Method for monitoring an extracorporeal blood treatment device and device for implementing the method
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- FRESENIUS MEDICAL CARE DEUTSCHLAND GMBH
- Publication Date
- 2018-09-18
Smart Images
Figure 1
Abstract
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...