CN201618225U - Safe bubble-free transfusion device - Google Patents
Safe bubble-free transfusion device Download PDFInfo
- Publication number
- CN201618225U CN201618225U CN2010201286499U CN201020128649U CN201618225U CN 201618225 U CN201618225 U CN 201618225U CN 2010201286499 U CN2010201286499 U CN 2010201286499U CN 201020128649 U CN201020128649 U CN 201020128649U CN 201618225 U CN201618225 U CN 201618225U
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- Prior art keywords
- dropping funnel
- liquid medicine
- air filter
- transfusion
- bubble
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- Expired - Fee Related
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Abstract
The utility model relates to sterile medical equipment used for clinical transfusion, in particular to a safe bubble-free transfusion device. Exhaust components are mounted on the cover of a dropping funnel, and comprises an exhaust needle and an air filter; the exhaust needle penetrates through the cover of the dropping funnel, is clung to the inner wall of the dropping funnel, and extends into the dropping funnel; the air filter is mounted at the upper end of the cover of the dropping funnel and is linked with the exhaust needle, and an air filter membrane capable of filtering air entering the dropping funnel is arranged in the air filter. In virtue of the structure of the exhaust components, air in the dropping funnel can be exhausted automatically by the exhaust components before the transfusion; and during the transfusion, the device is safe and free from bubbles, can prevent blood from flowing back, and has the advantages of precise filtration, simple structure, safety and reliability.
Description
Technical field
This utility model relates to the aseptic medical equipment that is used for the clinical transfusion purposes, especially relates to a kind of safe bubble-free infusion set.
Background technology
At present, the general infusion set that medical field is commonly used constitutes by parts such as bottle plug puncture unit protective sleeve, bottle plug puncture unit, transfusion tubulature, aerofluxus tubulature, air filter, last dropper, dropping funnel, flow regulator, transfusion long duct, liquid medicine filter and disposable use venoclysis needles.When general infusion set has just begun in transfusion, medicinal liquid flows out from dropper by pipeline, enter dropping funnel, liquid is easily discharged the gas in the dropping funnel downwards the formation gas-liquid mixture and is entered in the long transfusion catheter, therefore produces bubble, simultaneously, because of the surface tension effects of transfusion catheter inwall, the inwall of transfusion catheter is a spot of bubble of absorption easily, and it is comparatively difficult, time-consuming and loaded down with trivial details to get rid of consequent bubble process, if the bubble that is produced enters in patient's body, easily cause harm such as aeroembolism.So, medical personnel must be artificial with the emptying as much as possible of the bubble in the catheter of transfusion system before infusing, and common artificial deflated method is: after bottle plug puncture unit is inserted transfusion bottle stopper, earlier dropping funnel is hung upside down, squeeze dropping funnel with hands simultaneously, medicinal liquid entered in the dropping funnel, treat that certain amount of fluid is full of dropping funnel after, put down dropping funnel, just most bubble may be got rid of, the process of this artificial aerofluxus bubble is loaded down with trivial details time-consuming again, is unfavorable for promptly infusing and giving emergency treatment to a patient; And usually in infusion process, need nursing staff, patient and family numbers of patients to observe liquid situation in the infusion bottle at any time, in order to avoid when transfusion finishes, cause blood to go back up in a whole set of transfusion organ pipe because of in time not pulling out infusion needle, or liquid level descended low and causes gas to enter human body causing adverse consequencess such as aeroembolism; The liquid medicine filtering membrane of general infusion set can only can not reach the secondary filter effect with the medicinal liquid impurity filtering of diameter greater than 15 μ m, still has diameter human body to be produced harm such as thrombosis less than medicinal liquid impurity and the microgranule of 15 μ m.
Summary of the invention
The purpose of this utility model be to provide a kind of can safe bubble-free in infusion process, prevent that blood from refluxing, secondary filter, simple in structure, safe and reliable transfusion device.
The purpose of this utility model is achieved in that it comprises bottle plug puncture unit protective sleeve, bottle plug puncture unit, transfusion tubulature, aerofluxus tubulature, air filter, dropping funnel lid, liquid injecting piece, dropper, gas deflation assembly, dropping funnel, safe bubble-free assembly, flow regulator, transfusion long duct, outer cone joint, disposable use venoclysis needle, cover at dropping funnel gas deflation assembly is installed, gas deflation assembly is made up of an exhaust needle, an air filter; Exhaust needle passes dropping funnel lid and is close to the dropping funnel inwall and inserts into the inner; Air filter is installed in dropping funnel and covers end and link with exhaust needle, and the air filter membrane is arranged in the air filter, can filter the air that enters in the dropping funnel; The structure that gas deflation assembly is such can be discharged the air in the dropping funnel during transfusion automatically by gas deflation assembly.
In the dropping funnel bottom safe bubble-free assembly is installed, the safe bubble-free assembly is made up of common liquid medicine filtering membrane, precision liquid medicine filter membrane and medical filtration seat, common liquid medicine filtering membrane, precision liquid medicine filter membrane are fixed in the medical filtration seat, wherein, common liquid medicine filtering membrane is positioned at precision liquid medicine filter membrane upper strata.
The exhaust needle external diameter is 0.6mm～2.0mm, and the exhaust needle end that stretches in the dropping funnel is 10mm～25mm with the terminal vertical dimension of dropper, and exhaust needle is provided with the endoporus of a perforation, common liquid medicine filtering membrane and precision liquid medicine filter membrane diameter 〉=12mm.Be connected completely without bubble assembly lower end and transfusion device Great Wall Software pipe.The structure that the safe bubble-free assembly is such can effectively prevent the generation of bubble and prevent that bubble from entering in the transfusion long duct, also can be to the medicinal liquid secondary filter, and blood refluxes in the time of preventing the transfusion end simultaneously.
This utility model has been set up the gas deflation assembly with energy degassing function and has been had the secondary filter medicinal liquid on the basis of traditional disposable infusion set, can prevent the safe bubble-free assembly that blood refluxes when finishing of infusing simultaneously.This utility model is the same with the transfusion set operating procedure in use, does not change operator's use habit, also can reduce the loaded down with trivial details step that manually squeezes dropping funnel aerofluxus bubble.When this utility model uses, whether the steam vent of confirming gas deflation assembly earlier is opened, bottle plug puncture unit is inserted in the infusion vessel bottle stopper, do not need to squeeze dropping funnel with hands, need not hang upside down dropping funnel, medicinal liquid enters in the dropping funnel automatically, air in the dropping funnel is all discharged by gas deflation assembly, and the medicinal liquid liquid level constantly rises, and medicinal liquid enters in the transfusion long duct again, flow out from venoclysis needle needle tubing endoporus, close flow regulator, the vein that punctures is according to a conventional method opened flow regulator, regulate and drip speed, get final product normal infusion.Among this process, also bubble-free sneaking in the whole communication path, bubble can not resemble and directly enter the general infusion set in the transfusion long duct, thereby prevents that effectively bubble from producing.This utility model can solve existing transfusion device infusion process because of aerofluxus bubble work loaded down with trivial details, lose time, remove the patient and in infusion process, enter the worry that human body causes adverse consequencess such as aeroembolism because of gas; Can prevent simultaneously that transfusion from finishing back blood backflow and entering in the transfusion device pipeline, cause lacking safety guarantee, healthcare givers or patient and family members' mental burden and heavily wait problem; To the medicinal liquid secondary filter, can prevent that fine particles and impurity from producing problems such as thrombosis to human body.
The utlity model has following advantage: 1, need not squeeze dropping funnel in the transfusion operation process can introduce medicinal liquid in the dropping funnel, simplifies the bleeding step, alleviates medical personnel's working strength; 2, need not hang upside down dropping funnel and can get rid of bubble automatically, can prevent that bubble from producing and prevent that bubble from entering in the infusion pipeline, and the liquid level in the dropping funnel can be controlled at a level altitude automatically, prevent that liquid level is too high-leveled and difficult to observe medicine liquid droplet speed in the dropping funnel; 3, common liquid medicine filtering membrane can be earlier with the medicinal liquid impurity filtering of diameter greater than 15 μ m, and the precision liquid medicine filter membrane avoids drug particle and impurity human body to be produced harm such as thrombosis once more with the medicinal liquid impurity filtering of diameter greater than 5 μ m; 4, can the complete infusion of the medicinal liquid in the dropping funnel is thorough, after finishing, the medicinal liquid infusion can prevent that blood from refluxing, stop to cause blood to go back up in a whole set of transfusion organ pipe, or liquid level descended low and causes gas to enter human body causing adverse consequencess such as aeroembolism because of in time not pulling out infusion needle.5, simple, safe and reliable, the easy processing of product structure, the step that simplifies the operation does not change operator's use habit, can be widely used in clinical.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the generalized section of gas deflation assembly and safe bubble-free assembly.
The specific embodiment
Below in conjunction with embodiment and contrast accompanying drawing this utility model is described in further detail.
A kind of safe bubble-free infusion set, it comprises bottle plug puncture unit protective sleeve 1, bottle plug puncture unit 2, transfusion tubulature 3, aerofluxus tubulature 4, air filter 5, dropping funnel lid 6, liquid injecting piece 7, dropper 8, gas deflation assembly, dropping funnel 11, safe bubble-free assembly, flow regulator 15, transfusion long duct 16, outer cone joint 17, disposable use venoclysis needle 18, on dropping funnel lid 6 gas deflation assembly is installed, gas deflation assembly is made up of an exhaust needle 10, an air filter 9; Exhaust needle 10 passes dropping funnel lid 6 and is close to dropping funnel 11 inwalls and inserts into the inner; Air filter 9 is installed in that dropping funnel covers 6 upper ends and exhaust needle 10 links, and in the air filter 9 the air filter membrane is arranged;
In dropping funnel 11 bottoms the safe bubble-free assembly is installed, the safe bubble-free assembly is made up of common liquid medicine filtering membrane 12, precision liquid medicine filter membrane 13 and medical filtration seat 14, common liquid medicine filtering membrane 12, precision liquid medicine filter membrane 13 are fixed in the medical filtration seat 14, wherein, common liquid medicine filtering membrane 12 is positioned at precision liquid medicine filter membrane 13 upper stratas.
Claims (2)
1. safe bubble-free infusion set, it comprises bottle plug puncture unit protective sleeve (1), bottle plug puncture unit (2), transfusion tubulature (3), aerofluxus tubulature (4), air filter (5), dropping funnel lid (6), liquid injecting piece (7), dropper (8), gas deflation assembly, dropping funnel (11), the safe bubble-free assembly, flow regulator (15), transfusion long duct (16), outer cone joint (17), disposable use venoclysis needle (18), it is characterized in that: on dropping funnel lid (6) gas deflation assembly is installed, gas deflation assembly is by an exhaust needle (10), one air filter (9) is formed; Exhaust needle (10) passes dropping funnel lid (6) and is close to dropping funnel (11) inwall and inserts into the inner; Air filter (9) is installed in dropping funnel lid (6) upper end and links with exhaust needle (10), and air filter has the air filter membrane in (9);
In dropping funnel (11) bottom the safe bubble-free assembly is installed, the safe bubble-free assembly is made up of common liquid medicine filtering membrane (12), precision liquid medicine filter membrane (13) and medical filtration seat (14), common liquid medicine filtering membrane (12), precision liquid medicine filter membrane (13) are fixed in the medical filtration seat (14), wherein, common liquid medicine filtering membrane (12) is positioned at precision liquid medicine filter membrane (13) upper strata.
2. safe bubble-free infusion set according to claim 1, it is characterized in that: exhaust needle (10) external diameter is 0.6mm～2.0mm, exhaust needle (10) end that stretches in the dropping funnel (11) is 10mm～25mm with the terminal vertical dimension of dropper (8), exhaust needle (10) is provided with the endoporus of a perforation, common liquid medicine filtering membrane (12) and precision liquid medicine filter membrane (13) diameter 〉=12mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201286499U CN201618225U (en) | 2010-03-01 | 2010-03-01 | Safe bubble-free transfusion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201286499U CN201618225U (en) | 2010-03-01 | 2010-03-01 | Safe bubble-free transfusion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201618225U true CN201618225U (en) | 2010-11-03 |
Family
ID=43021679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201286499U Expired - Fee Related CN201618225U (en) | 2010-03-01 | 2010-03-01 | Safe bubble-free transfusion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201618225U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102319469A (en) * | 2011-09-09 | 2012-01-18 | 浙江康泰医疗器械有限公司 | Self-exhaust transfusion device |
| CN102350014A (en) * | 2011-09-09 | 2012-02-15 | 浙江康泰医疗器械有限公司 | Infusion set |
| CN103041468A (en) * | 2012-12-14 | 2013-04-17 | 杭州科诺过滤器材有限公司 | Infusion apparatus drip chamber and infusion apparatus capable of preventing blood return |
| CN103495224A (en) * | 2013-09-26 | 2014-01-08 | 淮安市恒春医疗器材有限公司 | Liquid-stopping tank-type automatic exhaust liquid-stopping infusion apparatus |
| CN104248787A (en) * | 2013-06-07 | 2014-12-31 | 江西丽华鑫朗药业科技有限公司 | Double-layered precision automatic infusion-stopping infusion set |
-
2010
- 2010-03-01 CN CN2010201286499U patent/CN201618225U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102319469A (en) * | 2011-09-09 | 2012-01-18 | 浙江康泰医疗器械有限公司 | Self-exhaust transfusion device |
| CN102350014A (en) * | 2011-09-09 | 2012-02-15 | 浙江康泰医疗器械有限公司 | Infusion set |
| CN103041468A (en) * | 2012-12-14 | 2013-04-17 | 杭州科诺过滤器材有限公司 | Infusion apparatus drip chamber and infusion apparatus capable of preventing blood return |
| CN104248787A (en) * | 2013-06-07 | 2014-12-31 | 江西丽华鑫朗药业科技有限公司 | Double-layered precision automatic infusion-stopping infusion set |
| CN103495224A (en) * | 2013-09-26 | 2014-01-08 | 淮安市恒春医疗器材有限公司 | Liquid-stopping tank-type automatic exhaust liquid-stopping infusion apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101103 Termination date: 20190301 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |