CN201410158Y - Disposable multi-layer and multi-way precise filtering infusion set - Google Patents
Disposable multi-layer and multi-way precise filtering infusion set Download PDFInfo
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- CN201410158Y CN201410158Y CN2009200067557U CN200920006755U CN201410158Y CN 201410158 Y CN201410158 Y CN 201410158Y CN 2009200067557 U CN2009200067557 U CN 2009200067557U CN 200920006755 U CN200920006755 U CN 200920006755U CN 201410158 Y CN201410158 Y CN 201410158Y
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Abstract
The utility model provides a disposable multi-layer and multi-way precise filtering infusion set, which belongs to the field of medical appliances, and comprises a puncture needle, an air inlet devicewith an air filter, a cork puncture device, infusion pipelines, a drip nozzle, a drip funnel, a flow regulator, an injection liquid dosing device, a plurality of multi-layer precise liquid medicine filters, a plurality of water stopping clips and an infusion needle which are sequentially connected, wherein two multi-pass pipelines with a plurality of branch tubes are additionally arranged, and each branch tube of the multi-way is communicated with the multi-layer precise liquid medicine filter and the water stopping clip through the pipelines; and two or a plurality of completely separated filter membranes with different aperture sizes are added in the liquid medicine filters. Through the arrangement of the multi-pass pipeline and improved liquid medicine filters, not only the filtrationarea of liquid medicine is improved, but also the filtration effect of the liquid medicine is improved, and thereby the difficult problem that the precise filtering infusion set affects the flow of the liquid medicine when being used is effectively solved.
Description
Technical field
This utility model relates to the medical apparatus and instruments category, particularly a kind of disposable use multilamellar, multi-path precision filter infusion set.
Background technology
Transfusion particle be meant in the venoclysis liquid insoluble, naked eyes are invisible, non-metabolic granule foreign.Mainly contain rubber particle, glass chip, plastic particles, drug crystallization, cotton fiber etc.The thinnest place of normal adult blood capillary diameter is 6～8 μ m, and the child particularly blood vessel of infant is 3 μ m than being grown up thinner, and therefore, the particulate matter in the medicinal liquid is more direct, more remarkable to the harm that they cause.Particle matter enters the blood of human body circulation may cause multiple harm, forms and the reaction of tumor sample as phlebitis, lung granuloma, pulmonary edema, anaphylaxis, local organization thromboembolism and necrosis, tumor, and wherein the reaction of thermal source sample is seen at most.General infusion set does not have the function of harmful microgranule in the transfusion of filtering; And the effective filtering transfusion particle of precision filter infusion set prevents the injury of microgranule to human body, and can reduce the stimulation to blood vessel of Chinese medicine preparation and chemotherapeutics, improves the purity of infusion liquid, reduces the generation of complication.At present, all there be the effectiveness and the contradiction that infusion flow is influenced of microgranule filtering in the precision filter infusion set of domestic use, and filtering microgranule effect is good more, and is obvious more to the infusion flow influence, particularly the filtering diameter is crossed filter infusion apparatus greater than the high-efficiency and precision of 3 μ m, and this contradiction is more outstanding.Influence is to infusion flow to use high-efficiency and precision to cross filter infusion apparatus clinically, the beginning flow rate of liquid is normal, after a period of time along with the increase of deposited particles amount on the filter membrane, infusion flow rate then slows down gradually, even do not drip, need to change transfusion device liquid is dripped off, bring great inconvenience for thus medical personnel and patient.Someone is adopting two liquid medicine filters or is adopting the method that adds the filter membrane that two-stage or multi-stag separate in a liquid medicine filter to overcome the above problems on the precision filter infusion set, but effect is unsatisfactory.
Summary of the invention
In order to overcome the deficiency that present precision filter infusion set uses clinically, both improved the medical filtration area, improved the medical filtration effect again, effectively solve the difficult problem that precision filter infusion set influences medicinal liquid flow in use, this utility model provides a kind of disposable use multilamellar, multi-path precision filter infusion set.
The technical scheme that this utility model technical solution problem is adopted is:
A kind of disposable use multilamellar, multi-path precision filter infusion set, the air intake installation, bottle plug puncture unit, infusion pipeline, drip nozzle, dropping funnel, flow regulator, injecting fluid chemicals dosing plant, precision liquid medicine filter, tongs and the transfusion needle that comprise puncture needle, have an air filter are linked in sequence and form, wherein, described precision liquid medicine filter and tongs are a plurality of, other establishes two and has the how logical of a plurality of arms, and many each logical arms are by multilamellar precision liquid medicine filter of pipeline connection and a tongs.
More than in the disposable use multilamellar, multi-path precision filter infusion set, described precision liquid medicine filter and tongs are three, described many logical three arms that have.
Or described precision liquid medicine filter and tongs are two, described many logical two arms that have.
More than in the disposable use multilamellar, multi-path precision filter infusion set, how logical how logical with fluid the logical feed liquor that is respectively is more than two, all have a person in charge and a plurality of arm, how the logical person in charge is communicated with the infusion pipeline of flow regulator feed liquor, and how the logical person in charge is communicated with transfusion needle fluid.
More than in the disposable use multilamellar, multi-path precision filter infusion set, described precision liquid medicine filter inside is provided with the filter membrane in the different apertures of multilamellar, near the filter membrane aperture maximum of inlet, coupled filter membrane aperture reduces successively, near the filter membrane aperture maximum of liquid outlet.The aperture of the minimum one deck filter membrane in aperture is 1～5 μ m.
Perhaps, described precision liquid medicine filter inside is provided with the filter membrane in two-layer different apertures, near inlet be the large aperture filter membrane, close liquid outlet is the small-bore filter membrane.The aperture of described small-bore filter membrane is 1～5 μ m.
Adopt above design, this utility model changes precision filter infusion set into the multi-path precision filter infusion set, and is how logical and be installed in a plurality of liquid medicine filters and tongses on many logical arms by being provided with, and controls the branch line infusion pipeline respectively.The increase of infusion pipeline, thoroughly having solved because of stopping up filter membrane influences the problem of infusion flow rate.On the other hand, this utility model has improved the accurate filter internal structure, adopts the filter membrane in distinct two-layer or how different apertures, not only strengthens and has improved the effect of secondary filter, and increased the filter membrane relative area, reduced of the influence of each bar branch line infusion pipeline to infusion flow rate.The beneficial effects of the utility model are, in the particulate matter effect in improving precision filter infusion set filtering medicinal liquid, do not influence its infusion flow rate, and the transfusion that is specially adapted to Chinese medicine preparation and chemotherapeutics is used.This product design is scientific and reasonable, and is simple in structure, reliable for effect, cost economy.
Description of drawings
Fig. 1 is the floor map of this utility model precision filter infusion set structure and ultimate principle;
Fig. 2 is the typical multi-path principle of a this utility model floor map;
Fig. 3 is the typical multilamellar filter membrane of a this utility model accurate filter principle floor map;
Fig. 4 is the typical many logical structural plans of this utility model enlarged diagrams.
The specific embodiment
Below in conjunction with drawings and embodiments this utility model is further specified.
Fig. 1 has shown this utility model precision filter infusion set structure, with existing precision filter infusion set similar, it comprises the puncture needle that is enclosed within the helmet 1, the air intake installation 2 that has air filter, bottle plug puncture unit 3, drip nozzle 5, dropping funnel 6, dropping funnel 6 bottoms are connected in series injecting fluid chemicals dosing plant 7, flow regulator 8, precision liquid medicine filter 11 and transfusion needle 14 successively with infusion pipeline (flexible pipe) 4, establish tongs 12 on the pipeline between precision liquid medicine filter 11 and the transfusion needle 14; The precision filter infusion set that said structure constitutes, medicinal liquid in the medicine bottle flows in patient's body through puncture needle, drip nozzle 5, dropping funnel 6, infusion pipeline 4, precision liquid medicine filter 11 and transfusion needle 14 successively, add medicine by chemicals dosing plant 7, regulate flow regulator 8 fluid floies and flow velocity by flow regulator 8.In this utility model, precision liquid medicine filter 11 and tongs 12 are respectively established a plurality of (embodiment is an example with three), infusion pipeline (flexible pipe) 4 connects a feed liquor and leads to 9 more, many logical 9 a plurality of fluid arms (embodiment is an example with three) of feed liquor are communicated with precision liquid medicine filter 11 separately by pipeline (flexible pipe) 10 respectively, connect a fluid by pipeline separately again and lead to a plurality of feed liquor arms (embodiment is an example with three) of 13 more, lead to person in charge's connection transfusion needle 14 of 13 by fluid, a plurality of tongses 12 (embodiment is an example with three) are located at respectively on the connecting line of each precision liquid medicine filter 11 and many logical 13 each the feed liquor arms of fluid more.
Fig. 2 is the typical multi-path principle of a this utility model floor map, how logical its amplify and to have shown, many siphunculus road 10 9 by feed liquor, a plurality of precision liquid medicine filter 11 and tongs 12 and the fluid multi-path structure how logical 13 several sections are formed, and Fig. 4 has shown fluid is led to 13 structure for amplifying more.In Fig. 2, feed liquor leads to 9 more is established a feed liquor person in charge 91, it is used to connect the infusion pipeline flexible pipe of injecting fluid flow regulator 8 belows, feed liquor leads to 9 more is established three fluid arms 92,93 and 94, and each fluid arm is connected and fixed a multilamellar precision liquid medicine filter 11 and a tongs 12 by pipeline flexible pipe 10 respectively; How 132,133,134 and fluids persons in charge 131 of three feed liquor arms are established in logical 13 (in conjunction with referring to Fig. 4) to fluid, and each feed pathway connects a pipeline flexible pipe 10 respectively, and fluid is responsible for 131 and is used for being communicated with transfusion needle 14.
Above-mentioned multi-path structure, number of passages can be set according to need, as two, three or more, keeps many logical arm quantity and precision liquid medicine filter, tongs quantity to equate to get final product, and enumerates no longer one by one and gives unnecessary details.
During this multi-path arrangement works, the liquid that derives from injecting fluid flow regulator 8 leads to 9 by feed liquor more to be distributed, when the tongs on a certain liquid outlet channel 12 is opened, this tap line is started working, transfusion enters the precision liquid medicine filter 11 in this pipeline, filter back liquid and come together in the many logical 13 corresponding feed pathway of fluid, be responsible for 131 inflows through these many fluids of logical 13 and connect in the infusion pipeline flexible pipe of transfusion needle 14; When a certain tongs was closed, this tap line quit work, and transfusion can enter other tap line, and the precision liquid medicine filter 11 on another branch line of flowing through equally filters, and how logical 13 inflows connect in the infusion pipeline flexible pipe of transfusion needle 14 through fluid then.Adopt this multi-path structure, because transfusion is to realize secondary filter respectively through separate tap line, even a tap line is stopped up, transfusion still can be passed through from other tap line.
In this utility model, precision liquid medicine filter 11 can adopt existing, also can adopt the improved multilamellar filter membrane of this utility model precision liquid medicine filter 11.
Fig. 3 has shown multilamellar filter membrane precision liquid medicine filter 11 cross-section structures of the present utility model, in Fig. 3, inlet 111 and liquid outlet 114 are respectively with hose connection, be provided with multilamellar filter membrane (or two-layer filter membrane) in the tubular cavity between inlet 111 and the liquid outlet 114 with the feed liquor space with go out liquid space and separate, and, large aperture filter membrane 112 is near inlet 111, and the filter membrane 113 that the aperture reduces successively is near liquid outlet 114, and the aperture of last metafiltration film (the aperture minimum) is 1～5 μ m.During this multilamellar filter membrane precision liquid medicine filter work, transfusion enters the feed liquor space by inlet 111, contact the big microgranule of large aperture filter membrane 112 filtering particle diameters earlier, again successively by the bigger microgranule of middle filter membrane filtering particle diameter, filter membrane 113 filterings of last contact aperture minimum are less than the microgranule of 5 μ m, and filtration back medicinal liquid enters out liquid space and flows out through liquid outlet 114; Through above complete isolating multilamellar membrane filtration, the microgranule of different-grain diameter remains in respectively on each metafiltration film in the transfusion, and filter membrane is difficult for blocked, has realized the obstruction that secondary filter has slowed down filter membrane again.
Comprehensive, this utility model changes precision filter infusion set into the multi-path precision filter infusion set, i.e. in former precision filter infusion set pipeline chemicals dosing plant lower end (former filters locations), it is how logical that a feed liquor is set, change a common infusion pipeline and become two or many branch line infusion pipelines, each bar tap line is all established a liquid medicine filter and a tongs, how logical a fluid is set in the tongs lower end again, and above-mentioned two or many branch line infusion pipelines are accumulated an infusion pipeline.The increase of infusion pipeline, thoroughly having solved because of stopping up filter membrane influences the problem of infusion flow rate.Tongs can stop at any time and open that liquid passes through in this branch line infusion pipeline, the convenient use.On the other hand, accurate filter adopts the filter membrane in distinct two-layer or how different apertures, the large aperture filter membrane is near inlet, the aperture of filter membrane reduces successively, last metafiltration film is near inlet, and its aperture is 1～5 μ m, so not only strengthens and has improved the effect of secondary filter, and increased the filter membrane relative area, reduced of the influence of each bar branch line infusion pipeline to infusion flow rate.
Claims (8)
1, a kind of disposable use multilamellar, multi-path precision filter infusion set, the air intake installation, bottle plug puncture unit, infusion pipeline, drip nozzle, dropping funnel, flow regulator, injecting fluid chemicals dosing plant, precision liquid medicine filter, tongs and the transfusion needle that comprise puncture needle, have an air filter are linked in sequence and form, it is characterized in that, described precision liquid medicine filter and tongs are a plurality of, other establishes two and has the how logical of a plurality of arms, and many each logical arms are by multilamellar precision liquid medicine filter of pipeline connection and a tongs.
2, according to the described disposable use multilamellar of claim 1, multi-path precision filter infusion set, it is characterized in that described precision liquid medicine filter and tongs are three, described many logical three arms that have.
3, according to the described disposable use multilamellar of claim 1, multi-path precision filter infusion set, it is characterized in that described precision liquid medicine filter and tongs are two, described many logical two arms that have.
4, according to the described disposable use multilamellar of claim 1, multi-path precision filter infusion set, it is characterized in that, how logical how logical with fluid the logical feed liquor that is respectively is more than two, all have a person in charge and a plurality of arm, how the logical person in charge is communicated with the infusion pipeline of flow regulator feed liquor, and how the logical person in charge is communicated with transfusion needle fluid.
5, according to the arbitrary described disposable use multilamellar of claim 1 to 4, multi-path precision filter infusion set, it is characterized in that, described precision liquid medicine filter inside is provided with the filter membrane in the different apertures of multilamellar, filter membrane aperture maximum near inlet, coupled filter membrane aperture reduces successively, near the filter membrane aperture maximum of liquid outlet.
According to the described disposable use multilamellar of claim 5, multi-path precision filter infusion set, it is characterized in that 6, the aperture of the minimum one deck filter membrane in aperture is 1～5 μ m.
7, according to the arbitrary described disposable use multilamellar of claim 1 to 4, multi-path precision filter infusion set, it is characterized in that, described precision liquid medicine filter inside is provided with the filter membrane in two-layer different apertures, near inlet be the large aperture filter membrane, close liquid outlet is the small-bore filter membrane.
According to the described disposable use multilamellar of claim 7, multi-path precision filter infusion set, it is characterized in that 8, the aperture of described small-bore filter membrane is 1～5 μ m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200067557U CN201410158Y (en) | 2009-03-16 | 2009-03-16 | Disposable multi-layer and multi-way precise filtering infusion set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200067557U CN201410158Y (en) | 2009-03-16 | 2009-03-16 | Disposable multi-layer and multi-way precise filtering infusion set |
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| Publication Number | Publication Date |
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| CN201410158Y true CN201410158Y (en) | 2010-02-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009200067557U Expired - Fee Related CN201410158Y (en) | 2009-03-16 | 2009-03-16 | Disposable multi-layer and multi-way precise filtering infusion set |
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| CN (1) | CN201410158Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103691027A (en) * | 2014-01-07 | 2014-04-02 | 江苏苏云医疗器材有限公司 | Puncture connector type transfusion device |
| CN103691025A (en) * | 2014-01-07 | 2014-04-02 | 江苏苏云医疗器材有限公司 | Needleless connection type infusion apparatus |
| CN104147692A (en) * | 2014-08-07 | 2014-11-19 | 江苏苏云医疗器材有限公司 | Fungi-proofing cover cap with filtering device |
| CN111135727A (en) * | 2020-01-07 | 2020-05-12 | 常州费曼生物科技有限公司 | Multilayer variable-aperture filter membrane, preparation method thereof, filter and infusion apparatus |
-
2009
- 2009-03-16 CN CN2009200067557U patent/CN201410158Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103691027A (en) * | 2014-01-07 | 2014-04-02 | 江苏苏云医疗器材有限公司 | Puncture connector type transfusion device |
| CN103691025A (en) * | 2014-01-07 | 2014-04-02 | 江苏苏云医疗器材有限公司 | Needleless connection type infusion apparatus |
| CN104147692A (en) * | 2014-08-07 | 2014-11-19 | 江苏苏云医疗器材有限公司 | Fungi-proofing cover cap with filtering device |
| CN111135727A (en) * | 2020-01-07 | 2020-05-12 | 常州费曼生物科技有限公司 | Multilayer variable-aperture filter membrane, preparation method thereof, filter and 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: 20100224 Termination date: 20150316 |
|
| EXPY | Termination of patent right or utility model |