Apparatus and method for controlling ultrafiltration during hemo

Details Apparatus and method for controlling ultrafiltration during hemo Apparatus and method for controlling ultrafiltration during hemo

1984-05-03

1987-12-29

Spear, Frank

Liquid purification or separation

Processes

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

210929, 21032171, B01D 1300

Patent

active

047159596

ABSTRACT:
Hemodialysis ultrafiltration apparatus comprises a dialyzer. A closed circuit is provided for supplying fresh dialysate to and for removing spent dialysate from the dialyzer. Blood is supplied to and removed from the dialyzer. The closed circuit for supplying fresh dialysate and removing spent dialysate is apportioned into below mean dialyzer blood pressure and above atmospheric pressure sections, with the dialyzer being positioned in the below mean dialyzer blood pressure section. A mechanism is provided for controlling the pressure of fresh dialysate introduced into the below mean dialyzer blood pressure section to substantially match the pressure on the dialysate side of the dialyzer. A mechanism is provided for controlling the above atmospheric pressure portion of the spent dialysate circuit. A pump removes spent dialysate of equivalent ultrafiltrate volume from the closed circuit to control the rate of ultrafiltrate removal from blood in the dialyzer, thus affecting the pressure on the dialysate side of the dialyzer required to sustain that rate.
A method of hemodialytic ultrafiltration is carried out substantially in accordance with the above-described apparatus.

REFERENCES:
patent: 4178240 (1979-12-01), Pinkerton
patent: 4190536 (1980-02-01), Grimsrud
patent: 4209391 (1980-06-01), Lipps et al.
patent: 4267041 (1981-05-01), Schael
patent: 4366061 (1982-12-01), Papanek et al.
patent: 4371385 (1983-02-01), Johnson
patent: 4477342 (1984-10-01), Allan et al.
patent: 4486303 (1984-12-01), Brous
patent: 4530759 (1985-07-01), Schal

Affiliated with

Also associated with

Rating

Apparatus and method for controlling ultrafiltration during hemo does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Apparatus and method for controlling ultrafiltration during hemo, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Apparatus and method for controlling ultrafiltration during hemo will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-461818