CN2880138Y - Simple negative pressure drainage device - Google Patents
Simple negative pressure drainage device Download PDFInfo
- Publication number
- CN2880138Y CN2880138Y CN 200520125486 CN200520125486U CN2880138Y CN 2880138 Y CN2880138 Y CN 2880138Y CN 200520125486 CN200520125486 CN 200520125486 CN 200520125486 U CN200520125486 U CN 200520125486U CN 2880138 Y CN2880138 Y CN 2880138Y
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- CN
- China
- Prior art keywords
- drainage
- drainage catheter
- piston
- negative
- catheter
- Prior art date
- 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 - Fee Related
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model provides a simple technical scheme for a negative pressure drainage which comprises a negative container, a drainage catheter and a drainage switch on the drainage catheter. The utility model is characterized in that: the above stated negative container is an injection needle syringe with a piston, a piston stick and an injection socket which is connected with the drainage catheter. In addition, a positioning hole is on the piston stick. The stated drainage switch is to control the speed of the transfusion apparatus. A drainage lateral hole is also arranged on the opening end of the drainage catheter.
Description
Affiliated technical field:
The utility model relates to used nursing auxiliary facilities behind a kind of medical operating, especially simple and easy depression drainage device.
Background technology:
In the prior art, known depression drainage device all is made up of the drain switch on negative-pressure container, drainage catheter and the drainage catheter, the cost of conventional depression drainage device is higher but also do not reach drainage effect well, and this is the existing in prior technology weak point.
Summary of the invention:
This utility model is exactly at the existing in prior technology deficiency, and a kind of simple and easy depression drainage device technical scheme is provided, and this scheme adopts and has the injection needle of piston, piston rod and injecting needle base as negative-pressure container.In use, as long as the pulling piston rod just can make the injection needle inner chamber become negative pressure, reach the purpose of drain.
This programme is realized by following technical measures: include the drain switch on negative-pressure container, drainage catheter and the drainage catheter, the characteristics of this programme are that described negative-pressure container is an injection needle that has piston, piston rod and injecting needle base, and injecting needle base is connected with drainage catheter; In addition, locating hole is arranged on piston rod.The concrete characteristics of this programme also have, and described drain switch is the control speed switch that transfusion device is used.Opening at described drainage catheter also has the drain side opening.
The beneficial effect of this programme can be learnt according to the narration to such scheme, has the injection needle of piston, piston rod and injecting needle base as negative-pressure container owing to adopt in this scheme.In use, as long as the pulling piston rod just can make the injection needle inner chamber become negative pressure, the reuse injection needle inserts the locating hole on the piston rod, just can keep the negative pressure of injection needle inner chamber, reaches the purpose of drain.Entry needle is the utensil that very is easy to get in hospital, and low price, when after operation, needing drain, and as easy as rolling off a log realization, drainage effect might as well simultaneously.This shows that this utility model compared with prior art has substantive distinguishing features and progress, the beneficial effect of its enforcement also is conspicuous.
Description of drawings:
Fig. 1 is the structural representation of this utility model specific embodiment.
1 is the drain side opening among the figure, and 2 is piston rod, and 3 is locating hole, and 4 is piston, and 5 is injection needle, and 6 is injecting needle base, and 7 is drainage catheter, and 8 are the drain switch.
The specific embodiment:
For clearly demonstrating the technical characterstic of this programme,, and, this programme is set forth in conjunction with its accompanying drawing below by a specific embodiment.
By accompanying drawing as can be seen, the simple and easy depression drainage device of this programme, include the drain switch (8) on negative-pressure container, drainage catheter (7) and the drainage catheter (7), the described negative-pressure container of this programme is an injection needle (5) that has piston (4), piston rod (2) and injecting needle base (6), and injecting needle base (6) is connected with drainage catheter (7); In addition, locating hole (3) is arranged on piston rod (2).Described drain switch (8) is the control speed switch that transfusion device is used.Opening at described drainage catheter (7) also has drain side opening (1).
Claims (3)
1. a simple and easy depression drainage device includes the drain switch on negative-pressure container, drainage catheter and the drainage catheter, it is characterized in that: described negative-pressure container is an injection needle that has piston, piston rod and injecting needle base, and injecting needle base is connected with drainage catheter; In addition, locating hole is arranged on piston rod.
2. simple and easy depression drainage device according to claim 1 is characterized in that: described drain switch is the control speed switch that transfusion device is used.
3. simple and easy depression drainage device according to claim 1 and 2 is characterized in that: the opening at described drainage catheter also has the drain side opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520125486 CN2880138Y (en) | 2005-12-07 | 2005-12-07 | Simple negative pressure drainage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520125486 CN2880138Y (en) | 2005-12-07 | 2005-12-07 | Simple negative pressure drainage device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2880138Y true CN2880138Y (en) | 2007-03-21 |
Family
ID=37879979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520125486 Expired - Fee Related CN2880138Y (en) | 2005-12-07 | 2005-12-07 | Simple negative pressure drainage device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2880138Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102357275A (en) * | 2011-09-02 | 2012-02-22 | 中国人民解放军第三军医大学第一附属医院 | Negative-pressure drainage device |
| CN101874909B (en) * | 2009-04-30 | 2012-07-25 | 上海交通大学医学院附属第九人民医院 | Disposable portable visible negative-pressure adjusting, absorbing and collecting system |
-
2005
- 2005-12-07 CN CN 200520125486 patent/CN2880138Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101874909B (en) * | 2009-04-30 | 2012-07-25 | 上海交通大学医学院附属第九人民医院 | Disposable portable visible negative-pressure adjusting, absorbing and collecting system |
| CN102357275A (en) * | 2011-09-02 | 2012-02-22 | 中国人民解放军第三军医大学第一附属医院 | Negative-pressure drainage device |
| CN102357275B (en) * | 2011-09-02 | 2012-12-26 | 中国人民解放军第三军医大学第一附属医院 | Negative-pressure drainage device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |