CN209005043U - Continuous positive pressure connector - Google Patents
Continuous positive pressure connector Download PDFInfo
- Publication number
- CN209005043U CN209005043U CN201821068258.5U CN201821068258U CN209005043U CN 209005043 U CN209005043 U CN 209005043U CN 201821068258 U CN201821068258 U CN 201821068258U CN 209005043 U CN209005043 U CN 209005043U
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- China
- Prior art keywords
- liner
- positive pressure
- continuous positive
- piston
- pressure connector
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Abstract
The utility model provides a kind of continuous positive pressure connector comprising: liquid feeding end, inlet tube, liner, piston, elastic component, outlet tube, outlet end；One end of inlet tube is connected with one end of liquid feeding end, the other end of inlet tube is connected with one end of liner, one end of inlet tube is additionally provided with check valve, one end of liner is also connected with one end of outlet tube, the other end of outlet tube is connected with outlet end, the other end of outlet tube is additionally provided with liquid valve, piston and elastic component are contained in liner, the inner sidewall of the other end of one end and liner of elastic component is connected, the other end is connected with piston, the edge of piston and the interior sidewall surface of liner are fitted close, the one end of elastic component with piston toward and away from liner is moved.The utility model enables to remaining needle when not being infused, and continues to inject micro-injection physiological saline into patient vessel in 3-48h, the generation of blood backflow and solidification phenomenon in indwelling needle catheter is avoided, thus the risk of thrombosis.
Description
Technical field
The utility model relates to a kind of medical supplies more particularly to a kind of may be used alone, can also be used in combination
Continuous positive pressure connector.
Background technique
Remaining needle includes the guiding puncture needle core that can be retained in the conduit/casing and stainless steel of endovascular softness.
Conduit and needle core punctured into when use intravascular together, after conduit fully enters blood vessel, withdraws out needle core, it only will be soft
Catheter retaining is in the blood vessels to carry out infusion treatment.Caused by the use of remaining needle can be reduced patient due to venipuncture repeatedly
Pain is convenient for clinical application, anxious, critical patient rescue medication, while can reduce the workload of nurse, and reduce the pain of patient
Bitterly.
However, existing remaining needle, when not being infused, the blood of patient is easy to flow backward in indwelling needle catheter, to be easy
Cause the blocking of remaining needle.In addition, the blood remained in indwelling needle catheter is easy to happen solidification, thus in infusion next time,
The blood of solidification, which is easily accessible in blood vessel, forms thrombus, and then the health of harmful to human.Therefore, in view of the above-mentioned problems, have must
It is proposed further solution.
Utility model content
The purpose of this utility model is to provide a kind of continuous positive pressure connectors, to overcome the deficiencies in the prior art.
To realize above-mentioned purpose of utility model, the utility model provides a kind of continuous positive pressure connector comprising: liquid feeding end,
Inlet tube, liner, piston, elastic component, outlet tube, outlet end；
One end of the inlet tube is connected with one end of the liquid feeding end, the other end of the inlet tube and the liner
One end be connected, one end of the inlet tube is additionally provided with check valve, one end of the liner also with the outlet tube one
End is connected, and the other end of the outlet tube is connected with the outlet end, and the other end of the outlet tube is additionally provided with out liquid
Valve, the piston and elastic component are contained in the liner, the inside of the other end of one end of the elastic component and the liner
Wall is connected, and the other end is connected with the piston, and the interior sidewall surface of the edge of the piston and the liner is fitted close, institute
Stating elastic component drives the piston to be moved toward and away from one end of the liner.
The improvement of continuous positive pressure connector as the utility model, the liquid feeding end are the connector of 6:100.
The improvement of continuous positive pressure connector as the utility model, the other end of the liquid feeding end, which is also connected with, can puncture resistance
The connector of mushroom cap and 6:100.
The improvement of continuous positive pressure connector as the utility model is additionally provided with flow control valve on the outlet tube.
The improvement of continuous positive pressure connector as the utility model, the outlet end are connector for joint, and the connector connects
Fitting has the branch pipe being connected with the outlet tube and the connecting pin being connected with small helmet.
The improvement of continuous positive pressure connector as the utility model, the other end exit of the inlet tube and outlet tube
The entrance of one end is additionally provided with filter membrane.
The improvement of continuous positive pressure connector as the utility model, is additionally provided with sealing between the piston and the liner
Circle.
The improvement of continuous positive pressure connector as the utility model, the elastic component are spring, and the spring is Pagoda-shaped
Spring, the biggish one end of Pagoda-shaped spring diameter are connected with the piston, and the lesser one end of diameter is another with the liner
The inner sidewall of one end is connected.
The improvement of continuous positive pressure connector as the utility model, the continuous positive pressure connector further includes shell, it is described into
Liquid end and outlet end are installed on the shell, and are stretched out from the shell, the inlet tube, liner, piston, elastic component,
Outlet tube is contained in the shell.
Compared with prior art, the utility model has the beneficial effects that the continuous positive pressure connector of the utility model can make
Remaining needle is obtained when not being infused, continues to inject micro-injection physiological saline into patient vessel in 3-48h, avoids indwelling
The generation of blood backflow and solidification phenomenon in wire guide, to reduce the risk of thrombosis in indwelling needle catheter.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments recorded in the utility model, for those of ordinary skill in the art, is not making the creative labor
Under the premise of, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the floor map of one specific embodiment of continuous positive pressure connector of the utility model.
Specific embodiment
The utility model is described in detail in each embodiment shown in reference to the accompanying drawing, but it should be stated that,
These embodiments are not limitation of the utility model, those of ordinary skill in the art according to these embodiments made by function
Energy, method or equivalent transformation or substitution in structure, belong within the protection scope of the utility model.
As shown in Figure 1, the continuous positive pressure connector of the utility model include: liquid feeding end 14, inlet tube 15, liner 9, piston 7,
Elastic component 8, outlet tube 3, outlet end 1.
The inlet tube 15 is used for the input of physiological saline, one end phase of one end of the inlet tube 15 and the liquid feeding end 14
Connection, the other end of the inlet tube 15 are connected with one end of the liner 9.To which physiological saline passes through the inlet tube
15 flow into liner 9 and are stored.In addition, one end of the inlet tube 15 is also set up in order to avoid the reflux of physiological saline
There is check valve 11.
In one embodiment, the liquid feeding end 14 is the connector of 6:100, and the other end of the liquid feeding end 14 is also at this time
Resistance mushroom cap 12 can be punctured by being connected with.
One end of the liner 9 is also connected with one end of the outlet tube 3, the other end of the outlet tube 3 with it is described
Outlet end 1 is connected.To which the physiological saline stored in liner 9 is excluded through the outlet tube 3, is realized and is continued to patient vessel
The middle micro physiological saline of injection.In addition, opening and closing to control outlet tube 3, the other end of the outlet tube 3 is additionally provided with
Liquid valve 10.
In order to which the flow of the physiological saline to injection is adjusted, flow control valve 4 is additionally provided on the outlet tube 3.
Meanwhile in order to guarantee the physiological saline of injection without containing impurity, the other end exit of the inlet tube 15 and outlet tube 3
The entrance of one end be additionally provided with filter membrane 5.Further, in order to realize the micro supply of physiological saline, the outlet tube 3
Using current limiting tube.The current limiting tube has pipeline stroke longer, and the lesser feature of tubing internal diameter.
In one embodiment, the outlet end 1 is connector for joint, at this point, the connector for joint has and institute
State the branch pipe and the connecting pin being connected with small helmet 13 that outlet tube 3 is connected.
The piston 7 and elastic component 8 are for providing the pressure of saline injection, specifically, the piston 7 and elastic component
8 are contained in the liner 9, and one end of the elastic component 8 is connected with the inner sidewall of the other end of the liner 9, the other end
It is connected with the piston 7.Meanwhile the interior sidewall surface of the edge of the piston 7 and the liner 9 is fitted close, to avoid cunning
Gas leakage or leakage when dynamic.To which the elastic component 8 drives the piston 7 to carry out toward and away from one end of the liner 9
Movement.In addition, in order to guarantee that the piston 7 and the interior sidewall surface of liner 9 are closely cooperated, the piston 7 with it is described interior
Sealing ring 6 is additionally provided between gallbladder 9.
In one embodiment, the elastic component 8 is spring, and the spring is Pagoda-shaped spring, the Pagoda-shaped spring
The one end being relatively large in diameter is connected with the piston 7, and the lesser one end of diameter is connected with the inner sidewall of the other end of the liner 9
It connects.
Installation for the ease of each component is fixed, and the continuous positive pressure connector further includes shell 2, the liquid feeding end 14 and is gone out
Liquid end 1 is installed on the shell 2, and is stretched out from the shell 2, the inlet tube 15, liner 9, piston 7, elastic component 8,
Outlet tube 3 is contained in the shell 2.
In conclusion the continuous positive pressure connector of the utility model enables to remaining needle when not being infused, held in 3-48h
Continue the injection micro-injection physiological saline into patient vessel, avoids the hair of blood backflow and solidification phenomenon in indwelling needle catheter
It is raw, to reduce the risk of thrombosis in indwelling needle catheter.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (9)
1. a kind of continuous positive pressure connector, which is characterized in that the continuous positive pressure connector includes: liquid feeding end, inlet tube, liner, work
Plug, elastic component, outlet tube, outlet end；
One end of the inlet tube is connected with one end of the liquid feeding end, and the one of the other end of the inlet tube and the liner
End is connected, and one end of the inlet tube is additionally provided with check valve, one end of the liner also with one end phase of the outlet tube
Connection, the other end of the outlet tube are connected with the outlet end, and the other end of the outlet tube is additionally provided with liquid valve, institute
It states piston and elastic component is contained in the liner, one end of the elastic component is connected with the inner sidewall of the other end of the liner
It connects, the other end is connected with the piston, and the interior sidewall surface of the edge of the piston and the liner is fitted close, the elasticity
Part drives the piston to be moved toward and away from one end of the liner.
2. continuous positive pressure connector according to claim 1, which is characterized in that the liquid feeding end is the connector of 6:100.
3. continuous positive pressure connector according to claim 2, which is characterized in that the other end of the liquid feeding end is also connected with can
Puncture resistance mushroom cap.
4. continuous positive pressure connector according to claim 1, which is characterized in that be additionally provided with flow adjusting on the outlet tube
Valve.
5. continuous positive pressure connector according to claim 1, which is characterized in that the outlet end is connector for joint, described
Connector for joint has the branch pipe being connected with the outlet tube and the connecting pin being connected with small helmet.
6. continuous positive pressure connector according to claim 1, which is characterized in that the other end exit of the inlet tube and go out
The entrance of one end of liquid pipe is additionally provided with filter membrane.
7. continuous positive pressure connector according to claim 1, which is characterized in that also set up between the piston and the liner
There is sealing ring.
8. continuous positive pressure connector according to claim 1, which is characterized in that the elastic component is spring, and the spring is
Pagoda-shaped spring, the biggish one end of Pagoda-shaped spring diameter are connected with the piston, the lesser one end of diameter with it is described interior
The inner sidewall of the other end of gallbladder is connected.
9. continuous positive pressure connector according to claim 1, which is characterized in that the continuous positive pressure connector further includes shell,
The liquid feeding end and outlet end are installed on the shell, and are stretched out from the shell, the inlet tube, liner, piston, bullet
Property part, outlet tube are contained in the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821068258.5U CN209005043U (en) | 2018-07-06 | 2018-07-06 | Continuous positive pressure connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821068258.5U CN209005043U (en) | 2018-07-06 | 2018-07-06 | Continuous positive pressure connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209005043U true CN209005043U (en) | 2019-06-21 |
Family
ID=66829777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821068258.5U Active CN209005043U (en) | 2018-07-06 | 2018-07-06 | Continuous positive pressure connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209005043U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108815698A (en) * | 2018-07-06 | 2018-11-16 | 苏州鑫康道医疗科技有限公司 | Continuous positive pressure connector |
-
2018
- 2018-07-06 CN CN201821068258.5U patent/CN209005043U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108815698A (en) * | 2018-07-06 | 2018-11-16 | 苏州鑫康道医疗科技有限公司 | Continuous positive pressure connector |
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