CN204815021U - Injection negative pressure ware with motion of control piston core bar - Google Patents
Injection negative pressure ware with motion of control piston core bar Download PDFInfo
- Publication number
- CN204815021U CN204815021U CN201520555057.8U CN201520555057U CN204815021U CN 204815021 U CN204815021 U CN 204815021U CN 201520555057 U CN201520555057 U CN 201520555057U CN 204815021 U CN204815021 U CN 204815021U
- Authority
- CN
- China
- Prior art keywords
- core bar
- piston core
- button
- slide block
- spring
- 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
Links
Abstract
The utility model relates to an injection negative pressure ware with motion of control piston core bar still includes control mechanism, control mechanism includes first button, second button, first slider and second slider, first button and second button are located respectively on two lateral walls of the left and right sides of barrel, first slider and second slider are located inside the barrel, first slider is located between piston core bar and the second button, the second slider is located between piston core bar and the first button, through a spring coupling between first button and the first slider, through the 2nd spring coupling between second button and the second slider, be equipped with the multistage bilateral symmetry's of being draw -in groove in its vertical direction of piston core bar edge, the draw -in groove uses with first slider and second cooperation. The utility model provides a but the injection negative pressure ware of convenient operation control piston core bar motion, it not only designs simply, the cost is lower, and pollution probability has moreover significantly reduced.
Description
Technical field
This utility model relates to technical field of medical instruments, particularly relates to a kind of injection negtive-pressure implement being provided with the motion of control piston core bar.
Background technology
At present; there is the patient needing to carry out negative pressure drainage clinically; but because its postoperative drainage time is short; drain site pressure requirements is less; and central negative pressure pressure is excessive and Negative pressure machine is expensive; therefore the negative pressure device that client need one is small-sized, can adopt common syringe to make the method for negtive-pressure implement usually.After having taken out negative pressure state, for keeping negative pressure state lasting, need to support through piston core bar with a waddy or pin cap, or used a clip to be lived by piston core bar cramp, piston core bar can not negative pressure be inhaled.In above-mentioned simple and easy method negative pressure auxiliary treatment process in exist two technology drawbacks:
1, waddy or clip sometimes can eject because pressure crosses, and may hurt people or thing during ejection, have certain danger;
2, in the process used, the tube wall of syringe can be contaminated, and affect the use of apparatus;
3, this kind of method for supporting is not easy to operate, and poor stability, be difficult to control the concrete motion conditions of this piston core bar.
In sum, a kind of injection negtive-pressure implement overcoming above-mentioned existing issue of design is needed at present badly.
Utility model content
The purpose of this utility model there is provided a kind of easy to operate injection negtive-pressure implement controlling the motion of piston core bar, and not only simplicity of design, cost are lower for it, and greatly reduce pollution probability.
To achieve these goals, the technical scheme that this utility model is taked is: a kind of injection negtive-pressure implement being provided with the motion of control piston core bar, and comprise piston core bar and cylindrical shell, the top of described piston core bar is provided with one handle, is located at described cylindrical shell outside;
Also comprise controlling organization, described controlling organization comprises the first button, the second button, the first slide block and the second slide block, and described first button and the second button are located on the lateral wall, two, left and right of described cylindrical shell respectively; Described first slide block and the second slide block are located at described inner barrel, and described first slide block is located between described piston core bar and the second button; Described second slide block is located between described piston core bar and the first button;
Connected by the first spring between described first button and the first slide block; Connected by the second spring between described second button and the second slide block;
Described piston core bar is provided with multistage symmetrical draw-in groove along its vertical direction, described draw-in groove and the first slide block and second with the use of.
Be provided with an injection negtive-pressure implement for control piston core bar motion as above, wherein, the diameter of described piston core bar is 1/3rd of the diameter of described cylindrical shell;
Described first slide block is attached on described piston core bar under the elastic force effect of the first spring, and the width of described first slide block is 1/4th of the diameter of described cylindrical shell;
Described second slide block is attached on described piston core bar under the elastic force effect of the second spring, and the width of described second slide block is 1/4th of the diameter of described cylindrical shell.
Be provided with an injection negtive-pressure implement for control piston core bar motion as above, wherein, described piston core bar is located between described first spring and the second spring.
Be provided with an injection negtive-pressure implement for control piston core bar motion as above, wherein, described first button and the second button comprise stainless shell body respectively and are located at the rubber bumps of described shell body inside.
Be provided with an injection negtive-pressure implement for control piston core bar motion as above, wherein, described first spring and the second spring are respectively high-tension microsprings.
Compared with prior art, the beneficial effect that this utility model produces is mainly reflected in:
1, a kind of injection negtive-pressure implement being provided with the motion of control piston core bar of the present utility model, is carried out the motion conditions of control piston core bar, is snapped in by each slide block in each draw-in groove, can prop up thus the lasting negative pressure produced, make it can be safe and practical by controlling organization;
2, a kind of injection negtive-pressure implement being provided with the motion of control piston core bar of the present utility model, its structure is simple, easy to use, cost is lower, is applicable to extensively extend in clinical practice.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation being provided with the injection negtive-pressure implement of control piston core bar motion of the present utility model;
Description of reference numerals:
1, piston core bar 2, cylindrical shell 31, first button
32, the second button 41, first slide block 42, second slide block
51, the first spring 52, second spring 6, draw-in groove
7, shell body 8, rubber bumps 9, handle
Detailed description of the invention
For the ease of understanding the purpose of this utility model, technical scheme and effect thereof, now will be elaborated further this utility model in conjunction with the embodiments.
As shown in Figure 1, a kind of injection negtive-pressure implement being provided with control piston core bar 1 and moving of the present utility model, comprise piston core bar 1 and cylindrical shell 2, the top of described piston core bar 1 is provided with one handle 9, is located at described cylindrical shell 2 outside; Also comprise controlling organization, described controlling organization comprises the first button 31, second button 32, first slide block 41 and the second slide block 42, and described first button 31 and the second button 32 are located on the lateral wall, two, left and right of described cylindrical shell 2 respectively; It is inner that described first slide block 41 and the second slide block 42 are located at described cylindrical shell 2, and described first slide block 41 is located between described piston core bar 1 and the second button 32; Described second slide block 42 is located between described piston core bar 1 and the first button 31; Connected by the first spring 51 between described first button 31 and the first slide block 41; Connected by the second spring 52 between described second button 32 and the second slide block 42; Described piston core bar 1 is provided with multistage symmetrical draw-in groove 6 along its vertical direction, described draw-in groove 6 and the first slide block 41 and second with the use of.
A kind of injection negtive-pressure implement being provided with control piston core bar 1 and moving of the present utility model, carrys out the motion conditions of control piston core bar 1 by controlling organization; When using this injection negtive-pressure implement, first extract certain negative pressure out, then the first slide block 41 and the second slide block 42 are inserted in it corresponding draw-in groove 6, ensure that it can prop up thus the lasting negative pressure produced, make it can be safe and practical; Then, when this piston core bar 1 needs to continue to extract out time, make the first button 31 and the second button 32 with the hands pressing cylindrical shell 2 both sides, this first spring 51 and the second spring 52 are under the effect of active force, by connected first slide block 41 and the second slide block 42 respectively to front pushing open, it is made to skid off in draw-in groove 6; Then this piston core bar 1 can continue to extract out, after arriving the height of setting, then unclamps this first button 31 and the second button 32, then the first slide block 41 and the second slide block 42 are snapped in draw-in groove 6,
As shown in Figure 1, a kind of injection negtive-pressure implement being provided with control piston core bar 1 and moving of the present utility model, the diameter of described piston core bar 1 is 1/3rd of the diameter of described cylindrical shell 2; Described first slide block 41 is attached on described piston core bar 1 under the elastic force effect of the first spring 51, and the width of described first slide block 41 is 1/4th of the diameter of described cylindrical shell 2; Described second slide block 42 is attached on described piston core bar 1 under the elastic force effect of the second spring 52, and the width of described second slide block 42 is 1/4th of the diameter of described cylindrical shell 2.
As shown in Figure 1, a kind of injection negtive-pressure implement being provided with control piston core bar 1 and moving of the present utility model, described piston core bar 1 is located between described first spring 51 and the second spring 52.
A kind of injection negtive-pressure implement being provided with control piston core bar 1 and moving of the present utility model, the two ends of described piston core bar 1 are located at respectively by described first spring 51 and the second spring 52, not by the interference of this piston core bar 1 when its motion, it does not also contact with described piston core bar 1, avoids causing unnecessary pollution.
As shown in Figure 1, a kind of injection negtive-pressure implement being provided with control piston core bar 1 and moving of the present utility model, described first button 31 and the second button 32 comprise stainless shell body 7 respectively and are located at the rubber bumps 8 of described shell body 7 inside.
A kind of injection negtive-pressure implement being provided with control piston core bar 1 and moving of the present utility model, the design of this first button 31 and the second button 32, ensure that this first button 31 and leicht fallen D/A and the more convenient use when in use of the second button 32.
As shown in Figure 1, a kind of injection negtive-pressure implement being provided with control piston core bar 1 and moving of the present utility model, described first spring 51 and the second spring 52 are respectively high-tension microsprings.
This utility model is done above in conjunction with the embodiments and further described, but this utility model is not limited to above-mentioned embodiment, in the ken that one skilled in the relevant art possesses, can also make a variety of changes under the prerequisite not departing from this utility model aim.
Claims (5)
1. be provided with an injection negtive-pressure implement for control piston core bar motion, comprise piston core bar and cylindrical shell, it is characterized in that:
The top of described piston core bar is provided with one handle, is located at described cylindrical shell outside; Also comprise controlling organization, described controlling organization comprises the first button, the second button, the first slide block and the second slide block, and described first button and the second button are located on the lateral wall, two, left and right of described cylindrical shell respectively; Described first slide block and the second slide block are located at described inner barrel, and described first slide block is located between described piston core bar and the second button; Described second slide block is located between described piston core bar and the first button;
Connected by the first spring between described first button and the first slide block; Connected by the second spring between described second button and the second slide block;
Described piston core bar is provided with multistage symmetrical draw-in groove along its vertical direction, described draw-in groove and the first slide block and second with the use of.
2. a kind of injection negtive-pressure implement being provided with the motion of control piston core bar according to claim 1, is characterized in that:
The diameter of described piston core bar is 1/3rd of the diameter of described cylindrical shell;
Described first slide block is attached on described piston core bar under the elastic force effect of the first spring, and the width of described first slide block is 1/4th of the diameter of described cylindrical shell;
Described second slide block is attached on described piston core bar under the elastic force effect of the second spring, and the width of described second slide block is 1/4th of the diameter of described cylindrical shell.
3. a kind of injection negtive-pressure implement being provided with the motion of control piston core bar according to claim 2, is characterized in that:
Described piston core bar is located between described first spring and the second spring.
4. a kind of injection negtive-pressure implement being provided with the motion of control piston core bar according to claim 3, is characterized in that:
Described first button and the second button comprise stainless shell body respectively and are located at the rubber bumps of described shell body inside.
5. a kind of injection negtive-pressure implement being provided with the motion of control piston core bar according to claim 4, is characterized in that:
Described first spring and the second spring are respectively high-tension microsprings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520555057.8U CN204815021U (en) | 2015-07-28 | 2015-07-28 | Injection negative pressure ware with motion of control piston core bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520555057.8U CN204815021U (en) | 2015-07-28 | 2015-07-28 | Injection negative pressure ware with motion of control piston core bar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204815021U true CN204815021U (en) | 2015-12-02 |
Family
ID=54672669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520555057.8U Expired - Fee Related CN204815021U (en) | 2015-07-28 | 2015-07-28 | Injection negative pressure ware with motion of control piston core bar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204815021U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105662485A (en) * | 2016-03-28 | 2016-06-15 | 西南医科大学附属医院 | Pressure-readable negative-pressure puncture device |
-
2015
- 2015-07-28 CN CN201520555057.8U patent/CN204815021U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105662485A (en) * | 2016-03-28 | 2016-06-15 | 西南医科大学附属医院 | Pressure-readable negative-pressure puncture device |
| CN105662485B (en) * | 2016-03-28 | 2018-06-22 | 西南医科大学附属医院 | The readable negative pressure puncture device of pressure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204815021U (en) | Injection negative pressure ware with motion of control piston core bar | |
| CN205339751U (en) | Rubber syringe is used in disposable infusion | |
| CN204446777U (en) | The transfusion device that a kind of diabetes patient uses by oneself | |
| CN203971072U (en) | A kind of intravenous injection aid | |
| CN205338961U (en) | Dual needle -prick prevention hinders safety device | |
| CN205073417U (en) | Pin extractor | |
| CN207575287U (en) | Pet syringe | |
| CN203029683U (en) | Hospital tumour effusion extracting device | |
| CN202497266U (en) | Syringe for animal experiment | |
| CN202113408U (en) | Lifting transfusion frame | |
| CN206463297U (en) | A kind of injector for medical purpose | |
| CN206867479U (en) | A kind of anti-multiplexing syringe | |
| CN204293236U (en) | Cerebrovascular interventional therapy device | |
| CN205055069U (en) | Injector | |
| CN204563137U (en) | Inlet comes off anti-contamination transfusion apparatus | |
| CN205626626U (en) | Syringe needle telescopic needle | |
| CN202236672U (en) | Hypodermic syringe | |
| CN202822340U (en) | Anti-injury injection needle | |
| CN210933319U (en) | Novel anesthesia needle inserter | |
| CN203227136U (en) | Dissolved medicine injector | |
| CN107505183A (en) | A kind of assist device for testing chamber syringe | |
| CN108211055A (en) | A kind of preclinical medicine syringe | |
| CN208582547U (en) | A kind of animal doctor's special syringe | |
| CN210631552U (en) | Syringe for plastic and beauty treatment | |
| CN202526647U (en) | Novel thoracic cavity drainage needle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151202 Termination date: 20190728 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |