Housing of hemoconcentration device

Abstract

The invention relates to a hemoconcentrator shell, which comprises a cylinder body and end covers which are hermetically connected at both ends of the cylinder body, wherein Luer cone joints are arranged on the end covers; the cylinder body comprises a main cylinder body, a connecting cylinder body of which both ends are larger than the diameter of the main cylinder body, and a cone cylinder body which is connected between the main cylinder body and the connecting cylinder body, and the slenderness ratio of the cylinder body is between 6.5 and 8.5; two equidirectional and axially symmetrical tube holders are arranged on the cone cylinder body and extended to one side of the main cylinder body; liquid tube joints on the tube holders are communicated with an inner cavity of the main cylinder body; baffle plates on the inner wall of the main cylinder body are arranged at the bottom of the tube holders; internal threads on the end covers are connected with external threads of the connecting cylinder body in a mode of screwed joint; and seal rings which are arranged on the end face of the connecting cylinder body are arranged inside ring grooves of the end covers. The hemoconcentrator shell has the characteristics of convenient operation and good blood fluidity.

Description

technical field [0001] The invention relates to a shell of a blood concentrator, belonging to the technical field of blood concentrators. Background technique [0002] Blood concentrators are used for extracorporeal circulation, adjuvant treatment of refractory congestive heart failure, etc. The blood concentrator is mainly composed of a shell and a polymer filter membrane installed in the shell. When the blood flows into the shell from the liquid inlet of the shell, it passes through the polymer filter membrane in the shell to make the blood cells and proteins in the blood larger. Molecular substances are intercepted, while small molecular substances such as electrolytes and water are separated from the blood, discharged through the liquid outlet of the casing, and the concentrated blood is returned to the patient's body. At present, most of the shells of blood concentrators adopt the shells of ordinary dialyzers, but the shells of dialyzers have a certain influence on the...

AI Technical Summary

Problems solved by technology

At present, most of the shells of blood concentrators adopt the shells of ordinary dialyzers, but the shells of dialyzers have a certain influence on the fluidity of blood.

However, in the currently disclosed hollow fiber blood ultrafilter casing, when the blood joint is connected to the pipeline, the interface is easy to slip; moreover, since the aspect ratio of the casing is between 4.0 and 6.0, when the blood flows, the shear force Small, prone to coagulation

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