Blood purifier

A technology of blood purification and hemofiltration, which is applied in the field of medical devices, can solve the problems of affecting the effect of hemofiltration treatment, increasing the economic burden of patients, and increasing the risk of blood infection, so as to reduce the possibility of infection, reduce the economic burden, and save time Effect

Inactive Publication Date: 2015-12-02
唐天泽 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is to provide a blood purification device, which can solve the problem of easy blood extravasation and pollution and frequent replacement of the whole set when the patient needs to separate and install the pipeline and hemofilter due to blood coagulation in the blood purification process. The pipeline not only increases the economic burden of the patient, but also affects the therapeutic effect of hemofiltration and increases the risk of blood infection

Method used

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Embodiment Construction

[0016] Below in conjunction with accompanying drawing and embodiment the present invention is further described:

[0017] figure 1 It is a schematic diagram of the structure of the blood purification pipeline in the prior art. One end of the first hemofilter 5 in the device is directly connected with the outlet of the arterial jug 6 , while the other end is directly connected with the inlet of the first venous jug 4 . The outlet is directly communicated with the venous line 12 .

[0018] Embodiment one of the present invention: figure 2 The blood purification device comprises an arterial line 11, a venous line 12, a first hemofilter 5 and a control unit (not shown in the figure); the arterial line 11 bypasses the blood pump 7 and communicates with the inlet of the arterial jug 6, The venous line 12 communicates with the outlet of the first venous pot 4; the replacement fluid 1 bypasses the replacement fluid pump 2 and communicates with the inlet of the first venous pot 4 th...

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Abstract

The invention discloses a blood purifier. The blood purifier comprises an artery pipe, a vein pipe and a blood filter. The artery pipe communicates with an artery kettle after bypassing a blood pump, and the vein pipe communicates with a vein kettle. A displacement liquid communicates with the vein kettle after bypassing a displacement liquid pump through pipes. A liquid waste output port of the blood filter communicates with a liquid waste collecting bag after bypassing a liquid waste pump through pipes. One in-film joint of the blood filter communicates with a first multi-pipe gating switch, and the other in-film joint of the blood filter communicates with a second multi-pipe gating switch. The first multi-pipe gating switch communicates with the vein kettle, and the second multi-pipe gating switch communicates with the artery kettle. Both the first multi-pipe gating switch and the second multi-pipe gating switch have ports connected with a blood filter to be replaced. The blood purifier can solve the problems, such as blood exosmosis, increase of financial burden for a patient caused by frequently whole pipe replacement, influence on blood filtration, and increase of risk of blood infection, caused by direct separation of cruor in pipes during blood purification and installation of pipes and a blood filter.

Description

technical field [0001] The invention relates to the technical field of medical devices, in particular to a device for clinical blood purification. Background technique [0002] The scope of clinical application of continuous renal replacement therapy is expanding day by day, especially in the treatment of severe infection, trauma, poisoning and multiple organ failure and other critical diseases. In the prior art, there is a kind of continuous renal replacement therapy using Fresenius (Multifiltrate) CRRT machine, such as figure 1 As shown, patients often use continuous venous-venous hemofiltration (CVVH) treatment mode. Due to the long treatment time, there are many factors affecting blood coagulation in the pipeline. Sometimes hemofilter coagulation occurs after treatment for more than 10 hours. For patients, the treatment time will be shorter, and the most common part of the blood purification circuit is the hemofilter, followed by the venous pot. When there is no antico...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61M1/16
CPCA61M1/1633
Inventor 唐天泽刘远金吕光宇张理黄艳青谭筱芸
Owner 唐天泽
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