The method used to identify the filter

A filter and filter medium technology, applied in the field of identification filters, can solve the problem of high cost

Active Publication Date: 2021-09-21
FRESENIUS MEDICAL CARE DEUTSCHLAND GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, this evaluation of the signals of two or more than two pressure sensors in successive states of the method is associated with the disadvantage that the technical and time expenditure is relatively high

Method used

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  • The method used to identify the filter
  • The method used to identify the filter

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Embodiment Construction

[0037] exist figure 1 The reference numeral A1 denotes a line or patient connection which is connected to the patient during operation of the blood therapy device and which, for example, conducts blood from the patient in the extracorporeal circuit to the dialysis machine D. A pump B and a dialysis machine D are present in this extracorporeal circuit, which is divided into a retentate side R and a permeate side P by a semipermeable membrane D1 .

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Abstract

The invention relates to a method for identifying a filter, wherein the filter has at least one retentate side and at least one permeate side, the retentate side and the permeate side are separated from each other by at least one filter medium, wherein the method comprises: In, especially in liquids, pressure is generated on the retentate side or on the permeate side by means of at least one pressure source, in particular by means of a pump; the pressure source is switched off and the change in pressure in the fluid is measured over time after switching off the pressure source.

Description

technical field [0001] The invention relates to a method for identifying a filter, wherein the filter has at least one retentate side and at least one permeate side, which are separated from one another by at least one filter medium. Background technique [0002] Filters with semi-permeable membranes are used in many devices for blood therapy. Such methods can be, for example, hemofiltration, hemodialysis, hemodiafiltration, apheresis, drug therapy and the like. [0003] Different types of filters are often applied in these types of blood treatments. [0004] Since treatment effectiveness is primarily related to the type of filter used, it is important to ensure that the correct filter is applied for the corresponding treatment. [0005] It is common for the operator of the blood therapy device to select a filter and use this filter for the therapy. However, it can happen here that wrong or inappropriate filters are inadvertently used. [0006] In the methods known from ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61M1/16A61M1/34
CPCA61M2205/3331A61M2205/3355A61M1/1607A61M1/1617A61M1/341A61M1/16A61M1/34A61M2202/0413A61M2205/6018A61M1/3639A61M2205/276A61M2205/3344A61M2205/3365A61M2205/50A61M2230/207A61M2230/30A61M1/3437A61M1/3609A61M1/3406A61M1/3413A61M2202/0042A61M1/1615A61M1/342
Inventor 马丁·蒂斯约阿希姆·诺亚克
Owner FRESENIUS MEDICAL CARE DEUTSCHLAND GMBH
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