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blood purifier

A purifier and blood technology, applied in the field of medical devices, can solve the problems of long injection molding production cycle of blood purifier parts, increase the labor time and intensity of medical staff, and difficult production control, so as to facilitate mechanized operation and production control , the effect of simplifying the mold

Active Publication Date: 2018-06-29
JAFRON BIOMEDICAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, the injection molding production cycle of the parts of the blood purifier is long, the mold structure is complicated, it is not easy to control the production, and it pushes up the production cost
In addition, the end cap and the cap in the blood purifier cooperate with the positioning groove through the floating point, which is prone to over-coupling and difficult to open, so that the medical staff need to use tools and use a large force to connect the end cap and the cap. Open, increase the labor time and intensity of medical staff

Method used

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Examples

Experimental program
Comparison scheme
Effect test

no. 1 example

[0044] see figure 1 and figure 2 , The blood purifier consists of an adsorption column 7, an adsorbent placed in the inner cavity of the adsorption column 7, and an end-capping device installed on the end of the adsorption column 7.

[0045] The end sealing device is composed of a cap 1, a lock nut 2, a tapered sealing plug 3, an end cap 4, a flat sealing gasket 5 and a filter screen 6. The end cover 4 and the locking nut 2 constitute the end-blocking part of this embodiment.

[0046] see Figure 3 to Figure 6 The cap 1 has a cap body 10 with a cylindrical structure. The cap body 10 is formed with an accommodating cavity 101 open at one axial end thereof. The inner surface of the cap body 10 protrudes to form two buckles 11. The buckle 11 is A polygonal structure, two buckles 11 are evenly arranged around the central axis of the cylindrical structure, that is, the line connecting the centers of the two passes through the central axis of the cylindrical structure.

[0047]...

no. 2 example

[0083] As an explanation of the second embodiment of the present invention, only the differences from the first embodiment will be described below.

[0084] The inner surface of the cap is indented to form a locking groove, which is the locking groove formed on the locking nut in the above-mentioned first embodiment.

[0085] The outer surface of the first annular coupling wall of the end cap protrudes outward to form a buckle, which is the buckle formed on the end of the adsorption column in the first embodiment above.

[0086] The outer surface of the end of the adsorption column is indented to form a locking groove, which is the locking groove formed on the outer surface of the first annular coupling wall of the end cap in the first embodiment above.

[0087] The inner surface of the locking nut protrudes to form a buckle, which is the buckle formed on the inner surface of the cap in the above-mentioned first embodiment.

no. 3 example

[0089] As an explanation of the third embodiment of the present invention, only the differences from the first embodiment will be described below.

[0090] see Figure 21 , using a wave-shaped coupled surface to replace the first supported surface, the convex coupling surface and the second supported surface formed on the buckle in the first embodiment above.

[0091] The first supporting surface, the concave coupling surface and the second supporting surface formed on the card slot in the above first embodiment are replaced by a wave-shaped coupling surface matched with the above-mentioned corrugated coupled surface.

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Abstract

The invention provides a blood purifier, belonging to the field of medical apparatus and instruments. The blood purifier comprises an adsorption column and an end sealing device used for sealing the end of the adsorption column, wherein the end sealing device comprises a cap and an opening sealing part, the opening sealing part comprises an end cap, the end cap comprises a cap body, and a blood nozzle and a cyclic annular coupling wall which are arranged on the cap body, and the cyclic annular coupling wall and the blood nozzle are coaxially arranged outside the peripheral surface of the blood nozzle. The coupled connection between the opening sealing part and the adsorption column and / or the coupled connection between the cap and the end cap are detachable coupled connection of a buckle and a slot. By adopting the connection mode of the coupled connection of the buckle and the slot, a mould of a part can be simplified, the injection molding production cycle can be shortened, and the blood purifier provided by the invention is conducive to managing and controlling the production and reducing the production cost.

Description

technical field [0001] The invention relates to the field of medical equipment, in particular to a blood purifier. Background technique [0002] Blood purification therapy is to lead the patient's blood out of the body, contact with the adsorbent in the blood purifier, remove some exogenous or endogenous toxins by adsorption, and return the purified blood to the patient's body, so as to achieve purification. Therapeutic purposes of blood. Blood purification can be used not only for the treatment of severe poisons and drug poisoning, but also for the treatment of many chronic, intractable and difficult diseases, all of which have good therapeutic effects and are widely used in clinical treatment. [0003] Blood purifiers include blood purification consumables filled with adsorbents, such as disposable hemoperfusion devices, disposable endotoxin adsorbers, disposable plasma bilirubin adsorbers, DNA immunoadsorption columns, etc. The adsorbent can be One or more of resin adso...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61M1/36
CPCA61M1/3679
Inventor 董凡庞权勇
Owner JAFRON BIOMEDICAL
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