CN106668976A - Positive pressure joint for medical infusion and using method thereof - Google Patents
Positive pressure joint for medical infusion and using method thereof Download PDFInfo
- Publication number
- CN106668976A CN106668976A CN201611237810.4A CN201611237810A CN106668976A CN 106668976 A CN106668976 A CN 106668976A CN 201611237810 A CN201611237810 A CN 201611237810A CN 106668976 A CN106668976 A CN 106668976A
- Authority
- CN
- China
- Prior art keywords
- breach
- plug
- positive pressure
- main body
- upper lid
- 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
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
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
-
- 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
- A61M39/02—Access sites
- A61M39/0208—Subcutaneous access sites for injecting or removing fluids
-
- 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
- A61M39/02—Access sites
- A61M39/06—Haemostasis valves, i.e. gaskets sealing around a needle, catheter or the like, closing on removal 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
- A61M39/02—Access sites
- A61M2039/0205—Access sites for injecting media
-
- 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
- A61M39/02—Access sites
- A61M39/06—Haemostasis valves, i.e. gaskets sealing around a needle, catheter or the like, closing on removal thereof
- A61M2039/062—Haemostasis valves, i.e. gaskets sealing around a needle, catheter or the like, closing on removal thereof used with a catheter
Abstract
The invention discloses a positive pressure joint for medical infusion and a using method thereof. The positive pressure joint for medical infusion comprises an upper cover, a body and a rubber plug. The upper cover and the body are buckled together, the rubber plug is installed on the upper cover and arranged inside the body and is in close fit with the upper cover. An external screw is arranged on the outer surface of the upper portion of the upper cover. The upper cover further comprises an outer layer, an inner layer, a hollow layer and a plurality of liquid conveying holes. The liquid conveying holes are distributed at the upper portion of the inner layer at equal intervals. The body comprises a main pipe, a branch pipe and a plurality of lower supporting teeth. The lower supporting teeth are distributed at the bottom inside the body at equal intervals. Six gaps are sequentially formed in the surface of the rubber plug from bottom to top. The rubber plug made of silica gel material is adopted for replacing a spring plug, and the material compatibility risk is avoided; meanwhile, by adopting the dual-layer upper cover structure, a hollow layer is arranged inside the structure for guiding liquid, positive pressure is manufactured in the pulling-out process, the blood returning risk is avoided, the medical risk is lowered, and mental stress of a patient is relieved.
Description
Technical field
The present invention relates to a kind of medical infusion positive pressure connector and its application method, for medicine equipment infusion apparatus product.
Background technology
In medical infusion field, using in the clinical manipulation of transfusion device, medical personnel are often according to the actual feelings of sufferer
Condition, in infusion process to pipeline in extra injection liquid, present widespread practice be in infusion apparatus pipeline connect one
Injection member, the medicine-pouring port of the injection member is plug structure, and needs injection pin puncture plug enters inside injection member when using, to
Liquid medicine injection in pipeline, but such way can usually occur buffings in puncture process and come off, the buffings for coming off is mixed into medicine
Pollution is formed in liquid, potential safety hazard is caused.
Additionally, when injection member is used for the intravenous needle end of infusion apparatus, the negative pressure produced because extracting syringe can be by blood
Liquid falls in suction line, and blood back occurs, and this point is more obvious in the infusion apparatus application of remaining needle class, and the blood of suck-back will
Rest in pipeline, thrombus will be triggered after certain hour, when being again coupled to pipeline transfusion, thrombus can be poured blood by new liquid
Pipe, easily causes angiemphraxis, dangerous very big especially for the elderly.Positive pressure connector on the market is adopted mostly now
Built-in spring structure is used, spring plug also can be popped into position and then when extracting syringe, but the spring plug of metal quality is in malleation
With liquid directly contact in joint, the material compatibility issues for being triggered can not be ignored, many liquids and metal class material
Can react, influence drug effect even causes harm, therefore the use of present positive pressure connector has limitation very much.And, with
The development of medical technology, new drug constantly emerges in large numbers, it is impossible to which the liquid with metal directly contact also can be more and more, this positive crimping
The use of head also can be more and more inconvenient.
The content of the invention
In view of the deficiency that prior art is present, the invention provides a kind of medical infusion positive pressure connector, using silica gel material
The plug of matter substitutes original spring plug, has evaded material compatibility risk, meanwhile, using double-deck superstructure, internally set
Hollow layer drain, is withdrawal process manufacture malleation, it is to avoid blood back risk.
To realize affiliated purpose, the technical scheme for being used is the present invention：Medical infusion positive pressure connector, the medical treatment is defeated
Note positive pressure connector includes upper lid, main body and plug, and the upper lid is snapped together with main body, and the plug is arranged on upper lid
In, it is placed in main body, and above cover tightly cooperation, the upper lid outer surface of upper is provided with outer screw socket, and the upper lid also includes outer layer, interior
Layer, hollow layer and several walk fluid apertures, it is described walk fluid apertures be equally spaced in internal layer top；The main body include supervisor, branch pipe and
Several subiculum teeth, the subiculum tooth is equally spaced in body interior bottom；The plug surface is sequentially provided with down from bottom to top
Breach, downside breach I and downside breach II, middle part breach, upside breach I and upside breach II, the lower breach and middle part lack
Conversely, downside breach I and downside breach II are in same level position, upside breach I and upside breach II are same for mouthful opening direction
One horizontal level；The plug extends to bottom part body, is placed on subiculum tooth.
A kind of application method of medical infusion positive pressure connector is：When pushing down on plug, the lower breach on plug, downside
Breach I and downside breach II, middle part breach, upside breach I and upside breach II play guiding metamorphosis；During installation, by it
It is connected to optional position on transfusion device pipeline；During injection, the medicine-pouring port of needleless injector is pressed downward from plug top, meanwhile,
The interior screw socket of needleless injector spins with the outer screw socket of upper lid, and with pushing for medicine-pouring port, plug is gradually deformed into S-shaped, liquid
In by the spacing inflow main body at the top of medicine-pouring port and plug, then flowed out from subiculum between cog gap；After the completion of injection, spin up upwards
Needleless injector, plug is also lifted therewith, as plug top position in upper lid is gradually increasing, remains in the liquid in lid
Overflowed from fluid apertures is walked, into hollow layer, flowed back in main body.
The beneficial effects of the invention are as follows：Newly-designed medical infusion positive pressure connector is replaced using the plug with specific breach
For original spring plug, the medicine inconsistent problem of metal material is fundamentally avoided, allow the part Clinical practice more to pacify
Entirely, the scope of application is also more extensive.Different from common plug, 6 specific breach of new plug surface institute band, when in use
Guiding denaturation can be played, the part is pushed when in use and is opened passage, the characteristics of passage is closed naturally during resilience,
The littering problem for using puncture of steel needles plug in the prior art is solved, is also fallen there will be no buffings into the liquid, sufferer is made
Into potential safety hazard.The present invention can realize balancing therein pressure from the internal structure of upper lid simultaneously, will not be fallen when using
Suction causes blood back, safer for clinical treatment, particularly for the infusion apparatus of remaining needle class, greatly reduces because of blood back
Caused by thrombus, reduce patient use remaining needle risk, also alleviate the Clinical Psychological pressure of sufferer.
Brief description of the drawings
Fig. 1 front views of the present invention；
Fig. 2 left views of the present invention；
Fig. 3 left view cut-away views of the present invention；
Lid front view in Fig. 4 present invention；
A-A sectional views are covered in Fig. 5 present invention；
Fig. 6 plug front views of the present invention；
Fig. 7 plug rearviews of the present invention；
Fig. 8 plug right views of the present invention；
Fig. 9 plug left views of the present invention；
Figure 10 plug deformation state schematic diagrames of the present invention；
Injection view when Figure 11 present invention is used；
Liquid flows to schematic diagram when Figure 12 present invention extracts syringe；
Figure 13 present invention extracts view after syringe；
Figure 14 present invention entirety use state schematic diagrames.
Specific embodiment
As Figure 1-3, medical infusion positive pressure connector, the medical infusion includes upper lid 1-1, master with positive pressure connector 1
Body 1-2 and plug 1-3.
As illustrated in figures 4-5, upper lid 1-1 and main body 1-2 is snapped together, and plug 1-3 is arranged in upper lid 1-1, is placed in master
In body 1-2, with upper lid 1-1 tight fits, upper lid 1-1 outer surface of upper is provided with outer screw socket 1-1-5, and upper lid 1-1 also includes outer layer 1-
1-1, internal layer 1-1-2, hollow layer 1-1-3 and several walk fluid apertures 1-1-4, walk fluid apertures 1-1-4 and be equally spaced on internal layer 1-1-2
Portion；Main body 1-2 includes supervisor 1-2-1, branch pipe 1-2-2 and several subiculums tooth 1-2-3, and subiculum tooth 1-2-3 is equally spaced in master
Body 1-2 inner bottoms.
As illustrated in figures 6-10, plug 1-3 surfaces be sequentially provided with from bottom to top lower breach 1-3-1, the 1-3-2 of downside breach I and
The 1-3-3 of downside breach II, middle part breach 1-3-4, the 1-3-5 of upside breach I and upside breach II 1-3-6, the lower breach 1-3-1
With middle part breach 1-3-4 opening directions conversely, the 1-3-2 of downside breach I and the 1-3-3 of downside breach II are in same level position, on
The 1-3-5 of side breach I and the 1-3-6 of upside breach II are in same level position；
As shown in figure 1, plug 1-3 extends to main body 1-2 bottoms, it is placed on subiculum tooth 1-2-3.
Plug 1-3 is using best material --- the silica gel of drug compatibility.
As illustrated in figs. 11-14, the application method of medical infusion positive pressure connector is：When pushing down on plug 1-3, plug 1-
Lower breach 1-3-1, the 1-3-2 of downside breach I and the 1-3-3 of downside breach II on 3, middle part breach 1-3-4, the 1-3-5 of upside breach I
Guiding metamorphosis is played with the 1-3-6 of upside breach II；During installation, the optional position on transfusion device pipeline is connected；Injection
When, the medicine-pouring port 2-1 of needleless injector 2 is pressed downward from plug 1-3 tops, meanwhile, the interior screw socket 2-2 of needleless injector 2 with
The outer screw socket 1-1-5 of upper lid 1-1 spins, and with pushing for medicine-pouring port 2-1, plug 1-3 is gradually deformed into S-shaped, and liquid is by note
Spacing at the top of medicine mouthful 2-1 and plug 1-3 is flowed into main body 1-2, then is flowed out from gap between subiculum tooth 1-2-3；After the completion of injection,
Needleless injector 2 is spun up upwards, and plug 1-3 is also lifted therewith, as plug 1-3 tops position in upper lid 1-1 is gradually increasing,
The liquid remained in lid 1-1 overflows from fluid apertures 1-1-4 is walked, and into hollow layer 1-1-3, flows back in main body 1-2.
In medical infusion field, using in the clinical manipulation of transfusion device, medical personnel are often according to the actual feelings of sufferer
Condition, in infusion process to pipeline in extra injection liquid, present widespread practice be in infusion apparatus pipeline connect one
Injection member, the medicine-pouring port of the injection member is plug structure, and needs injection pin puncture plug enters inside injection member when using, to
Liquid medicine injection in pipeline, but such way can usually occur buffings in puncture process and come off, the buffings for coming off is mixed into medicine
Pollution is formed in liquid, potential safety hazard is caused.
Additionally, when injection member is used for the intravenous needle end of infusion apparatus, the negative pressure produced because extracting syringe can be by blood
Liquid falls in suction line, and blood back occurs, and this point is more obvious in the infusion apparatus application of remaining needle class, and the blood of suck-back will
Rest in pipeline, thrombus will be triggered after certain hour, when being again coupled to pipeline transfusion, thrombus can be poured blood by new liquid
Pipe, easily causes angiemphraxis, dangerous very big especially for the elderly.Positive pressure connector on the market is adopted mostly now
Built-in spring structure is used, spring plug also can be popped into position and then when extracting syringe, but the spring plug of metal quality is in malleation
With liquid directly contact in joint, the material compatibility issues for being triggered can not be ignored, many liquids and metal class material
Can react, influence drug effect even causes harm, therefore the use of present positive pressure connector has limitation very much.And, with
The development of medical technology, new drug constantly emerges in large numbers, it is impossible to which the liquid with metal directly contact also can be more and more, this positive crimping
The use of head also can be more and more inconvenient.
In order to solve the problems, such as metal closures may and puncture of steel needles incompatible with medicine drop the problem of buffings, the present invention
By six breach on plug, make its regular deformation when downward pressure is received, when being pressed onto, plug curves S
Shape, now plug top can incline, thus it can also form gap between needleless injector medicine-pouring port, as fluid passage,
Plug can also rebound original state when withdrawing from pressure, and above cover tightly close fit, the positive pressure connector is recovered closed again, reach and be not required to
Puncture, injection by pushing, extraction is closed effect.
In order to the negative pressure for solving the problems, such as to extract produced during syringe can cause blood back, the present invention is by by upper cover design
Double-decker, built-in hollow layer opens several and walks fluid apertures on internal layer top, when plug resilience, the liquid quilt remained in upper lid
Plug top is pushed up, and is flowed out naturally from fluid apertures is walked, and the liquid runs down hollow layer of outflow flow back into main body, balance because
Rubber cushion withdraws from negative pressure caused by main body, whole positive pressure connector internal pressure is maintained a poised state.
Newly-designed medical infusion substitutes original spring plug with positive pressure connector using the plug with specific breach, from root
The medicine inconsistent problem of metal material is avoided in sheet, allows the part Clinical practice is safer, the scope of application is also wider
It is general.Different from common plug, 6 specific breach of new plug surface institute band can play guiding denaturation when in use,
The part is pushed when in use and open passage, the characteristics of passage is closed naturally during resilience, solve makes in the prior art
With the littering problem of puncture of steel needles plug, also fall there will be no buffings into the liquid, potential safety hazard is caused to sufferer.While this hair
It is bright can be realized from the internal structure of upper lid balance therein pressure, when using will not suck-back cause blood back, for clinic
Treatment is safer, particularly for the infusion apparatus of remaining needle class, greatly reduces because of thrombus caused by blood back, reduces
Patient also alleviates the Clinical Psychological pressure of sufferer using the risk of remaining needle.
Claims (3)
1. medical infusion positive pressure connector, the medical infusion positive pressure connector（1）Including upper lid（1-1）, main body（1-2）And glue
Plug（1-3）, the upper lid（1-1）With main body（1-2）Snap together, the plug（1-3）Installed in upper lid（1-1）In, put
In main body（1-2）It is interior, with upper lid（1-1）Tight fit, upper lid（1-1）Outer surface of upper is provided with outer screw socket（1-1-5）, its feature exists
In：Upper lid（1-1）Also include outer layer（1-1-1）, internal layer（1-1-2）, hollow layer（1-1-3）Fluid apertures is walked with several（1-1-4）,
It is described walk fluid apertures（1-1-4）It is equally spaced in internal layer（1-1-2）Top；The main body（1-2）Including supervisor（1-2-1）, branch pipe
（1-2-2）With several subiculum teeth（1-2-3）, the subiculum tooth（1-2-3）It is equally spaced in main body（1-2）Inner bottom；Glue
Plug（1-3）Surface is sequentially provided with lower breach from bottom to top（1-3-1）, downside breach I（1-3-2）With downside breach II（1-3-3）、
Middle part breach（1-3-4）, upside breach I（1-3-5）With upside breach II（1-3-6）, the lower breach（1-3-1）Lack with middle part
Mouthful（1-3-4）Opening direction is conversely, downside breach I（1-3-2）With downside breach II（1-3-3）In same level position, upside
Breach I（1-3-5）With upside breach II（1-3-6）In same level position；Plug（1-3）Extend to main body（1-2）Bottom, puts
In subiculum tooth（1-2-3）On.
2. medical infusion positive pressure connector as claimed in claim 1, it is characterised in that the plug（1-3）Material be silicon
Glue.
3. the application method of the medical infusion positive pressure connector described in a kind of use claim 1, it is characterised in that：Push down on
Plug（1-3）When, plug（1-3）On lower breach（1-3-1）, downside breach I（1-3-2）With downside breach II（1-3-3）, in
Portion's breach（1-3-4）, upside breach I（1-3-5）With upside breach II（1-3-6）Play guiding metamorphosis；
During installation, the optional position on transfusion device pipeline is connected；
During injection, by needleless injector（2）Medicine-pouring port（2-1）From plug（1-3）Top is pressed downward, meanwhile, needleless injector
（2）Interior screw socket（2-2）With upper lid（1-1）Outer screw socket（1-1-5）Spin, with medicine-pouring port（2-1）Push, plug（1-
3）S-shaped is gradually deformed into, liquid passes through medicine-pouring port（2-1）With plug（1-3）The spacing at top flows into main body（1-2）In, then from
Subiculum tooth（1-2-3）Between gap outflow；
After the completion of injection, needleless injector is spun up upwards（2）, plug（1-3）Also lift therewith, with plug（1-3）Top exists
Upper lid（1-1）Middle position is gradually increasing, and remains in lid（1-1）In liquid from walking fluid apertures（1-1-4）Middle spilling, into hollow
Layer（1-1-3）, flow back to main body（1-2）In.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611237810.4A CN106668976A (en) | 2016-12-28 | 2016-12-28 | Positive pressure joint for medical infusion and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611237810.4A CN106668976A (en) | 2016-12-28 | 2016-12-28 | Positive pressure joint for medical infusion and using method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106668976A true CN106668976A (en) | 2017-05-17 |
Family
ID=58873083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611237810.4A Pending CN106668976A (en) | 2016-12-28 | 2016-12-28 | Positive pressure joint for medical infusion and using method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106668976A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201791158U (en) * | 2010-09-16 | 2011-04-13 | 吴林元 | Positive pressure needle-less connecting piece |
| 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 |
| CN103764517A (en) * | 2011-08-31 | 2014-04-30 | 株式会社吉野工业所 | Pouring container |
| CN104815365A (en) * | 2015-05-20 | 2015-08-05 | 宁湘龙 | Medical needleless positive pressure joint |
| CN205007428U (en) * | 2015-07-29 | 2016-02-03 | 佳承精工股份有限公司 | Needle injection T type piecing devices are exempted from to malleation |
| CN205145280U (en) * | 2015-10-10 | 2016-04-13 | 王学博 | Malleation does not have adapter |
| 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 |
| CN206950408U (en) * | 2016-12-28 | 2018-02-02 | 天津哈娜好医材有限公司 | A kind of medical infusion positive pressure connector |
-
2016
- 2016-12-28 CN CN201611237810.4A patent/CN106668976A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN201791158U (en) * | 2010-09-16 | 2011-04-13 | 吴林元 | Positive pressure needle-less connecting piece |
| CN103764517A (en) * | 2011-08-31 | 2014-04-30 | 株式会社吉野工业所 | Pouring container |
| CN104815365A (en) * | 2015-05-20 | 2015-08-05 | 宁湘龙 | Medical needleless positive pressure joint |
| CN205007428U (en) * | 2015-07-29 | 2016-02-03 | 佳承精工股份有限公司 | Needle injection T type piecing devices are exempted from to malleation |
| CN205145280U (en) * | 2015-10-10 | 2016-04-13 | 王学博 | Malleation does not have adapter |
| 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 |
| CN206950408U (en) * | 2016-12-28 | 2018-02-02 | 天津哈娜好医材有限公司 | A kind of medical infusion positive pressure connector |
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| PB01 | Publication | ||
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Application publication date: 20170517 |