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Apparatus for extracorporeal blood treatment, comprising a measuring device for determining the luminescence of the spent dialysate

A technology for extracorporeal blood processing and measuring devices, which can be applied in dialysis systems, fluorescence/phosphorescence, drug devices, etc., and can solve problems such as non-continuous monitoring and purification

Active Publication Date: 2013-02-27
贝朗爱敦股份公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

With the above-mentioned devices and methods known from the prior art, it is not possible to continuously monitor the content of these substances in the purified blood or in the dialysate outlet during the hemodialysis treatment.

Method used

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  • Apparatus for extracorporeal blood treatment, comprising a measuring device for determining the luminescence of the spent dialysate
  • Apparatus for extracorporeal blood treatment, comprising a measuring device for determining the luminescence of the spent dialysate
  • Apparatus for extracorporeal blood treatment, comprising a measuring device for determining the luminescence of the spent dialysate

Examples

Experimental program
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Embodiment Construction

[0038] figure 1 The dialysis fluid circuit of a conventional dialysis machine is shown with an additional measuring unit 37 located in the dialysis fluid outlet 36 . The blood of the patient is conducted outside the body via a tube system 32 into the blood-side chamber 30 of the dialyzer. After the blood has passed through the dialyzer, the blood is reinfused into the patient via the hose system 31 . The blood flow is controlled here by a blood pump 33 . The dialysate consists of different components, which are dissolved in water. The dialysis machine thus has a water inlet 12 , two concentrate feeds 16 , 18 and two concentrate pumps 17 , 19 . The water flow 20 together with the concentrate flow determines the composition of the dialysate. Through the water or dialysate inlet 20 the dialysate is delivered to the dialysate chamber 29 of the dialyzer, which is separated from the blood chamber 30 by a semipermeable membrane. The dialysate is supplied to the dialyzer by the d...

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Abstract

The invention relates to an apparatus for extracorporeal blood treatment, comprising a dialyzer which is divided into a first and a second chamber (29, 30) by means of a semipermeable membrane. The first chamber (29) is arranged in a dialysate path, while the second chamber (30) can be connected to a patient's blood circulation by means of a blood supply line (32) and a blood discharge line (31). The apparatus further comprises an inlet (20) for fresh dialysate, an outlet (36) for spent dialysate, and a measuring device (37) that is arranged in the outlet (36) and includes at least one radiation source (1) for substantially monochromatic electromagnetic radiation. In order to determine a luminescence of the spent dialysate flowing through the outlet (36), the measuring device (37) includes at least one detector system (5) for detecting the intensity of the electromagnetic radiation generated by luminescence.

Description

technical field [0001] The invention relates to a method for determining waste products during dialysis treatment. Background technique [0002] Removal of waste products, including uremic toxins, from the metabolism of natural substances in patients with renal insufficiency or loss by means of dialysis, which are removed from the blood by bringing the blood outside the body into contact with a dialysate, which is associated with various The salts mix thereby causing diffusion and convection effects that enable the transport of substances from the blood through the membrane to the dialysate, after which the purified blood is reinfused into the patient. [0003] A patient's dialysis dose cannot be based solely on a subjective assessment of the patient's health status, but the dialysis effect needs to be quantified to ensure an adequate dialysis effect. At the same time, excessive dialysis should also be avoided for cost reasons. In order to perform dialysis treatment more e...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61M1/14A61M1/16G01N21/64
CPCA61M2205/3306A61M2001/1609A61M1/16A61M1/1609A61M2205/50A61M1/1692
Inventor A·弗罗里普C·纳克S·莫尔A·卡斯特利亚尔瑙J·迈鲍姆
Owner 贝朗爱敦股份公司