CN201596192U - Disposable accurate filter transfusion system used for children - Google Patents
Disposable accurate filter transfusion system used for children Download PDFInfo
- Publication number
- CN201596192U CN201596192U CN2009202683731U CN200920268373U CN201596192U CN 201596192 U CN201596192 U CN 201596192U CN 2009202683731 U CN2009202683731 U CN 2009202683731U CN 200920268373 U CN200920268373 U CN 200920268373U CN 201596192 U CN201596192 U CN 201596192U
- Authority
- CN
- China
- Prior art keywords
- filter
- air
- housing
- children
- liquid medicine
- 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.)
- Expired - Lifetime
Links
Images
Abstract
The utility model provides a disposable accurate filter transfusion system used for children. The utility model is characterized in that the filter transfusion system comprises a bottle stopper puncture outfit, a drip chamber, an injection part, a liquid medicine filter, a flow regulator, a cone joint and a vein needle that are sequentially connected with one another by pipelines, wherein the lower part of the bottle stopper puncture outfit is connected with an air filter; the filtration aperture of the liquid medicine filter is 0.2-2mum; and the filtration aperture of the air filter is 0.2mum. The disposable accurate filter transfusion system has the advantages of no toxicity and harm and good filtration effect of liquid medicine and is suitable for infants and children.
Description
Technical field
This utility model provides a kind of disposable use precision filter infusion set for children, and particularly suitable infant, child's clinical transfusion usefulness belong to the transfusion device technical field.
Background technology
Traditional infusion device: generally be divided into " non-air admission type transfusion device (having separate type air inlet device) " and " air admission type transfusion device " two kinds, as shown in Figure 1, be traditional non-air admission type transfusion device sketch map, described non-air admission type transfusion device is made up of the bottle plug puncture unit 11, dropping funnel 13, flow regulator 15, liquid medicine filter 16 and the intravenous needle 17 that connect by pipeline 14 successively, and described dropping funnel 13 is provided with injection member 12.As shown in Figure 2, be traditional air admission type transfusion device sketch map, described air admission type transfusion device is made up of the bottle plug puncture unit 21 and the air filter 23 that connect by pipeline 22.
Be that above-mentioned any transfusion device all has with shortcoming:
1. the transfusion device material generally uses polrvinyl chloride (PVC) material, and bonding with Ketohexamethylene, the PVC material has potential carcinogenecity, and Ketohexamethylene also has certain toxicity and carcinogenecity.
2. poor filtration effect: adult's blood capillary is generally 6～8 μ m, child particularly infant blood capillary generally reaches 2～3 thinner μ m, general transfusion device is regardless of the adult in infusion process, the child uses, the aperture of liquid medicine filter is generally greater than 15 μ m, (greater than 2 μ m) do not have filter effect to small particle in the medicinal liquid, bigger microgranule can directly cause the local circulation obstacle to cause that the blood vessel embolism severe patient causes local the obstruction and the oxygen supply deficiency, and histanoxia produces edema and inflammation; Less than can directly the causing thrombosis or cause erythrocyte aggregation that volume is increased of this footpath because foreign body is invaded tissue with blood flow, cause granuloma, and because how quantity can cause blood vessel embolism equally; Microgranule in the transfusion also can cause phlebitis, allergy, thrombocytopenia, bacteremia, anaphylaxis or the like simultaneously, and its harm to human body is that hide, secular.
3. liquid medicine filter does not have vent design.Air filter is when clinical transfusion, and medicinal liquid easily flows out from air filter, causes the air filter air inlet not smooth, and not even air inlet can't be carried out clinical transfusion, need change the air inlet part again.
Summary of the invention
The purpose of this utility model provide a kind of nontoxic, medical filtration is effective, be suitable for the disposable use precision filter infusion set for children that infant and child use.
In order to achieve the above object, the technical solution of the utility model provides a kind of disposable use precision filter infusion set for children, it is characterized in that, comprise the bottle plug puncture unit, dropping funnel, injection member, liquid medicine filter, flow regulator, cone joint and the intravenous needle that connect by pipeline successively, the bottom of bottle plug puncture unit connects air filter, the pore size filter of described liquid medicine filter is 0.2～2 μ m, and the pore size filter of described air filter is 0.2 μ m.
The housing of the housing of described bottle plug puncture unit, air filter, injection member, liquid medicine filter, flow regulator and cone joint are all made by acrylonitrile-butadiene-styrene copolymer (ABS), and dropping funnel and pipeline are all made by polyolefins thermoplastic elastomer (TPO).
Described air filter comprises the housing of giving vent to anger, the housing of giving vent to anger connects air intake casing, the housing of giving vent to anger is provided with the gas outlet, air intake casing is provided with air inlet, the give vent to anger junction and the inboard, gas outlet of housing and air intake casing all is provided with the first air filtration film, be provided with the activated carbon adsorption material between two the first air filtration films, be provided with check valve in the gas outlet.
The material of the described first air filtration film is a politef, and its pore size filter is 0.2 μ m.
Described check valve is the silicone rubber tube that front end is provided with opening.
Described liquid medicine filter comprises the fluid housing, the fluid housing connects the feed liquor housing, the fluid housing is provided with liquid outlet, the feed liquor housing is provided with inlet, the feed liquor housing be respectively equipped with first from steam vent and second from steam vent, the junction of fluid housing and feed liquor housing is provided with liquid medicine filtering membrane, and first is provided with the second air filtration film from the steam vent inboard, and second is provided with the 3rd air filtration film from the inboard of steam vent.
The material of described liquid medicine filtering membrane is a polyether sulfone, and its pore size filter is 0.2～2 μ m.
The material of described second air filtration film and the 3rd air filtration film is a politef, and its pore size filter is all 0.2 μ m.
Principle of the present utility model is:
Transfusion device is from the degassing function principle: degassing function is to rely on the steam vent on the liquid medicine filter to realize, from the purpose of vent design: the one, prevent that the air that produces in the infusion process from entering vena systemica with medicinal liquid; The 2nd, prevent from the inner chamber of liquid medicine filter medicinal liquid not to be had by liquid medicine filter because of producing too much air accumulation in the infusion process, cause transfusion to carry out.
By selecting the aperture for use is 0.2 μ m～2 μ m hydrophilic liquid medicine filtering membranes, reaches to prevent that air from entering human body with medicinal liquid.When medicinal liquid enters the liquid medicine filter inner chamber by liquid feeding end, liquid medicine filtering membrane is soaked into by medicinal liquid rapidly, liquid forms tension force on the liquid medicine filtering membrane surface, it is the pressure that the medical filtration film tension of 0.2 μ m needs 320KPa at least that air will overcome the aperture, the medical filtration film tension that overcomes the aperture and be 2 μ m needs the pressure of 40KPa at least, and clinical transfusion is 1m pressure reduction (being 10KPa), thus air do not have by liquid medicine filtering membrane, so just can't enter human body.
, prevent from the inner chamber of liquid medicine filter medicinal liquid not to be had by liquid medicine filter from steam vent by design on the liquid feeding end housing, cause transfusion to carry out because of producing too much air accumulation in the infusion process.As shown in Figure 4, on steam vent, be covered with the hydrophobic air filter membrane, blocking water of air filtration film pressed greater than 80KPa, be that liquid at least could be by the air filtration film under the pressure effect of 80KPa, clinical transfusion is 1m pressure reduction (being 10KPa), so medicinal liquid does not have by the air filtration film, the air that produces on infusion process then can be by the air filtration film by discharging from steam vent, so air can not assembled at the liquid medicine filter inner chamber.
Transfusion device air filtering function principle: air filter is placed two air filtration films, the centre is placed with the activated carbon adsorption material, after air enters air filter by air inlet, air is respectively after ground floor air filtration film, activated carbon adsorption material, second layer air filtration membrane filtration, absorption, Jie Jing air flows out air filter by the gas outlet relatively, enters infusion vessel through bottle plug puncture unit.
Air filter check valve principle: check valve is formed by injection molding by silastic material, it is cut off (as Fig. 6-2) in its top 1/3rd length, then check valve is packed in the air filter, air is entered by the air inlet of air filter when the transfusion beginning, and this moment, the top of check valve can be opened under the effect of air-flow; When medicinal liquid is back to air filter, at first can touch unidirectional top, check valve top this moment meeting closure tightly under the effect of fluid pressure; When medicinal liquid when getting back to infusion vessel, the top of check valve can be opened under the effect of air-flow, so medicinal liquid does not reach the filter membrane in the air filter, thereby can keep air filter to continue ventilation.
The utility model has the advantages that:
1, adopts the medical macromolecular materials of non-PVC, human body is had no side effect;
2, the liquid medicine filter pore size filter is little, is 0.2 μ m～2 μ m; Good filtration effect, liquid medicine filtering membrane to the rejection rate of the above particulate matter of 2 μ m in the medicinal liquid greater than 90%; The air filtration film to the rejection rate of the above microgranule of 0.3 μ m in the air greater than 90%;
3, liquid medicine filter has from vent design, can discharge the air that in infusion process, produces, the one, prevent that the air that produces in the infusion process from entering body (behind the direct intravasation of air with medicinal liquid, bring great potential safety hazard can for patient's life and health, it is at first to enter right atrium by vein behind the air admission blood vessel that severe patient can cause air embolism, enters right ventricle again, blocks the pulmonary artery inlet then, cause pulmonary's severe depletion of oxygen, it is dead immediately to cause the patient); The 2nd, prevent from the inner chamber of liquid medicine filter medicinal liquid not to be had by liquid medicine filter because of producing too much air accumulation in the infusion process, cause transfusion to carry out.
4, be provided with check valve in the air filter, can prevent that medicinal liquid is back in the air filter or the outflow air filter, can guarantee the lasting ventilation of air filter; The centre is placed with virus and the antibacterial that the activated carbon adsorption material is used for absorbed air.
Description of drawings
Fig. 1 is traditional non-air admission type transfusion device sketch map;
Fig. 2 is traditional air admission type transfusion device sketch map;
Fig. 3 is disposable use precision filter infusion set for children sketch map;
Fig. 4 is the liquid medicine filter sketch map;
Fig. 5 is the air filter sketch map;
Fig. 6 is the check valve sketch map.
The specific embodiment
Specify this utility model below in conjunction with embodiment.
Embodiment 1
As shown in Figure 3, be disposable use precision filter infusion set for children sketch map, described disposable use non-PVC precision filter infusion set for children comprises bottle plug puncture unit 1, dropping funnel 4, injection member 6, liquid medicine filter 7, flow regulator 8, cone joint 9 and the intravenous needle 10 that connects by pipeline 5 successively, the bottom of bottle plug puncture unit 1 connects air filter 3, and the pore size filter of described air filter 3 and liquid medicine filter 7 is all 1 μ m.The housing of the housing of described bottle plug puncture unit 1, air filter 3, injection member 6, liquid medicine filter 7, flow regulator 8 and cone joint 9 are all made by ABS (757K), and dropping funnel 4 and pipeline 5 are all made by TPO (EPDM+PP).
As shown in Figure 5, be the air filter sketch map, described air filter 3 comprises the housing 31 of giving vent to anger, the housing 31 of giving vent to anger connects air intake casing 33, the housing 31 of giving vent to anger is provided with gas outlet 35, and air intake casing 33 is provided with air inlet, and the junction and 35 inboards, gas outlet of give vent to anger housing 31 and air intake casing 33 all are provided with the first air filtration film 34, be provided with activated carbon adsorption material 32 between two the first air filtration films 34, be provided with check valve 35 in the gas outlet 35.The material of the described first air filtration film 34 is a polytetrafluoroethylene (PTFE), and its pore size filter is 0.2 μ m.。As shown in Figure 6, be the check valve sketch map, described check valve 35 is provided with the silicone rubber tube (the big chemical industry company limited rubber plant in east, Shandong produces) of opening 61 for front end.
As shown in Figure 4, be the liquid medicine filter sketch map, described liquid medicine filter 7 comprises fluid housing 72, fluid housing 72 connects feed liquor housing 75, fluid housing 72 is provided with liquid outlet, feed liquor housing 75 is provided with inlet, feed liquor housing 75 be respectively equipped with first from steam vent 74 and second from steam vent 77, fluid housing 72 is provided with liquid medicine filtering membrane 71 with the junction of feed liquor housing 75, first is provided with the second air filtration film 73, the second from steam vent 74 inboards is provided with the 3rd air filtration film 76 from the inboard of steam vent 77.The material of described liquid medicine filtering membrane 71 is a polyether sulfone, and its pore size filter is 1 μ m.The material of described second air filtration film 73 and the 3rd air filtration film 76 is a politef, and its pore size filter is all 0.2 μ m.
This utility model product is disposable use aseptic medical equipment, is opened after the aseptic packaging and is manipulated by the clinical transfusion rule of operation by the professional health care personnel.
Embodiment 2
Be similar to embodiment 1, difference is that the pore size filter of liquid medicine filtering membrane 71 is 0.2 μ m.
Be similar to embodiment 1, difference is that the pore size filter of liquid medicine filtering membrane 71 is all 2 μ m.
Claims (8)
1. disposable use precision filter infusion set for children, it is characterized in that, comprise the bottle plug puncture unit (1), dropping funnel (4), injection member (6), liquid medicine filter (7), flow regulator (8), cone joint (9) and the intravenous needle (10) that connect by pipeline (5) successively, the bottom of bottle plug puncture unit (1) connects air filter (3), the pore size filter of described liquid medicine filter (7) is 0.2～2 μ m, and the pore size filter of described air filter (3) is 0.2 μ m.
2. disposable use precision filter infusion set for children as claimed in claim 1, it is characterized in that, the housing of the housing of described bottle plug puncture unit (1), air filter (3), injection member (6), liquid medicine filter (7), flow regulator (8) and cone joint (9) are all made by acrylonitrile-butadiene-styrene copolymer, and dropping funnel (4) and pipeline (5) are all made by polyolefins thermoplastic elastomer.
3. disposable use precision filter infusion set for children as claimed in claim 1, it is characterized in that, described air filter (3) comprises the housing of giving vent to anger (31), the housing (31) of giving vent to anger connects air intake casing (33), the housing (31) of giving vent to anger is provided with gas outlet (35), air intake casing (33) is provided with air inlet, the give vent to anger junction and the inboard, gas outlet (35) of housing (31) and air intake casing (33) all is provided with the first air filtration film (34), be provided with activated carbon adsorption material (32) between two the first air filtration films (34), be provided with check valve (35) in gas outlet (35).
4. disposable use precision filter infusion set for children as claimed in claim 3 is characterized in that the material of the described first air filtration film (34) is a politef, and its pore size filter is 0.2 μ m.
5. disposable use precision filter infusion set for children as claimed in claim 3 is characterized in that described check valve (35) is provided with the silicone rubber tube of opening (61) for front end.
6. disposable use precision filter infusion set for children as claimed in claim 1, it is characterized in that, described liquid medicine filter (7) comprises fluid housing (72), fluid housing (72) connects feed liquor housing (75), fluid housing (72) is provided with liquid outlet, feed liquor housing (75) is provided with inlet, feed liquor housing (75) be respectively equipped with first from steam vent (74) and second from steam vent (77), fluid housing (72) is provided with liquid medicine filtering membrane (71) with the junction of feed liquor housing (75), first is provided with the second air filtration film (73) from steam vent (74) inboard, and second is provided with the 3rd air filtration film (76) from the inboard of steam vent (77).
7. disposable use precision filter infusion set for children as claimed in claim 6 is characterized in that the material of described liquid medicine filtering membrane (71) is a polyether sulfone, and its pore size filter is 0.2～2 μ m.
8. disposable use precision filter infusion set for children as claimed in claim 6 is characterized in that, the material of described second air filtration film (73) and the 3rd air filtration film (76) is a politef, and its pore size filter is all 0.2 μ m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202683731U CN201596192U (en) | 2009-11-23 | 2009-11-23 | Disposable accurate filter transfusion system used for children |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202683731U CN201596192U (en) | 2009-11-23 | 2009-11-23 | Disposable accurate filter transfusion system used for children |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201596192U true CN201596192U (en) | 2010-10-06 |
Family
ID=42807235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202683731U Expired - Lifetime CN201596192U (en) | 2009-11-23 | 2009-11-23 | Disposable accurate filter transfusion system used for children |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201596192U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102648990A (en) * | 2011-02-23 | 2012-08-29 | 河南曙光健士医疗器械集团有限公司 | Disposable light-resistant infusion apparatus |
-
2009
- 2009-11-23 CN CN2009202683731U patent/CN201596192U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102648990A (en) * | 2011-02-23 | 2012-08-29 | 河南曙光健士医疗器械集团有限公司 | Disposable light-resistant infusion apparatus |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101711904B (en) | Disposable precision filter infusion set for children | |
| JPH08500509A (en) | Method and apparatus for removing unintended fluids from treated blood products | |
| US5302299A (en) | Biological semi-fluid processing assembly | |
| CN201692443U (en) | Automatic vent safe infusion device | |
| CN106938082A (en) | A kind of transfusion connector and infusion pipeline and transfusion device provided with the transfusion connector | |
| EP3250256A1 (en) | Air stop membrane for maintaining a fluid column in an iv set | |
| US11826557B2 (en) | Anti-run dry membrane | |
| CN201441708U (en) | Lucifugal infusion set | |
| CN216908794U (en) | Ball for intravenous injection device and intravenous injection device comprising same | |
| CN102580189A (en) | Disposable self-stopping infusion apparatus | |
| CN201596192U (en) | Disposable accurate filter transfusion system used for children | |
| CN204972504U (en) | Automatic liquid -stopping infusion apparatus | |
| CN201959341U (en) | Precise liquid medicine filter | |
| CN106860949B (en) | Automatic liquid-stopping infusion apparatus | |
| CN106267446B (en) | Safe medicine injecting pump adapted liquid bag | |
| CN102389599A (en) | Disposable precise transfusion device for children | |
| CN202409656U (en) | Disposable precise transfusion device for children | |
| CN204766797U (en) | Self -bleeding of nontoxic environmental protection ends accurate transfusion system of liquid | |
| CN203577032U (en) | Automatic liquid stopping precise filter bag type infusion set | |
| CN208989817U (en) | A kind of disposable blood transfusion apparatus | |
| CN201791193U (en) | Floating ball type automatic flow-stop burette infusion apparatus | |
| CN209679177U (en) | A kind of infusion bag with filter device | |
| CN104587569B (en) | A kind of Novel bubble-prevention infusion device | |
| CN209378167U (en) | A kind of novel only liquid infusion apparatus | |
| CN104857588B (en) | Safety bag type infusion apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20101006 Effective date of abandoning: 20091123 |