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Double-spiral stream guidance integrated membrane oxygenator

A technology of membrane oxygenator and spiral diversion, applied in the direction of suction equipment, blood circulation treatment, etc., can solve the problems of low utilization rate of silk membrane structure, poor efficiency of blood diversion and diffusion, etc., to improve oxygenation efficiency , Improve the utilization rate and increase the effect of diffusion area

Pending Publication Date: 2017-12-05
DONGGUAN KEWEI MEDICAL INSTR
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  • Abstract
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  • Claims
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Problems solved by technology

[0003] However, the utilization rate of the silk membrane structure in the current membrane oxygenator is not high, mainly because the blood diversion and diffusion efficiency is not good, blood is easy to accumulate in a certain place in the membrane oxygenator, and only from the silk membrane One part of the structure flows through, and the blood does not flow through other parts of the silk membrane structure

Method used

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Embodiment Construction

[0016] A number of implementations of the present application will be disclosed in the following figures. For the sake of clarity, many practical details will be described together in the following description. It should be understood, however, that these practical details should not be used to limit the application. That is to say, in some embodiments of the present application, these practical details are unnecessary. In addition, for the sake of simplifying the drawings, some well-known and commonly used structures and components will be shown in a simple schematic manner in the drawings.

[0017] The terms "first", "second", etc. used herein do not specifically refer to a sequence or order, nor are they used to limit the present application, but are only used to distinguish components or operations described with the same technical terms. .

[0018] see figure 1 , figure 2 and image 3 , which is the perspective view, assembly diagram and cross-sectional view of the ...

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Abstract

The invention relates to a double-spiral stream guidance integrated membrane oxygenator, which comprises a lower cover, an oxygenation part and an upper cover, wherein a venting tube is arranged on the lower cover; the oxygenation part is arranged on the lower cover and comprises a mandrel structure, an oxygenation shell and an oxygenation silk film structure; a blood discharge tube is arranged on the oxygenation shell, and the blood discharge tube is close to the lower cover; the upper cover is arranged on the oxygenation part and is provided with a blood feeding tube and an oxygen feeding tube, wherein the mandrel structure comprises a mandrel body and an annular stream guidance plate; the mandrel body is provided with a first end and a second end; a blood passage is kept between the first end and the upper cover; the annular stream guidance plate sleeves the mandrel body; and the annular stream guidance plate is provided with at least one blood passing port and at least one spiral stream guidance groove which are distributed in an annular form. According to the double-spiral stream guidance integrated membrane oxygenator provided by the invention, by virtue of the mandrel structure, blood spread is guided by virtue of the annular stream guidance plate which is of a stream guidance structure provided with the spiral stream guidance groove, so that a contact area and a spread area of blood and a silk film structure are increased, and the utilization rate of the silk film structure is improved.

Description

technical field [0001] The invention relates to the technical field of medical device products, in particular to a double-helix diversion integrated membrane oxygenator. Background technique [0002] Membrane oxygenator is a medical device that stops the heart and replaces the lungs. It has the function of regulating the oxygen and carbon dioxide content in the blood. It is an essential medical equipment for cardiovascular surgery, and it is also necessary for the treatment of acute respiratory diseases and the stage of waiting for lung transplantation. medical equipment. The principle of the membrane oxygenator is to draw the venous blood in the body out of the body, exchange oxygen and carbon dioxide into arterial blood after passing through the membrane oxygenator, and then reinfuse the patient's arterial system to maintain the supply of oxygenated blood to the organs and tissues of the human body. During the operation, it temporarily replaces the function of the lung, a...

Claims

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Application Information

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IPC IPC(8): A61M1/36
CPCA61M1/3621A61M1/3666
Inventor 张洋魏信鑫林伟东胡吉龙陈浩
Owner DONGGUAN KEWEI MEDICAL INSTR
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