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Method for operating a blood treatment device, and blood volume monitor and blood treatment device for executing the method

A technology for blood treatment and equipment operation, which is applied in the field of blood treatment equipment operation and the blood volume monitor and blood treatment equipment used to implement it, which can solve the problems of reduction and achieve the effect of saving treatment time

Active Publication Date: 2011-01-12
FRESENIUS MEDICAL CARE DEUTSCHLAND GMBH
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Problems solved by technology

[0006] However, with regard to the feedback effect between the BVM signal and the ultrafiltration control of the dialysis machine, it is still possible that the patient does not have a critical circulatory condition or tendency, and the ultrafiltration control is reduced or even stopped in response to the BVM signal

Method used

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  • Method for operating a blood treatment device, and blood volume monitor and blood treatment device for executing the method
  • Method for operating a blood treatment device, and blood volume monitor and blood treatment device for executing the method
  • Method for operating a blood treatment device, and blood volume monitor and blood treatment device for executing the method

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Embodiment Construction

[0042] The invention will be described in more detail below with reference to various embodiments shown in the accompanying drawings.

[0043] figure 1 Displays the relative blood volume RBV expressed in percentage %, the blood pressure expressed in mmHg, and the time-phase evolution control chart in minutes for blood treatment patients. Among them, systolic blood pressure is measured in BP sys Expressed as diastolic blood pressure in BP dia express. figure 1 critical relative blood volume RBV krit . In this example, if the RBV signal falls below this threshold, ultrafiltration should be reduced or stopped. Note that the examples shown relate roughly to blood pressure. However, as explained above, the present invention can also measure other pressures. According to the above explanation, RBV measurement here also means the measurement of other blood parameters.

[0044] Such as figure 1 As shown, the RBV signal shown in the example in the figure suddenly dropped expon...

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Abstract

The present invention proposes a method for operating a blood treatment device for the extracorporeal blood treatment of a patient (P), a blood volume monitor (28) for monitoring an extracorporeal blood treatment of the patient (P) using a blood treatment device, and a blood treatment device.

Description

technical field [0001] The invention relates to a method of operating a blood therapy device for extracorporeal blood therapy of patients according to the preamble of claim 1 . The invention further relates to a blood volume monitor according to the preamble of claim 8 and a blood therapy device according to the preamble of claim 15 . Background technique [0002] In order to remove substances that should normally be excreted via the kidneys from the blood of dialysis patients, blood purification or blood therapy methods such as hemodialysis, hemofiltration, or hemodiafiltration are currently used. [0003] In the aforementioned treatment situations, it is often also necessary to extract excess body water by means of ultrafiltration. This usually causes the patient's blood volume to drop. An excessively large or excessively rapid drop in blood volume may result in a hypotensive episode in the patient. The patient's tolerance for blood loss varies from person to person; th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61M1/34A61M1/36
CPCA61M2001/3609A61M1/16A61M1/3639A61M1/3609
Inventor 乌尔里克·摩怡希尔保罗·钱慕尼彼得·瓦贝尔
Owner FRESENIUS MEDICAL CARE DEUTSCHLAND GMBH
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