Liquid purification or separation – With alarm – indicator – register – recorder – signal or... – Responsive to fluid flow
Patent
1974-08-09
1976-06-01
Hart, Charles N.
Liquid purification or separation
With alarm, indicator, register, recorder, signal or...
Responsive to fluid flow
210117, 210359, 210DIG23, B01D 3300
Patent
active
039607275
ABSTRACT:
A method is disclosed for isolating blood serum from clotted whole blood and for isolating blood plasma from mixtures of whole blood with anti-coagulants. The method comprises partially sinking an apparatus of the invention in the appropriate blood specimen, conveniently with the assistance of centrifugation.
The apparatus of the invention comprises a hollow elongate body open at both ends. One end is partially closed with a filter member which prevents the passage of solid phase components of clotted whole blood and solid phase components of mixtures of blood with anti-coagulants but allows passage of blood serum or blood plasma.
REFERENCES:
patent: 3481477 (1969-12-01), Farr
patent: 3508653 (1970-04-01), Coleman
patent: 3512940 (1970-05-01), Shapiro
patent: 3661265 (1972-05-01), Greenspan
patent: 3761408 (1973-09-01), Lee
patent: 3782548 (1974-01-01), Bowen
patent: 3814248 (1974-06-01), Lawhead
patent: 3814258 (1974-06-01), Ayres
patent: 3832141 (1974-08-01), Haldopoulos
Hart Charles N.
Spitzer Robert H.
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