Priming system for ultrafiltration unit

Details Priming system for ultrafiltration unit Priming system for ultrafiltration unit

1986-04-10

1987-06-02

Spear, Frank

Liquid purification or separation

Processes

Liquid/liquid solvent or colloidal extraction or diffusing...

210137, 2103214, 2104332, B01D 1300

Patent

active

046701524

ABSTRACT:
A system is disclosed for priming an ultrafiltration unit (10) connected to a blood source, without requiring a pump in the blood line. An ultrafiltration unit (10) is provided having an ultrafiltration membrane which separates a blood compartment from an ultrafiltrate compartment, a blood inlet port (12), a blood outlet port (14), a second inlet port (16) communicating with the ultrafiltrate compartment, and an ultrafiltrate outlet port (18). A feedback tube (38) connects the blood outlet port (14) to the second input port (16). Priming solution (36) is introduced to the blood inlet port (12) and a vacuum is applied to the ultrafiltrate outlet port (18). The priming solution (36) is drawn through the blood compartment, through the ultrafiltrate compartment, out the ultrafiltrate outlet port, and to drain.

REFERENCES:
patent: 3483867 (1969-12-01), Markovitz
patent: 3591493 (1971-07-01), Zeineh
patent: 3783127 (1974-01-01), Cook et al.
patent: 3788474 (1974-01-01), Granger et al.
patent: 4209402 (1980-06-01), Gentles
patent: 4299705 (1981-11-01), Russell
patent: 4301118 (1981-11-01), Eddleman et al.

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