CN203447641U - Novel back flow limiting piece for blood purification - Google Patents
Novel back flow limiting piece for blood purification Download PDFInfo
- Publication number
- CN203447641U CN203447641U CN201320426274.8U CN201320426274U CN203447641U CN 203447641 U CN203447641 U CN 203447641U CN 201320426274 U CN201320426274 U CN 201320426274U CN 203447641 U CN203447641 U CN 203447641U
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- CN
- China
- Prior art keywords
- back flow
- flow limiting
- liquid
- limiting piece
- blood purification
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model discloses a novel back flow limiting piece for blood purification. The novel back flow limiting piece for blood purification comprises a circular piece body. The piece body is in a round cap shape, namely the middle part of the piece body protrudes outwards, and a cross-shaped opening is formed in the middle of the cup-shaped protrusion. In the use process of a blood purification fluid infusion pipeline, the novel back flow limiting piece plays a role in adjusting flow of liquid and can effectively prevent the liquid from flowing back. The structure of the novel back flow limiting piece is similar to a cap, the cross-shaped opening is formed in the middle of the cap, when the liquid flows into a half-sphere of the back flow limiting piece from a joint end, the open degree of the opening of the back flow limiting piece can be controlled through liquid pressure, therefore, the effects of flow adjustment and back flow limiting on the liquid are achieved, and the blood purification process is safer.
Description
Technical field
This utility model product relates to medical apparatus and instruments articles for use, refers in particular to a kind ofly when carrying out kidney replacement therapy, and patient is inputted to the limit adverse current sheet that blood purifying pipeline that displacement liquid uses is used.
Background technology
Blood purification replenishing line is generally used in the process clinically blood samples of patients being filtered, form path, inputting a certain amount of displacement liquid dilutes concentrated blood, work to reduce blood flow resistance, its parts limit adverse current sheet, be adaptive joint, during for input displacement liquid, can effectively reduce the effect of liquid countercurrent.
But when the shortcoming of the adaptive joint using is in the market to input displacement liquid, can not play the effect that reduces liquid countercurrent, when transfusion stops, the liquid of the pipeline inside phenomenon that can flow backwards, thus cause liquid to enter in dialysis machine, affect dialysis machine service life.
Summary of the invention
The purpose of this utility model is to provide a kind of simple to operate, limit adverse current sheet that can effectively reduce displacement liquid adverse current, i.e. adaptive joint.
The technical scheme that this utility model technical solution problem adopts is:
New Blood purifies with a limit adverse current sheet, comprises circular lamellar body, and described lamellar body is round cap shape, i.e. mid portion outwardly convex, and the mid portion of described hat projection has a criss-cross opening.
Dialysing when clinical, need to input displacement liquid to hemodilution by liquid supplementation pipe, reduce blood resistance, when displacement liquid is inputted by adaptive joint, the convex surface of constrictor is back to the liquid outlet direction of liquid supplementation pipe, before being arranged on one section of pipe shaft before the turning point of liquid supplementation pipe, during transfusion, just can control the size that limit adverse current sheet opening opens by fluid pressure, during liquid countercurrent, opening is can be slowly closed and limit adverse current.
This utility model is simple in structure, easy to use, in the time of can realizing input displacement liquid, can effectively control the flow of liquid and restriction adverse current to a certain degree in the use procedure of blood purification replenishing line.
Accompanying drawing explanation
Fig. 1 is this novel limit adverse current sheet schematic diagram,
Fig. 2 is this utility model liquid following current schematic diagram,
Fig. 3 is this utility model liquid countercurrent schematic diagram,
Fig. 4 is the schematic diagram of adaptive joint.
Illustrate: cross open 1 cap shape projection 2 liquid are put smoothly to 3 liquid countercurrent direction 4 constrictors 5.
The specific embodiment
This utility model comprises the cap shape projection 2 that lamellar body is middle as shown in Figure 1, the cross open in the middle of projection.During use, by constrictor with convex surface the liquid outlet direction back to liquid supplementation pipe, before being arranged on one section of pipe shaft before the turning point of liquid supplementation pipe.
Claims (1)
1. New Blood purifies with a limit adverse current sheet, it is characterized in that: comprise circular lamellar body, described lamellar body is round cap shape, i.e. and mid portion outwardly convex, the mid portion of described hat projection has a criss-cross opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320426274.8U CN203447641U (en) | 2013-07-18 | 2013-07-18 | Novel back flow limiting piece for blood purification |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320426274.8U CN203447641U (en) | 2013-07-18 | 2013-07-18 | Novel back flow limiting piece for blood purification |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203447641U true CN203447641U (en) | 2014-02-26 |
Family
ID=50127547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320426274.8U Expired - Lifetime CN203447641U (en) | 2013-07-18 | 2013-07-18 | Novel back flow limiting piece for blood purification |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203447641U (en) |
-
2013
- 2013-07-18 CN CN201320426274.8U patent/CN203447641U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140226 |