CN108815698A - Continuous positive pressure connector - Google Patents
Continuous positive pressure connector Download PDFInfo
- 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
Links
- 239000007788 liquid Substances 0.000 claims abstract description 24
- 235000001674 Agaricus brunnescens Nutrition 0.000 claims description 3
- 210000000232 gallbladder Anatomy 0.000 claims description 3
- 239000012528 membrane Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 239000002504 physiological saline solution Substances 0.000 abstract description 11
- 239000008280 blood Substances 0.000 abstract description 6
- 210000004369 blood Anatomy 0.000 abstract description 6
- 238000007711 solidification Methods 0.000 abstract description 5
- 230000008023 solidification Effects 0.000 abstract description 5
- 208000007536 Thrombosis Diseases 0.000 abstract description 4
- 238000000520 microinjection Methods 0.000 abstract description 3
- 239000007924 injection Substances 0.000 description 4
- 238000002347 injection Methods 0.000 description 4
- 210000004204 blood vessel Anatomy 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000001802 infusion Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 229940127558 rescue medication Drugs 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES 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
- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
- A61M39/10—Tube connectors; Tube couplings
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES 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
- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
- A61M39/10—Tube connectors; Tube couplings
- A61M39/12—Tube connectors; Tube couplings for joining a flexible tube to a rigid attachment
Landscapes
- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Pulmonology (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
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
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.
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)
| 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 |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19820172A1 (en) * | 1997-09-30 | 2005-01-27 | Wolfgang Wagner | Injection arrangement for inserting a diagnostic carrier or medicament beneath a patient's skin has a compressed gas source and a valve closure for controlling the release of the gas that is used to inject a substance |
| CN201832285U (en) * | 2010-05-21 | 2011-05-18 | 成都普什医药塑料包装有限公司 | Disposable positive pressure joint |
| CN202397883U (en) * | 2011-08-30 | 2012-08-29 | 吴林元 | Continuous and positive pressure non-needle connecting assembly |
| CN103212154A (en) * | 2012-01-21 | 2013-07-24 | 美昕医疗器械（上海）有限公司 | One-way positive valve |
| CN103845791A (en) * | 2014-03-13 | 2014-06-11 | 李宜 | Indwelling catheter trace slow-release transfusion device |
| US20140316350A1 (en) * | 2011-12-27 | 2014-10-23 | Nipro Corporation | Needleless connector |
| CN104758997A (en) * | 2015-04-17 | 2015-07-08 | 南通恒泰医疗器材有限公司 | Integrated micro-resistance needle-free anti-counterflow infusion positive pressure connector |
| CN106730147A (en) * | 2017-02-15 | 2017-05-31 | 苏州鑫康道医疗科技有限公司 | Continuous positive pressure remaining needle |
| CN107050558A (en) * | 2017-04-26 | 2017-08-18 | 广东先来医疗器械有限公司 | A kind of malleation is sustained joint |
| CN107281584A (en) * | 2016-04-01 | 2017-10-24 | 郑万华 | Malleation pressurization no-needle transfusion transfusion safety device |
| CN209005043U (en) * | 2018-07-06 | 2019-06-21 | 苏州鑫康道医疗科技有限公司 | Continuous positive pressure connector |
-
2018
- 2018-07-06 CN CN201810736807.XA patent/CN108815698A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19820172A1 (en) * | 1997-09-30 | 2005-01-27 | Wolfgang Wagner | Injection arrangement for inserting a diagnostic carrier or medicament beneath a patient's skin has a compressed gas source and a valve closure for controlling the release of the gas that is used to inject a substance |
| CN201832285U (en) * | 2010-05-21 | 2011-05-18 | 成都普什医药塑料包装有限公司 | Disposable positive pressure joint |
| CN202397883U (en) * | 2011-08-30 | 2012-08-29 | 吴林元 | Continuous and positive pressure non-needle connecting assembly |
| US20140316350A1 (en) * | 2011-12-27 | 2014-10-23 | Nipro Corporation | Needleless connector |
| CN103212154A (en) * | 2012-01-21 | 2013-07-24 | 美昕医疗器械（上海）有限公司 | One-way positive valve |
| CN103845791A (en) * | 2014-03-13 | 2014-06-11 | 李宜 | Indwelling catheter trace slow-release transfusion device |
| CN104758997A (en) * | 2015-04-17 | 2015-07-08 | 南通恒泰医疗器材有限公司 | Integrated micro-resistance needle-free anti-counterflow infusion positive pressure connector |
| CN107281584A (en) * | 2016-04-01 | 2017-10-24 | 郑万华 | Malleation pressurization no-needle transfusion transfusion safety device |
| CN106730147A (en) * | 2017-02-15 | 2017-05-31 | 苏州鑫康道医疗科技有限公司 | Continuous positive pressure remaining needle |
| CN107050558A (en) * | 2017-04-26 | 2017-08-18 | 广东先来医疗器械有限公司 | A kind of malleation is sustained joint |
| CN209005043U (en) * | 2018-07-06 | 2019-06-21 | 苏州鑫康道医疗科技有限公司 | Continuous positive pressure connector |
Cited By (2)
| 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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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181116 |