference of the housing cover. The highest point of the toroidal channel is at the periphery of the housing cover, approximately 180.degree. from the inlet valve. A gas vent is located at this highest point on the top of the toroid-shaped housing cover. At the center of the housing cover is an indentation which is provided to both retain a cylindrical filter element inside the filter housing, as well as allow visibility directly through the central axis of the arterial filter to verify proper operation of the filtration process. As inlet blood circulates through the toroidal tube forming the filter housing cover, gaseous matter is allowed to buoyantly escape out of the gas vent located at the top of the raised section of the toroidal channel. The remaining debubbled fluid seeps down into a reservoir formed between the cylindrical filter housing and the outer perimeter of the filter element contained therein. The filter element draws the fluid toward the center of the filter housing, as it simultaneously filters out undesired particulate and gaseous matter. The filtered product then passes into the hollow central area of the filter element and exits through an outlet vent located at the bottom of the filter housing.

REFERENCES:
patent: Re32711 (1988-01-01), Dickens et al.
patent: 3701433 (1972-10-01), Krakauer et al.
patent: 3795088 (1974-03-01), Esmond
patent: 3827562 (1974-08-01), Esmond
patent: 3849071 (1974-11-01), Kayser
patent: 3939078 (1976-02-01), Servas et al.
patent: 4038194 (1977-07-01), Luceyk et al.
patent: 4344777 (1982-08-01), Siposs
patent: 4490254 (1984-12-01), Gordon et al.
patent: 4964984 (1990-10-01), Reeder et al.

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