Method for the thermal treatment of tubular dialysis units and i

Details Method for the thermal treatment of tubular dialysis units and i Method for the thermal treatment of tubular dialysis units and i

1975-04-17

1977-01-04

Hart, Charles N.

Liquid purification or separation

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

Responsive to fluid flow

210 79, 210321B, B01D 3100

Patent

active

040011100

ABSTRACT:
A method for rounding sharp edged tube lips and for cleaning of dialysis units, such as artificial kidneys, of the type where multiple tube ends are sealed in place at end surfaces to be cleaned in the unit, is described. The method involves the transient thermal treatment of the tube lips and the end surfaces adjacent the lips of the unit while the inside of each of the tubes is filled with a noncombustible fluid which shields the tubes from the thermal treatment. The resulting heat-polished rounded tube lips in the unit provide improved dialyzate fluid flow. In artificial kidneys, damage to cells in blood being dialyzed is reduced and reduction of particulate matter introduced into the blood is accomplished.

REFERENCES:
patent: 3175025 (1965-03-01), Geen et al.
patent: 3175030 (1965-03-01), Geen
patent: 3228876 (1966-01-01), Mahon
patent: 3456047 (1969-07-01), Vinton et al.
patent: 3698560 (1972-10-01), Tapp et al.
patent: 3708071 (1973-01-01), Crowley
patent: 3767502 (1973-10-01), Ishii et al.
patent: 3773181 (1973-11-01), Calderwood et al.

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