CN103599577A - Needleless medication addition infusion positive pressure connector - Google Patents
Needleless medication addition infusion positive pressure connector Download PDFInfo
- Publication number
- CN103599577A CN103599577A CN201310646442.9A CN201310646442A CN103599577A CN 103599577 A CN103599577 A CN 103599577A CN 201310646442 A CN201310646442 A CN 201310646442A CN 103599577 A CN103599577 A CN 103599577A
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- Prior art keywords
- rubber plug
- hollow rubber
- vertical section
- plug
- inner core
- 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.)
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- 239000003814 drug Substances 0.000 title abstract description 10
- 238000001802 infusion Methods 0.000 title abstract description 9
- 229940079593 drug Drugs 0.000 title abstract 6
- 239000011229 interlayer Substances 0.000 claims abstract description 7
- 239000011324 bead Substances 0.000 claims description 15
- 238000010276 construction Methods 0.000 claims description 9
- 230000006837 decompression Effects 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 229920006324 polyoxymethylene Polymers 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- 229960001866 silicon dioxide Drugs 0.000 claims description 3
- 239000007788 liquid Substances 0.000 abstract description 27
- 239000008280 blood Substances 0.000 abstract description 8
- 210000004369 blood Anatomy 0.000 abstract description 8
- 239000002699 waste material Substances 0.000 abstract description 5
- 238000002347 injection Methods 0.000 abstract description 3
- 239000007924 injection Substances 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 5
- 230000000844 anti-bacterial effect Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 208000007536 Thrombosis Diseases 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000007 visual effect Effects 0.000 description 3
- 238000005481 NMR spectroscopy Methods 0.000 description 2
- 230000004323 axial length Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000001990 intravenous administration Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- -1 polypropylene Polymers 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000004531 microgranule Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
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
- A61M39/22—Valves or arrangement of valves
- A61M39/26—Valves closing automatically on disconnecting the line and opening on reconnection thereof
-
- 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
- A61M39/20—Closure caps or plugs for connectors or open ends of tubes
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 invention discloses a needleless medication addition infusion positive pressure connector. The needleless medication addition infusion positive pressure connector comprises a shell, wherein the shell comprises a vertical segment and a horizontal segment which is arranged in the middle of the vertical segment and connected with the vertical segment. A hollow rubber plug is arranged inside the vertical segment, wherein a semi-rigid rubber plug inner core is fixed to the upper portion of the hollow rubber plug in an inserting connection mode, an interlayer which supports the rubber plug inner core is arranged in the middle of the hollow rubber plug, and the outer wall of the top of the hollow rubber plug and the inner wall of the upper portion of the vertical segment form a leakproof structure. The hollow rubber plug separates the vertical segment from the horizontal segment, and the bottom of the hollow rubber plug and the bottom of the vertical segment are fixed to each other through a hollow gasket located inside the shell. The needleless medication addition infusion positive pressure connector has the advantages that when an injection instrument is pulled out, the needleless medication addition infusion positive pressure connector can provide an enough amount of positive pressure, so that human blood is prevented from flowing back, residual quantity of liquid medicine in the needleless medication addition infusion positive pressure connector is reduced, waste of the liquid medicine is reduced, and the accuracy of dosages is guaranteed.
Description
Technical field
The present invention relates to a kind of Needleless dosing transfusion positive-pressure joint of medical instruments field.
Background technology
Needleless dosing transfusion positive-pressure joint is mainly used in liquid medicine injection in medical treatment, gravity infusion, Liquid extracting, can with intravenous transfusion device, the injecting apparatus such as venous duct connect, and Needleless dosing transfusion positive-pressure joint can be avoided due to the microgranule that syringe needle puncture may bring human capillary vessel, the pollution of micro-bits.When injecting apparatus is pulled out, Needleless dosing transfusion positive-pressure joint produces a malleation, automatically makes intravenous transfusion device, and the liquid in venous duct etc. is pushed ahead, and can prevent blood backflow, avoids forming thrombosis.The subject matter that current Needleless dosing transfusion positive-pressure joint exists is: when injecting apparatus is pulled out, the malleation quantity not sufficient that Needleless dosing transfusion positive-pressure joint provides, cause a large amount of liquor residues in Needleless dosing transfusion positive-pressure joint, caused the waste of large medicine amount liquid, and can affect the accuracy of dosage, delay patient's treatment.Meanwhile, also there is metal structure in Needleless dosing transfusion positive-pressure joint inside, and it will affect the accuracy of check result when carrying out nuclear magnetic resonance check.
Summary of the invention
The object of the invention is in order to overcome the deficiencies in the prior art, a kind of Needleless dosing transfusion positive-pressure joint is provided, it can provide larger malleation amount when injecting apparatus is pulled out, reduce the residual quantity of medicinal liquid in Needleless dosing transfusion positive-pressure joint, reduce the waste of medicinal liquid, guarantee the accuracy of dosage.
A kind of technical scheme that realizes above-mentioned purpose is: a kind of Needleless dosing transfusion positive-pressure joint, comprise shell, and described shell is divided into vertical section, and at described vertical section middle part, the horizontal segment joining with described vertical section;
In described vertical section, be provided with hollow rubber plug, peg graft and be fixed with a semirigid plug inner core in the top of described hollow rubber plug, the middle part of described hollow rubber plug is provided with the interlayer that supports described plug inner core, between the outer wall at described hollow rubber plug top and the inwall on described vertical section top, forms hermetically-sealed construction; Described hollow rubber plug cuts off described vertical section and described horizontal segment, between the bottom of described hollow rubber plug and the bottom of described vertical section, by being positioned at the hollow pad of described shell, fixes.
Further, described hollow pad comprises the shim body fixing with the bottom grafting of described hollow rubber plug inwall, and the gasket beads that is positioned at described shim body bottom, the end face of described gasket beads and the bottom surface of described hollow rubber plug are fixed, the inwall of described vertical section is close in the side of described gasket beads, the bottom of described vertical section is provided with radially to projecting inward support component, supports the bottom surface of described gasket beads.
Further, described gasket beads is provided with decompression breach.
Further, the middle part of described hollow rubber plug is provided with the plug flange being positioned on described hollow rubber plug outer wall, and described plug flange is close to the inwall of described vertical section, and described vertical section and described horizontal segment are cut off.
Further, described plug inner core comprise with described hollow rubber plug inwall peg graft fixing inner core body and with the inner core flange that is positioned at described inner core body top, the bottom surface of described inner core flange and the end face of described hollow rubber plug are fixed.
Further, the center of the end face of described plug inner core is provided with inlet.
Further, on the outer wall on described vertical section top, be socketed with and screw lid.
Further, on the outer wall of described horizontal segment, be socketed with screw socket, described screw socket and described horizontal segment radially between socket in spiral shell helmet.
Further, described shell and described hollow pad are all transparent.
Further, described shell and described hollow pad are made by medical Merlon, and described plug inner core is made by medical polyformaldehyde, and described hollow rubber plug is made by medical silica-gel.
Adopted the technical scheme of a kind of Needleless dosing transfusion positive-pressure joint of the present invention, in the vertical section of shell, hollow rubber plug is set, peg graft and be fixed with a semirigid plug inner core in the top of hollow rubber plug, the middle part of hollow rubber plug is provided with the interlayer that supports plug inner core, between the inwall on the outer wall at hollow rubber plug top and vertical section top, form hermetically-sealed construction, hollow rubber plug cuts off the horizontal segment of the vertical section of shell and shell, between the bottom of hollow rubber plug and the bottom of the vertical section of shell by a fixing technical scheme of hollow pad that is positioned at shell.Its technique effect is: when injecting apparatus is pulled out, it can provide enough malleation amounts, prevents backflowing of blood of human body, reduces the residual quantity of medicinal liquid in Needleless dosing transfusion positive-pressure joint, reduces the waste of medicinal liquid, guarantees the accuracy of dosage.
Accompanying drawing explanation
Fig. 1 is the right view of a kind of Needleless dosing transfusion positive-pressure joint of the present invention.
Fig. 2 is the A-A face cutaway view of a kind of Needleless dosing transfusion positive-pressure joint of the present invention.
Fig. 3 is the top view of the hollow pad in a kind of Needleless dosing transfusion positive-pressure joint of the present invention.
Fig. 4 is the A-A face cutaway view of a kind of Needleless dosing transfusion positive-pressure joint of the present invention under transfusion state.
The specific embodiment
Refer to Fig. 1 to Fig. 4, the present inventor is in order to understand technical scheme of the present invention better, below by embodiment particularly, and is described in detail by reference to the accompanying drawings:
Refer to Fig. 1 to Fig. 4, a kind of Needleless dosing transfusion positive-pressure joint of the present invention, comprises shell 1, and shell 1 has the structure of tee T, and shell 1 is divided into the vertical section 11 of both ends open, and at the middle part of vertical section 1, the horizontal segment 12 joining with vertical section 11.The radial center of horizontal segment 12 forms the liquid outlet 121 that medicinal liquid flows out Needleless dosing transfusion positive-pressure joint.
In vertical section 11, being provided with a hollow rubber plug 2, pegs graft and is fixed with a semirigid plug inner core 3 in the top of hollow rubber plug 2, and the rigidity of plug inner core 3 must be greater than the rigidity of hollow rubber plug 2.The middle part of hollow rubber plug 2, is provided with and is positioned at hollow rubber plug 2 inside, for supporting the interlayer 21 of plug inner core 3.The top of hollow rubber plug 2 is equivalent to have semirigid structure, stressed rear substantially indeformable.
Meanwhile, vertical section 11 tops be in vertical section 11 higher than horizontal segment 12 parts, vertical section 11 bottoms are lower than horizontal segment 12 parts in vertical section 11.In order to make Needleless dosing transfusion positive-pressure joint can bear certain blood of human body pressure, do not leak; For the space in Needleless dosing transfusion positive-pressure joint and space outerpace are cut off, thereby prevent the pollution of outside air and antibacterial; For can be in infusion process, provide the extruding force of medical liquid squeezing horizontal segment 12, also, for when injecting apparatus 7 is pulled out, make to produce enough malleation amounts in Needleless dosing transfusion positive-pressure joint, between the outer wall at hollow rubber plug 2 tops and the inwall on vertical section 11 tops, must form hermetically-sealed construction.
In the present embodiment, the top of hollow rubber plug 2, is provided with and is positioned on hollow rubber plug 2 outer walls, the upper flange 23 that axial length is 0.5～1mm, upper flange 23 is close to the inwall on vertical section 11 tops, thereby makes to have formed hermetically-sealed construction between the outer wall at hollow rubber plug 2 tops and the inwall on vertical section 11 tops.Should be noted that, between the outer wall on hollow rubber plug 2 tops and the inwall on vertical section 11 tops, form hermetically-sealed construction and be not limited to upper flange 23 these a kind of modes are set, the axial length of upper flange 23 is also not limited to 0.5～1mm.
Meanwhile, the outer wall of hollow rubber plug 2 cuts off vertical section 11 and horizontal segment 12, makes also to form hermetically-sealed construction between hollow rubber plug 2 and horizontal segment 12.
Between the inwall of the outer wall of hollow rubber plug 2 bottoms and vertical section 11 bottoms, leave gap.The effect in this gap is: when injecting apparatus 7 inserts from the top of vertical section 11, for the high-elastic compressive deformation of hollow rubber plug 2 bottoms provides sufficient space.
The bottom of hollow rubber plug 2 is provided with a hollow pad 4 that is positioned at shell 1.The bottom of the bottom of vertical section 11 and hollow rubber plug 2 is fixed.
The circular cone interface 71 of injecting apparatus 7 inserts Needleless dosing transfusion positive-pressure joint from the top of vertical section 11, and injecting apparatus 7 is by masterpiece for plug inner core 3, and plug inner core 3 is transmitted to power on hollow rubber plug 2.Hollow rubber plug 2 and plug inner core 3 integral body move down, the top of hollow rubber plug 2, and more than 21 part of interlayer, substantially indeformable.The bottom of hollow rubber plug 2,, there is high-elastic compressive deformation in the part of interlayer below 21, has been equivalent to play the effect of a spring.
Along with the bottom of hollow rubber plug 2, there is high resiliency compressive deformation, the gap forming between the outer wall on the top of hollow rubber plug 2 and the inwall of vertical section 11 is for storing medicinal liquid.Meanwhile, between vertical section 11 and horizontal segment 12, be communicated with.The inlet 33 of medicinal liquid from plug inner core 3 end faces overflows, and three equally distributed overflow launders on vertical section 11 inwalls (not showing in Fig. 2 and Fig. 4), are full of in the outer wall and the gap between vertical section 11 inwalls on hollow rubber plug 2 tops.Then, medicinal liquid flows out Needleless dosing transfusion positive-pressure joint along horizontal segment 12.Needleless dosing transfusion positive-pressure joint is in inject state.
After pulling out injecting apparatus 7, the high-elastic compressive deformation of the bottom of hollow rubber plug 2 restores, and the outer wall of hollow rubber plug 2 will cut off between vertical section 11 and horizontal segment 12 again.In this process, because the high-elastic compressive deformation of hollow rubber plug 2 restores, in Needleless dosing transfusion positive-pressure joint, produce enough large malleation amount, automatically make medicinal liquid push ahead along horizontal segment 12, prevent that blood backflow from entering horizontal segment 12, avoids forming thrombosis.
By above-mentioned design, when injecting apparatus 7 is pulled out, Needleless dosing transfusion positive-pressure joint can provide enough large malleation amount, prevent that blood backflow from entering horizontal segment 12, avoid forming thrombosis, and reduce the residual quantity of medicinal liquid in Needleless dosing transfusion positive-pressure joint, and reduce the waste of medicinal liquid, guarantee the accuracy of dosage.
In the present embodiment, hollow pad 4 comprises and the hollow rubber plug 2 bottom interior wall fixing shim body 41 of pegging graft, and the gasket beads 42 that is positioned at shim body 41 bottoms, the bottom surface of the end face of gasket beads 42 and hollow rubber plug 2 is fixed, the inwall of vertical section 11 is close in the side of gasket beads 42, forms hermetically-sealed construction, and the bottom of vertical section 11 is provided with radially to projecting inward support component 111, the bottom surface of support pad flange 42, thus be convenient to the location of hollow pad 4 in shell 1.The object of design is to increase the contact area of hollow pad 4 and vertical section 11 bottoms like this, disperses stressedly, prevents that vertical section 11 from use ftractureing.Hollow pad 4, the radial center of hollow pad 4 is provided with through hole 43, its role is to: reduce the resistance that hollow rubber plug 2 bottoms are subject in high-elastic compressive deformation.
In order further to reduce the resistance that hollow rubber plug 2 bottoms are subject in high-elastic compressive deformation, the gasket beads 42 of hollow pad 4 is provided with a decompression breach 421 being positioned in gasket beads 42 radial edges.When high-elastic compressive deformation occurs in the bottom of hollow rubber plug 2, the air in the gap between the outer wall of hollow rubber plug 2 bottoms and the inwall of vertical section 11 bottoms can be discharged by decompression breach 421.The bottom of hollow rubber plug 2 completes after high-elastic compressive deformation, between the outer wall of hollow rubber plug 2 bottoms and the inwall of vertical section 11 bottoms, forms hermetically-sealed construction, thereby medicinal liquid can be from vertical section 11 bottom water clocks.
In the present embodiment, the middle part of hollow rubber plug 2 is provided with the plug flange 22 being positioned on hollow rubber plug 2 outer walls, the object of plug flange 22 is: at Needleless dosing transfusion positive-pressure joint, be connected with human body and when distortion injection, plug flange 22 forms seal configuration with the inwall of vertical section 11, makes Needleless dosing transfusion positive-pressure joint can bear certain blood of human body pressure and does not leak; Meanwhile, prevent that outside air and antibacterial from entering and polluting.
In the present embodiment, plug inner core 3 comprise with hollow rubber plug 2 inwalls peg graft fixing inner core body 31 and with the inner core flange 32 that is positioned at inner core body 31 tops, the end face of the bottom surface of inner core flange 32 and hollow rubber plug 2 is fixed.The object of design is like this: high-elastic compressive deformation does not occur on the top that guarantees hollow rubber plug 2, guarantee when Needleless dosing transfusion positive-pressure joint is under transfusion state simultaneously, between the outer wall on hollow rubber plug 2 tops and the inwall of vertical section 11, can form gap, make medicinal liquid by horizontal segment 12, flow out Needleless dosing transfusion positive-pressure joint smoothly.
Simultaneously, the center of the end face of plug inner core 3 is provided with inlet 33, the medicinal liquid that injecting apparatus is 7 li is just by inlet 33, from equally distributed three overflow launders on vertical section 11 inwalls, overflow again, be full of in the outer wall and the gap between vertical section 11 inwalls on hollow rubber plug 2 tops, along horizontal segment 12, flow out Needleless dosing transfusion positive-pressure joint.
In the present embodiment, on the outer wall of horizontal segment 12, be socketed with screw socket 61, screw socket 61 and horizontal segment 12 radially between spiral shell helmet 62 in socket, for the protection of liquid outlet 121, be not subject to the pollution of dust and antibacterial in outside air.
Meanwhile, on the outer wall on vertical section 11 tops, be socketed with to screw and cover 5, screw cover 5 fixing by being positioned at external screw thread in vertical section 11 top exterior walls 112.Screwing 5 the effect of covering is: as the protective cap of Needleless dosing transfusion positive-pressure joint liquid feeding end; prevented well the hollow rubber plug 2 of liquid feeding end; and outside plug inner core 3 end faces are exposed to; by the possibility of the pollution of dust in outside air and antibacterial, this is that other Needleless dosing transfusion positive-pressure joint is unexistent at present.The another one effect of external screw thread 112 is: the circular cone interface 71 at injecting apparatus 7 inserts behind the top of vertical section 11, and injecting apparatus 7 is fixing, as shown in Figure 4.
Meanwhile, in order to realize the high-elastic compressive deformation of hollow rubber plug 2, hollow rubber plug 2 is made by medical silica-gel.The rigidity of plug inner core 3 and hollow pad 4 is greater than the rigidity of hollow rubber plug 2, so the preferred medical polyformaldehyde of the material of plug inner core 3, is opaque, hollow pad 4, shell 1, and the preferred medical Merlon of material of screw socket 61, is transparent.The preferred polypropylene for medical article of material of interior spiral shell helmet 62, screws the preferred medical polyethylene of material that covers 5, is all opaque.In the present embodiment, Needleless dosing transfusion positive-pressure joint inside has guaranteed that without metal parts transfusion patient carries out the correct result of nuclear magnetic resonance check.
Claims (10)
1. a Needleless dosing transfusion positive-pressure joint, comprises shell (1), and described shell (1) is divided into vertical section (11), and at described vertical section (11) middle part, the horizontal segment (12) joining with described vertical section (11); It is characterized in that:
In described vertical section (11), be provided with hollow rubber plug (2), peg graft and be fixed with a semirigid plug inner core (3) in the top of described hollow rubber plug (2), the middle part of described hollow rubber plug (2) is provided with the interlayer (21) that supports described plug inner core (3), between the outer wall at described hollow rubber plug (2) top and the inwall on described vertical section (11) top, forms hermetically-sealed construction; Described hollow rubber plug (2) cuts off described vertical section (11) and described horizontal segment (12), between the bottom of described hollow rubber plug (2) and the bottom of described vertical section (11), by being positioned at the hollow pad (4) of described shell (1), fixes.
2. a kind of Needleless dosing transfusion positive-pressure joint according to claim 1, it is characterized in that: described hollow pad (4) comprises the shim body (41) fixing with the grafting of described hollow rubber plug (2) inwall bottom, and the gasket beads (42) that is positioned at described shim body (41) bottom, the bottom surface of the end face of described gasket beads (42) and described hollow rubber plug (2) is fixed, the inwall of described vertical section (11) is close in the side of described gasket beads (42), the bottom of described vertical section (11) is provided with radially to projecting inward support component (111), support the bottom surface of described gasket beads (42).
3. a kind of Needleless dosing transfusion positive-pressure joint according to claim 2, is characterized in that: described gasket beads (42) is provided with decompression breach (421).
4. a kind of Needleless dosing transfusion positive-pressure joint according to claim 2, it is characterized in that: the middle part of described hollow rubber plug (2) is provided with the plug flange (22) being positioned on described hollow rubber plug (2) outer wall, described plug flange (22) is close to the inwall of described vertical section (11), and described vertical section (11) and described horizontal segment (12) are cut off.
5. according to a kind of Needleless dosing transfusion positive-pressure joint described in any one in claim 1 to 4, it is characterized in that: described plug inner core (3) comprise with described hollow rubber plug (2) inwall peg graft fixing inner core body (31) and with the inner core flange (32) that is positioned at described inner core body (31) top, the end face of the bottom surface of described inner core flange (32) and described hollow rubber plug (2) is fixed.
6. a kind of Needleless dosing transfusion positive-pressure joint according to claim 5, is characterized in that: the center of the end face of described plug inner core (3) is provided with inlet (33).
7. according to a kind of Needleless dosing transfusion positive-pressure joint described in any one in claim 1 to 4, it is characterized in that: on the outer wall on described vertical section (11) top, be socketed with and screw lid (5).
8. according to a kind of Needleless dosing transfusion positive-pressure joint described in any one in claim 1 to 4, it is characterized in that: on the outer wall of described horizontal segment (12), be socketed with screw socket (61), described screw socket (61) and described horizontal segment (12) radially between socket in spiral shell helmet (62).
9. according to a kind of Needleless dosing transfusion positive-pressure joint described in any one in claim 1 to 4, it is characterized in that: described shell (1) and described hollow pad (4) are all transparent.
10. according to a kind of Needleless dosing transfusion positive-pressure joint described in claim 9, it is characterized in that: described shell (1) and described hollow pad (4) are made by medical Merlon, described plug inner core (3) is made by medical polyformaldehyde, and described hollow rubber plug (2) is made by medical silica-gel.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310646442.9A CN103599577A (en) | 2013-12-03 | 2013-12-03 | Needleless medication addition infusion positive pressure connector |
| PCT/CN2014/092274 WO2015081802A1 (en) | 2013-12-03 | 2014-11-26 | Needle-less dosing infusion positive pressure connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310646442.9A CN103599577A (en) | 2013-12-03 | 2013-12-03 | Needleless medication addition infusion positive pressure connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103599577A true CN103599577A (en) | 2014-02-26 |
Family
ID=50117879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310646442.9A Pending CN103599577A (en) | 2013-12-03 | 2013-12-03 | Needleless medication addition infusion positive pressure connector |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103599577A (en) |
| WO (1) | WO2015081802A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015081802A1 (en) * | 2013-12-03 | 2015-06-11 | 上海康德莱企业发展集团医疗器械有限公司 | Needle-less dosing infusion positive pressure connector |
| CN106110493A (en) * | 2016-07-25 | 2016-11-16 | 江苏华安吉泰医疗器械有限公司 | Needleless barotropic joint |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106730119B (en) * | 2017-02-17 | 2023-05-02 | 河南曙光汇知康生物科技股份有限公司 | Needleless connector for transfusion |
| CN108236759B (en) * | 2018-01-17 | 2024-06-21 | 威海洁瑞医用制品有限公司 | Medical transfusion forward flow joint device |
| CN109999264B (en) * | 2019-04-26 | 2023-11-03 | 台州安融医疗器械有限公司 | Medical unidirectional positive pressure three-fork |
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| CN201091713Y (en) * | 2007-08-17 | 2008-07-30 | 朱锡才 | Infusion connector |
| CN103599577A (en) * | 2013-12-03 | 2014-02-26 | 上海康德莱企业发展集团医疗器械有限公司 | Needleless medication addition infusion positive pressure connector |
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2013
- 2013-12-03 CN CN201310646442.9A patent/CN103599577A/en active Pending
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2014
- 2014-11-26 WO PCT/CN2014/092274 patent/WO2015081802A1/en active Application Filing
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| CN201414998Y (en) * | 2009-05-31 | 2010-03-03 | 广东龙心医疗器械有限公司 | Needle-free positive-pressure dosing infusion joint |
| CN101879339A (en) * | 2010-07-12 | 2010-11-10 | 上海康德莱企业发展集团医疗器械有限公司 | Needleless dosing positive pressure connector |
| CN201840715U (en) * | 2010-07-12 | 2011-05-25 | 上海康德莱企业发展集团医疗器械有限公司 | Needle-free medicine adding positive pressure connector |
| CN203677628U (en) * | 2013-12-03 | 2014-07-02 | 上海康德莱企业发展集团医疗器械有限公司 | Needle-free medicine adding and infusion positive pressure joint |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015081802A1 (en) * | 2013-12-03 | 2015-06-11 | 上海康德莱企业发展集团医疗器械有限公司 | Needle-less dosing infusion positive pressure connector |
| CN106110493A (en) * | 2016-07-25 | 2016-11-16 | 江苏华安吉泰医疗器械有限公司 | Needleless barotropic joint |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2015081802A1 (en) | 2015-06-11 |
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Application publication date: 20140226 |