CN108815698A - Continuous positive pressure connector - Google Patents

Continuous positive pressure connector Download PDF

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Publication number
CN108815698A
CN108815698A CN201810736807.XA CN201810736807A CN108815698A CN 108815698 A CN108815698 A CN 108815698A CN 201810736807 A CN201810736807 A CN 201810736807A CN 108815698 A CN108815698 A CN 108815698A
Authority
CN
China
Prior art keywords
liner
positive pressure
piston
continuous positive
pressure connector
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.)
Pending
Application number
CN201810736807.XA
Other languages
Chinese (zh)
Inventor
孙军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Suzhou Xinkangdao Medical Technology Co Ltd
Original Assignee
Suzhou Xinkangdao Medical Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Suzhou Xinkangdao Medical Technology Co Ltd filed Critical Suzhou Xinkangdao Medical Technology Co Ltd
Priority to CN201810736807.XA priority Critical patent/CN108815698A/en
Publication of CN108815698A publication Critical patent/CN108815698A/en
Pending legal-status Critical Current

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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M39/00Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
    • A61M39/10Tube connectors; Tube couplings
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M39/00Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
    • A61M39/10Tube connectors; Tube couplings
    • A61M39/12Tube connectors; Tube couplings for joining a flexible tube to a rigid attachment

Abstract

The present invention 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 present invention 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, to reduce the risk of thrombosis in indwelling needle catheter.

Description

Continuous positive pressure connector
Technical field
The present invention relates to a kind of medical supplies more particularly to it is a kind of may be used alone, can also be used in combination continue 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.
Summary of the invention
The purpose of the present invention is to provide a kind of continuous positive pressure connectors, to overcome the deficiencies in the prior art.
For achieving the above object, the present invention provides a kind of continuous positive pressure connector comprising:It is liquid feeding end, inlet tube, interior Gallbladder, piston, 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.
As the improvement of continuous positive pressure connector of the invention, the liquid feeding end is 6:100 connector.
As the improvement of continuous positive pressure connector of the invention, the other end of the liquid feeding end, which is also connected with, can puncture resistance mushroom cap And 6:100 connector.
As the improvement of continuous positive pressure connector of the invention, flow control valve is additionally provided on the outlet tube.
As the improvement of continuous positive pressure connector of the invention, the outlet end is connector for joint, the connector for joint With the branch pipe being connected with the outlet tube and the connecting pin being connected with small helmet.
As the improvement of continuous positive pressure connector of the invention, the other end exit of the inlet tube and one end of outlet tube Entrance be additionally provided with filter membrane.
As the improvement of continuous positive pressure connector of the invention, sealing ring is additionally provided between the piston and the liner.
As the improvement of continuous positive pressure connector of the invention, the elastic component is spring, and the spring is Pagoda-shaped spring, The biggish one end of Pagoda-shaped spring diameter is connected with the piston, the other end of the lesser one end of diameter and the liner Inner sidewall is connected.
As the improvement of continuous positive pressure connector of the invention, the continuous positive pressure connector further includes shell, the liquid feeding end It is installed on the shell with outlet end, and is stretched out from the shell, the inlet tube, piston, elastic component, goes out liquid at liner Pipe is contained in the shell.
Compared with prior art, the beneficial effects of the invention are as follows:Continuous positive pressure connector of the invention enables to remaining needle When not being infused, continues to inject micro-injection physiological saline into patient vessel in 3-48h, avoid in indwelling needle catheter The generation of blood backflow and solidification phenomenon, to reduce the risk of thrombosis in indwelling needle catheter.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this The some embodiments recorded in invention, for those of ordinary skill in the art, without creative efforts, 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 invention.
Specific embodiment
The present invention is described in detail for each embodiment shown in reference to the accompanying drawing, but it should be stated that, these Embodiment is not limitation of the present invention, those of ordinary skill in the art according to these embodiments made by function, method, Or equivalent transformation or substitution in structure, all belong to the scope of protection of the present invention within.
As shown in Figure 1, continuous positive pressure connector of the invention includes:Liquid feeding end 14, inlet tube 15, liner 9, piston 7, elasticity Part 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 6:100 connector, 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 continuous positive pressure connector of the invention enables to remaining needle when not being infused, continue in 3-48h to Micro-injection physiological saline is injected in patient vessel, avoids the generation of blood backflow and solidification phenomenon in indwelling needle catheter, To reduce the risk of thrombosis in indwelling needle catheter.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
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 6:100 connector.
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.
CN201810736807.XA 2018-07-06 2018-07-06 Continuous positive pressure connector Pending CN108815698A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810736807.XA CN108815698A (en) 2018-07-06 2018-07-06 Continuous positive pressure connector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810736807.XA CN108815698A (en) 2018-07-06 2018-07-06 Continuous positive pressure connector

Publications (1)

Publication Number Publication Date
CN108815698A true CN108815698A (en) 2018-11-16

Family

ID=64136364

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810736807.XA Pending CN108815698A (en) 2018-07-06 2018-07-06 Continuous positive pressure connector

Country Status (1)

Country Link
CN (1) CN108815698A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109602999A (en) * 2018-12-04 2019-04-12 许克璞 A kind of picc indwelling tube continues feed flow preventing clogging up device and its feed liquid method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109602999A (en) * 2018-12-04 2019-04-12 许克璞 A kind of picc indwelling tube continues feed flow preventing clogging up device and its feed liquid method
CN109602999B (en) * 2018-12-04 2021-04-27 许克璞 Continuous liquid supply anti-blocking device for picc indwelling pipe and liquid supply method thereof

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