CN104740728A - Gas and liquid separation injector - Google Patents
Gas and liquid separation injector Download PDFInfo
- Publication number
- CN104740728A CN104740728A CN201510138760.3A CN201510138760A CN104740728A CN 104740728 A CN104740728 A CN 104740728A CN 201510138760 A CN201510138760 A CN 201510138760A CN 104740728 A CN104740728 A CN 104740728A
- Authority
- CN
- China
- Prior art keywords
- syringe
- gas
- liquid
- pin hole
- liquid separation
- 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.)
- Granted
Links
- 239000007788 liquid Substances 0.000 title claims abstract description 59
- 238000000926 separation method Methods 0.000 title claims abstract description 15
- 239000012530 fluid Substances 0.000 claims description 13
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 7
- 238000002347 injection Methods 0.000 abstract description 14
- 239000007924 injection Substances 0.000 abstract description 14
- 238000000034 method Methods 0.000 abstract description 7
- 239000003814 drug Substances 0.000 description 5
- 238000001802 infusion Methods 0.000 description 5
- 238000003756 stirring Methods 0.000 description 5
- 230000005484 gravity Effects 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 230000023597 hemostasis Effects 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004581 coalescence Methods 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention relates to a gas and liquid separation injector. The gas and liquid separation injector comprises a syringe with a needle hole formed in the bottom. A piston is installed in the syringe and can slide vertically along the wall of the syringe. A buoyancy switch is installed at the needle hole. A gas separation plate is fixed to the bottom of the syringe, and a wind wheel is installed on the gas separation plate and can rotate freely around the axis of the syringe. According to the injector, bubbles in the injector can be gathered, gas can be separated in the injection process, and therefore the injection efficiency can be effectively improved.
Description
Technical field
The present invention relates to a kind of medical supplies, especially, is a kind of syringe.
Background technology
When medical personnel use syringe extracting liquid medicine, usually along with minute bubbles in pharmaceutical liquid, the medicine that mixes in advance is needed for some, needs before extraction to rock, mix homogeneously, make the bubble in syringe more in this case; Conventional syringe, after extracting liquid, needs syringe needle to leave standstill upward or the barrel that flicks syringe floats on syringe needle place to make bubble, is being discharged by gas by promotion piston; This injector operations trouble, has a strong impact on injection efficiency, can waste some drugs liquid simultaneously in the process of bubble discharge.
Summary of the invention
For the problems referred to above, the invention provides a kind of gas-liquid separation syringe, this syringe can say the interior bubble coalescence of syringe, and divided gas flow in injection process, effectively improves injection efficiency.
For solving the problem, the technical solution adopted in the present invention is: the syringe offering pin hole at the bottom of this gas-liquid separation syringe includes tin, is provided with the piston that can slide up and down along the barrel of syringe in described syringe; At described pin hole place, buoyancy switch is installed; At the bottom of the cylinder of described syringe, be fixed with air dividing plate, described air dividing plate is provided with the wind wheel that freely can rotate along the axis of described syringe.
The invention has the beneficial effects as follows: under naturalness, described buoyancy switch is closed condition, and now syringe is air-tight state, and this structure can ensure the cleaning of syringe inside; When needs extracting liquid, stir piston and syringe internal gas pressure is reduced, buoyancy switch is opened under the influence of air pressure, and liquid enters in syringe; Liquid flows through from the wind wheel on air dividing plate after entering pin hole, and liquid drives wind wheel to rotate; What enter with liquid also has bubble, and bubble wafts to syringe top in tornado shape under the drive of natural buoyancy and wind wheel, and the bubble being partly adhered to syringe barrel wafts to syringe top in the process of liquid in rotation; The bubble at top collects and is fused into air layer; In injection process, pin hole is towards hemostasis; Being dipped in water due to buoyancy switch and being held open, now liquid can be injected smoothly, and wind wheel rotates under the drive of liquid; But injecting latter stage, along with the minimizing of liquid, wind speed round reduces gradually, and when liquid flows clean gradually, buoyancy switch is closed gradually, after liquid infusion is complete, buoyancy switch is closed and also by the gas partitions in syringe, is effectively prevented gas inject human body.
The present invention is easy and simple to handle, and without the need to adjusting the bubble in syringe after extracting liquid, the present invention can voluntarily by gas barrier when injecting; When extracting liquid, by the rotation of wind wheel, the present invention can stir further liquid, mix, make medicine evenly; Speed and the injection progress of injection can be observed easily by the rotation observing wind wheel; The present invention substantially increases injection efficiency, alleviates the operating pressure of medical personnel.
As preferably, described buoyancy switch includes the fluid dividing cover being fixed on pin hole place and the buoyancy plate be arranged in described fluid dividing cover; Described fluid dividing cover offers liquid outlet; Described buoyancy plate just also can along the axis of pin hole at fluid dividing cover slide over side walls to described pin hole; When not having liquid, buoyancy plate falls under gravity and blocks pin hole, now needle cylinder airtight; When after extracting liquid in syringe, buoyancy plate floats and opens pin hole, now can normal infusion; When the liquid infusion in syringe is complete, buoyancy plate falls under gravity and closes pin hole, effectively prevents the gas in syringe from entering pin hole.
As preferably, described air dividing plate to press close to tin at the bottom of plate face be the cambered surface caved inward; So that the bubble from pin hole inspiration to be pooled to the central authorities of air dividing plate, to be convenient to air dividing plate and bubble to be stirred, collects.
As preferably, described wind wheel scribbles colour bar; The speed rotated by wind wheel can learn the speed of liquid infusion; If the rotation of wind wheel is slack-off when the dynamics of pushing syringe is constant, can learn that syringe is about to inject liquid, colour bar can make the rotation of wind wheel more eye-catching.
Accompanying drawing explanation
Cross-sectional view when Fig. 1 is the not drawing liquid of this gas-liquid separation syringe embodiment.
Cross-sectional view when Fig. 2 is drawing liquid embodiment illustrated in fig. 1.
Detailed description of the invention
Embodiment
In the embodiment shown in Fig. 1, Fig. 2, offer the syringe 1 of pin hole 11 at the bottom of this gas-liquid separation syringe includes tin, the piston 2 that can slide up and down along the barrel of syringe 1 is installed in described syringe 1; At described pin hole 11 place, buoyancy switch is installed; Described buoyancy switch includes the fluid dividing cover 3 being fixed on pin hole 11 place and the buoyancy plate 4 be arranged in described fluid dividing cover 3; Described fluid dividing cover 3 offers liquid outlet 31; Described buoyancy plate 4 just also can along the axis of pin hole 11 at fluid dividing cover 3 slide over side walls to described pin hole 11; At the bottom of the cylinder of described syringe 1, be fixed with air dividing plate 5, described air dividing plate 5 to press close to tin at the bottom of plate face be the cambered surface caved inward; Described air dividing plate 5 is provided with the wind wheel 6 that freely can rotate along the axis of described syringe 1, described wind wheel 6 scribbles colour bar.
Under naturalness, pin hole 11 blocked under gravity by described buoyancy plate 4, and now pin hole 11 is in closed condition, and now syringe 1 is in air-tight state, and this structure can ensure the cleaning of syringe 1 inside; When needs extracting liquid, stir piston 2 and syringe 1 internal gas pressure is reduced, described buoyancy plate 4 is opened under the influence of air pressure, and liquid enters syringe 1 from the liquid outlet 31 of fluid dividing cover 3; Liquid flows through from the wind wheel 6 on air dividing plate 5 after entering pin hole 11, and liquid drives wind wheel 6 to rotate; What enter with liquid also has bubble, and bubble wafts to syringe 1 top in tornado shape under the drive of natural buoyancy and wind wheel 6, and the bubble being partly adhered to syringe 1 barrel wafts to syringe 1 top in the process of liquid in rotation; The bubble at top collects and is fused into air layer; In injection process, pin hole 11 is towards hemostasis; Because buoyancy plate is dipped in liquid, be held open under the effect of buoyancy, now liquid can be injected smoothly, and meanwhile, wind wheel 6 rotates under the drive of liquid; But injecting latter stage, along with the minimizing of liquid, wind wheel 6 rotating speed reduces gradually, when liquid flows clean gradually, buoyancy plate 4 position declines gradually and is blocked by pin hole 11, after liquid infusion is complete, buoyancy switch is closed, and the gas now in syringe 1 is separated, and effectively prevents gas inject human body.
Air dividing plate 5 in the present embodiment to press close to tin at the bottom of plate face be the cambered surface caved inward; Bubble from pin hole inspiration can be pooled to the central authorities of air dividing plate by this structure, and namely all bubbles, all through the stirring of wind wheel 6, effectively can promote that bubble rotates and rise and collect.
The present invention is easy and simple to handle, when extracting liquid, the bubble entered with liquid can quick collecting to piston 2 end, when injecting, this syringe can separate bubbles and liquid automatically, without the need to adjusting the bubble in syringe, effectively improves injection efficiency; When extracting liquid, by the rotation of wind wheel 6, the present invention can stir further liquid, mix, make medicine evenly; In addition, speed and the injection progress of injection can be observed by the rotation observing wind wheel 6 easily, on wind wheel, scribble colour bar in the present embodiment, the rotation of wind wheel can be made more eye-catching; The present invention substantially increases injection efficiency, alleviates the operating pressure of medical personnel.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (4)
1. a gas-liquid separation syringe, offers the syringe (1) of pin hole (11), is provided with the piston (2) that can slide up and down along the barrel of syringe (1) in described syringe (1) at the bottom of this gas-liquid separation syringe includes tin; It is characterized in that: at described pin hole (11) place, buoyancy switch is installed; At the bottom of the cylinder of described syringe (1), be fixed with air dividing plate (5), described air dividing plate (5) is provided with the wind wheel (6) that freely can rotate along the axis of described syringe (1).
2. gas-liquid separation syringe according to claim 1, is characterized in that: described buoyancy switch includes the fluid dividing cover (3) being fixed on pin hole (11) place and the buoyancy plate (4) be arranged in described fluid dividing cover (3); Described fluid dividing cover (3) offers liquid outlet (31); Described buoyancy plate (4) is just to described pin hole (11) and can along the axis of pin hole (11) at fluid dividing cover (3) slide over side walls.
3. gas-liquid separation syringe according to claim 1 and 2, is characterized in that: described air dividing plate (5) to press close to tin at the bottom of plate face be the cambered surface caved inward.
4. gas-liquid separation syringe according to claim 3, is characterized in that: on described wind wheel (6), scribble colour bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510138760.3A CN104740728B (en) | 2015-03-27 | 2015-03-27 | Gas-liquid separation syringe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510138760.3A CN104740728B (en) | 2015-03-27 | 2015-03-27 | Gas-liquid separation syringe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104740728A true CN104740728A (en) | 2015-07-01 |
| CN104740728B CN104740728B (en) | 2017-07-21 |
Family
ID=53581334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510138760.3A Expired - Fee Related CN104740728B (en) | 2015-03-27 | 2015-03-27 | Gas-liquid separation syringe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104740728B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106344997A (en) * | 2016-08-29 | 2017-01-25 | 上海振浦医疗设备有限公司 | Novel filter for light-proof medicinal liquid with double injection molding and preparing method thereof |
| CN107434312A (en) * | 2017-09-14 | 2017-12-05 | 合肥千聚环保科技有限公司 | A kind of simple sewage-treatment plant of design structure |
| CN111420179A (en) * | 2020-04-16 | 2020-07-17 | 陆明京 | Syringe capable of reducing waste of liquid medicine |
| CN111420178A (en) * | 2020-04-16 | 2020-07-17 | 陆明京 | Injector capable of quickly separating gas from liquid |
| CN111529821A (en) * | 2020-05-10 | 2020-08-14 | 蔡永霞 | Self-defoaming edema-prevention syringe |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201759918U (en) * | 2010-08-08 | 2011-03-16 | 杭娟英 | Disposable automatic stopping infusion apparatus |
| CN101991974A (en) * | 2010-09-15 | 2011-03-30 | 安徽皖仪科技股份有限公司 | Full-automatic mobile phase bubble separation device |
| CN203178293U (en) * | 2013-03-18 | 2013-09-04 | 原胜军 | Proportioner for flow injection analyzer |
| CN203556018U (en) * | 2013-09-04 | 2014-04-23 | 中山市人民医院 | Air-exhaust automatic-liquid-stopping dropper for pressurizing and accelerating transfusion |
-
2015
- 2015-03-27 CN CN201510138760.3A patent/CN104740728B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201759918U (en) * | 2010-08-08 | 2011-03-16 | 杭娟英 | Disposable automatic stopping infusion apparatus |
| CN101991974A (en) * | 2010-09-15 | 2011-03-30 | 安徽皖仪科技股份有限公司 | Full-automatic mobile phase bubble separation device |
| CN203178293U (en) * | 2013-03-18 | 2013-09-04 | 原胜军 | Proportioner for flow injection analyzer |
| CN203556018U (en) * | 2013-09-04 | 2014-04-23 | 中山市人民医院 | Air-exhaust automatic-liquid-stopping dropper for pressurizing and accelerating transfusion |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106344997A (en) * | 2016-08-29 | 2017-01-25 | 上海振浦医疗设备有限公司 | Novel filter for light-proof medicinal liquid with double injection molding and preparing method thereof |
| CN106344997B (en) * | 2016-08-29 | 2022-09-02 | 上海振浦医疗设备有限公司 | Novel double-layer injection molding light-resistant liquid medicine filter and preparation method thereof |
| CN107434312A (en) * | 2017-09-14 | 2017-12-05 | 合肥千聚环保科技有限公司 | A kind of simple sewage-treatment plant of design structure |
| CN107434312B (en) * | 2017-09-14 | 2020-11-03 | 合肥千聚环保科技有限公司 | Sewage treatment device with simple design structure |
| CN111420179A (en) * | 2020-04-16 | 2020-07-17 | 陆明京 | Syringe capable of reducing waste of liquid medicine |
| CN111420178A (en) * | 2020-04-16 | 2020-07-17 | 陆明京 | Injector capable of quickly separating gas from liquid |
| CN111529821A (en) * | 2020-05-10 | 2020-08-14 | 蔡永霞 | Self-defoaming edema-prevention syringe |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104740728B (en) | 2017-07-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Lv Wei Inventor before: Wang Fuqiang |
|
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20170606 Address after: Huaiyin District of Ji'nan City, Shandong province 250021 five road No. 324 Applicant after: Shandong Provincial Hospital Address before: 210000 tulip software building, tulip Road 2, Yuhuatai District, Nanjing, Jiangsu Applicant before: Wang Fuqiang |
|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170721 Termination date: 20180327 |