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Blood volume monitor and blood treatment device

一种血液治疗、监测器的技术，应用在血液循环处理、滤血、吸引器械等方向，能够解决减低等问题，达到节省治疗的时间的效果

Active Publication Date: 2015-04-08
FRESENIUS MEDICAL CARE DEUTSCHLAND GMBH
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

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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  • Blood volume monitor and blood treatment device
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  • Blood volume monitor and blood treatment device

Examples

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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. 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 exponentially by about 5% at time ...

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Abstract

The present invention proposes a method of operating a blood treatment apparatus for the extracorporeal blood treatment of a patient, a blood volume monitor for monitoring an extracorporeal blood treatment of the patient by means of a blood treatment apparatus, and a blood treatment apparatus.

Description

technical field [0001] The invention relates to an operation method of a blood treatment device used for extracorporeal blood treatment of a patient. The invention further relates to a blood volume monitor, and a blood therapy device. 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; the incidence of this nasty attack is significantly increased in risk groups, such as those with diabete...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61M1/34A61M1/36
CPCA61M1/3609A61M1/16A61M1/3639
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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