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Dialysis machine and method for operating a dialysis machine

A technology of equipment and dialyzers, which can be used in dialysis systems, drug devices, and other medical devices, and can solve problems such as wrong balance and inability to transport liquid volume

Active Publication Date: 2019-06-25
FRESENIUS MEDICAL CARE DEUTSCHLAND GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This leads to wrong balance
[0023] As mentioned above, the opening of valve V can cause air to collect in the balance chamber, which is undesirable because the correct volume of liquid cannot then be delivered

Method used

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  • Dialysis machine and method for operating a dialysis machine
  • Dialysis machine and method for operating a dialysis machine
  • Dialysis machine and method for operating a dialysis machine

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0045] figure 1 A hydraulic circuit of a dialysis device and an extracorporeal blood circuit are shown from the prior art. This configuration can be present in the dialysis device according to the invention either identically or also in a modified form, so that the above-described embodiments also apply to the invention.

[0046] During normal operation, normal air separation is performed, as described above and in figure 2 as shown in . The air separation takes place by opening the valve V, more precisely at the dead time point of the balancing chamber or of the balancing chamber half filled with fresh dialysis fluid, and not subsequently during the balancing chamber period BZ.

[0047] However, if it is detected by a suitable identification mechanism such as a sensor: excessive air ingress occurs, for example due to missing concentrate container 42, 52 or due to its empty state, or due to the mixing chamber or a pipeline in the pipeline If an excessive air content is the...

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PUM

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Abstract

The present invention relates to a dialysis machine having an extracorporeal blood system, a dialysis fluid system having a dialyzer, and a control unit, wherein the dialysis machine further comprisesa balancing chamber with two balancing chamber halves for the balanced supply and removal of dialysis fluid to and from the dialyzer; a line is provided through which the dialysis fluid is guided tothe balancing chamber; a mixing chamber is provided, in which the fresh dialysis fluid or a component of said fresh dialysis fluid is located and which is connected directly or indirectly to a degassing line that can be closed by a valve; and the dialysis machine has a control unit that is configured in such a way that, when the dialysis machine is in in the special air removal operating state andthe balancing chamber half of the balancing chamber in fluidic connection with said line is in its high-pressure phase, the control unit opens and closes the valve once or several times.

Description

technical field [0001] The invention relates to a dialysis device with an extracorporeal blood system, a dialysis fluid system, a dialyzer arranged in the dialysis fluid and a control unit, wherein the dialysis device also comprises a balancing chamber with two balancing chamber halves , for the balanced supply and discharge of dialysis fluid to and from the dialyzer, with lines through which the dialysis fluid is led to a balancing chamber and with a mixing chamber for fresh dialysis fluid or The components of the fresh dialysis fluid are located in the mixing chamber, which is directly or indirectly connected to a vent line which can be closed off by a valve. [0002] Furthermore, the invention relates to a method for operating such a dialysis device. Background technique [0003] A dialysis device according to the preamble of claim 1 is known from the prior art. [0004] Known dialysis equipment is used during dialysis treatment to remove urea and other substances from ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61M1/16
CPCA61M1/1656A61M2205/3386A61M1/1601A61M1/1635A61M1/1668A61M1/1658
Inventor 托比亚斯·伊尔冈
Owner FRESENIUS MEDICAL CARE DEUTSCHLAND GMBH