Helically wound blood filter

Details Helically wound blood filter Helically wound blood filter

1977-05-19

1978-05-30

Sever, Frank

Liquid purification or separation

With alarm, indicator, register, recorder, signal or...

Responsive to fluid flow

55477, 55520, 55524, 12814R, 210494R, 2104971, 210504, 210505, 210508, 210DIG23, B01D 3700

Patent

active

040922464

ABSTRACT:
A filter for the filtration of blood characterized by a high flow rate with low pressure drop, which filter comprises: a filter housing; an inlet in the housing for the introduction of the blood to be filtered; an outlet in the housing for the removal of filtered blood; and a filter element disposed within the housing, which element comprises a helically coiled strip of sheet material containing a surface layer of fibrous flocked material on at least one side thereof, the sheet material wound into a helical coil of desired tightness, and the flocked material selected to remove particles from the blood to be filtered.

REFERENCES:
patent: 1700126 (1929-01-01), Goodloe
patent: 2425235 (1947-08-01), Ferrante
patent: 2782933 (1957-02-01), Monsarrat
patent: 3888250 (1975-06-01), Hill

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