Apparatus and method for preparation of a hemodialysis solution

Details Apparatus and method for preparation of a hemodialysis solution Apparatus and method for preparation of a hemodialysis solution

1978-07-24

1980-05-13

Hart, Charles N.

Liquid purification or separation

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

Responsive to fluid flow

210 962, 210101, 210321B, 13710111, 222 63, B01D 1300, B01D 3100

Patent

active

042027608

ABSTRACT:
Apparatus and method for make up of a hemodialysis solution and supply of same to an artificial kidney; the solution optionally contains bicarbonate in any desired amount. The apparatus comprises a recirculation loop which mixes a hemodialysis dialysate concentrate with deaerated water and may include another interconnected recirculation loop adopted to form an aqueous bicarbonate solution. Both recirculation loops mix the concentrates in the recirculation fluid in venturi means operated by continuously controlling the velocity of fluid flowing therethrough to create suction to inject the requisite quantity of concentrate to form the final desired composition in the product hemodialysis solution.

REFERENCES:
patent: 3406826 (1968-10-01), Willock
patent: 3515275 (1970-06-01), Bowman
patent: 3528550 (1970-09-01), Cappelen, Jr.
patent: 3563381 (1971-02-01), Edelson
patent: 3579441 (1971-05-01), Brown
patent: 3598727 (1971-08-01), Willock
patent: 3753493 (1973-08-01), Mellor
patent: 3756473 (1973-09-01), Donahue, Jr.
patent: 3847809 (1974-11-01), Kopf
patent: 3920556 (1975-11-01), Bowman
patent: 3927981 (1975-12-01), Viannay et al.
patent: 3962075 (1976-06-01), Fialkoff et al.
"Factors In Membrane Design And Selection". . . Trans., Am. Soc. Art. Int. Organs, vol. 14, pp. 36-41, 1968.

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