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Dialysis optimisation method

A dialyzer and hemodialysis technology, which is applied in dialysis systems, drug devices, and other medical devices, can solve the problems of small circulation volume and complex implementation, and achieve the effect of simple implementation

Active Publication Date: 2014-04-16
B BRAUN AVITUM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, this known method has a fatal disadvantage:
Furthermore, the concentration-determining sensor must be arranged in the corresponding flow circuit, the implementation of which on the instrument side is complicated, since the volume of the flow circuit must at the same time be kept as small as possible

Method used

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Examples

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Embodiment Construction

[0098] according to figure 1 , the dialysis apparatus comprises at least one supply pump or flow pump dialyzer inlet (FPE) 7, which feeds the dialyzer at the inlet side of the dialyzer 19, 20 via a supply line to the dialyzer Vessels 19, 20 provide dialysis fluid. In this example, the dialysis fluid is prepared by supplying water from the water treatment device 1 via the water inlet 2 of the supply pump 7, wherein a concentrate 4 of bicarbonate is supplied to the water by the bicarbonate pump 3 and a bicarbonate concentrate 4 is supplied by the acid pump 6. The acid concentrate 5 is supplied to the water. Furthermore, the balancing system BZ is connected in the supply line.

[0099] On the output side of the dialyzers 19 , 20 , a discharge line leading to a first discharge pump or pump unit is connected at the dialyzer output 12 , which feeds the spent dialysate fluid (dialysate) via a balancing The system BZ equally supplies the collection tank or the dialysate drain 15 . ...

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Abstract

A method as well as an apparatus is disclosed for determining the efficiency of a currently performed kidney replacement therapy on the dialysis side making use of a dialysis machine which in a first step is operated in a hemodialysis or hemodiafiltration process and in a second step is sequentially changed over to a hemofiltration process or is changed over to a sequential mode in which merely a flow from the blood compartment via the semipermeable membrane to the dialysis fluid compartment of the dialyser is generated in which, according to a third step, a sensor for determining or measuring the concentration at least of uremic toxins in the saturated dialysate or ultra-filtrate which is connected downstream of a dialyser on the dialysis side outputs corresponding measuring signals that are representative of the current concentration at least of uremic toxins in the blood to a calculation or determination unit.

Description

technical field [0001] The present invention relates to a method and device for determining the effectiveness of currently performed renal replacement therapy and treatment equipment. Background technique [0002] Patients suffering from renal insufficiency, if or as long as there is no anticipated kidney transplantation, have to remove the uremic toxins accumulated in the patient's body over time by extracorporeal renal replacement therapy, hereinafter referred to as dialysis treatment. With this type of dialysis treatment, blood is collected from the patient, directed through an extracorporeal purification device -- a dialyzer -- and then returned into the patient's body. In a dialyzer, the blood to be purified comes into contact with a washing solution, fresh dialysis fluid, via a semipermeable membrane, resulting in an exchange of substances. The dialysate, now enriched in urea toxins, is then washed and discarded. [0003] In order to evaluate dialysis therapy, the af...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61M1/14A61M1/16
CPCA61M1/1609A61M1/1615A61M1/165A61M2202/0498A61M2205/3306A61M1/16A61M1/14A61M2205/3337A61M2230/65
Inventor 尤恩·迈鲍姆克里斯托夫·施特罗赫费尔
Owner B BRAUN AVITUM
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