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Method for monitoring an extracorporeal blood treatment device and device for implementing the method

A technology of blood processing and extracorporeal blood circuit, which is applied in the field of blood processing equipment and can solve complex, error-prone, and expensive problems

Active Publication Date: 2018-09-18
FRESENIUS MEDICAL CARE DEUTSCHLAND GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As a result, the evaluation of the pressure pulse of the patient's heart is, on the one hand, a very complex and / or expensive evaluation method and, on the other hand, error-prone

Method used

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  • Method for monitoring an extracorporeal blood treatment device and device for implementing the method

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Experimental program
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Embodiment Construction

[0043] The method of the invention is implemented in an extracorporeal blood treatment apparatus in the example presented here. The extracorporeal blood treatment device can be, for example, a known hemodialysis device as described in German patent document DE 10 2009 060 668 A1.

[0044] References are made by way of example to describe the hemodialysis apparatus presented here as a typical blood treatment apparatus for use in the present invention. The extracorporeal blood treatment device according to the invention has in particular a control processing unit and a machine-side drive for the impeller blood pump. The impeller blood pump comprises a housing with an impeller and is preferably part of an extracorporeal blood hose set. The extracorporeal blood hose set is particularly advantageously designed as a disposable blood collection cassette, the extracorporeal blood hose assembly being configured to be coupled to an extracorporeal blood treatment device.

[0045] The b...

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Abstract

The invention relates to a method for monitoring an extracorporeal blood treatment device with an extracorporeal blood circuit, in particular a method for monitoring disconnection of a venous needle at the extracorporeal blood circuit by means of a pressure pulse measurement method. The invention also relates to a device for carrying out a monitoring method and a blood treatment device comprising a corresponding monitoring device.

Description

technical field [0001] The invention relates to a monitoring method of an extracorporeal blood treatment device according to the preamble of claim 1 , as well as a device implementing the method and a corresponding blood treatment device. Background technique [0002] The invention specifically addresses the problem of recognition of a disconnected venous needle by means of a pressure pulse measurement method at the extracorporeal blood circuit. [0003] An unrecognized disconnection of the venous needle may result in a horribly free flow of blood from the venous needle to the environment, if the pumping cycle of the corresponding blood pump is not interrupted. If such a serious error is not recognized immediately, the patient will bleed to death within minutes with a typical blood flow of 200ml / min to 300ml / min. However, the disconnection of the arterial needle is detected immediately and reliably by the air bubble detector, which is always present in the blood treatment d...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61M1/36A61M1/10A61M60/113A61M60/232A61M60/37A61M60/554
CPCA61M1/3639A61M2205/15A61M2205/18A61M2205/3331A61M2205/3341A61M2230/04A61M2205/3334A61M1/3656A61M60/113A61M60/554A61M60/37A61M60/232A61M1/36225A61M1/1603A61M1/267A61M2230/005A61M2230/30
Inventor 克里斯托夫·维克托亚历山大·海德阿尔内·彼得斯
Owner FRESENIUS MEDICAL CARE DEUTSCHLAND GMBH
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