Hemodialysis meter

Details Hemodialysis meter Hemodialysis meter

1984-02-21

1985-11-19

Cohen, Lee S.

Surgery

Truss

Pad

128765, 128771, A61B 500

Patent

active

045535523

ABSTRACT:
A hemodialysis conductivity meter apparatus is provided for measuring dialysate concentration using a self contained syringe. The meter includes a syringe body having a needle attached thereto with a syringe plunger coacting with the body to draw fluid into the body. A pair of electrodes are positioned for contact with the fluid in the syringe body while a power source located on the syringe generates an electric current reading across the electrodes responsive to the fluid in the syringe body. An output meter attached to the syringe gives an immediate reading of the conductivity of the fluid. The plunger of the syringe may be used to keep the electrodes clean and an alternate embodiment allows the syringe plunger to switch the meter on when drawing fluid thereinto and to switch the meter off when removing the plunger or pushing the liquid out of the syringe body.

REFERENCES:
patent: 3674012 (1972-07-01), Sage
patent: 4083363 (1978-04-01), Philpot, Jr.
patent: 4388043 (1983-06-01), Preiss

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