Blood filter with air trap and distributing chamber

Details Blood filter with air trap and distributing chamber Blood filter with air trap and distributing chamber

1980-03-27

1981-12-08

Spear, Jr., Frank A.

Liquid purification or separation

Filter

Within flow line or flow line connected close casing

210456, B01D 3502

Patent

active

043046703

ABSTRACT:
A blood filter device has a housing including a frame, which is provided at opposite ends with an inlet and an outlet and extends in a plane containing a line connecting the inlet and outlet, and a pair of side plates extending on opposite sides of the frame and defining a filtering space together with the frame. The housing accommodates a filter support and a pair of flat filter elements disposed on opposite sides of the filter support such that each filter element defines together with the filter support a blood-exit space communicating with the outlet and also defines together with the associated side plate a blood-entering space communicating with the inlet. Between the filter support and inlet is provided a distributing and air trapping chamber communicating with the individual blood-entering spaces and defining a space to receive blood from the inlet to trap air contained in the blood and present in the filter device to prevent the air from reaching the filter elements. A distributing piece, which serves to distribute blood introduced through the inlet into the distributing chamber to the individual filtering blood spaces, extends from the filter support into the distributing chamber.

REFERENCES:
patent: 3730353 (1973-05-01), Krasen et al.
patent: 4170056 (1979-10-01), Meyst et al.

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