CN103341223B - Disposable automatic control transfusion device - Google Patents
Disposable automatic control transfusion device Download PDFInfo
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- CN103341223B CN103341223B CN201310254917.XA CN201310254917A CN103341223B CN 103341223 B CN103341223 B CN 103341223B CN 201310254917 A CN201310254917 A CN 201310254917A CN 103341223 B CN103341223 B CN 103341223B
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- automatic control
- feed tube
- microdialysis
- exhaustor
- single use
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Abstract
The invention relates to the field of medical instruments, in particular to a disposable automatic control transfusion device. The disposable automatic control transfusion device comprises a bottle plug puncture outfit, a dropper, a catheter and a vein needle. A flow controller is arranged on the catheter. The disposable automatic control transfusion device is characterized in that the disposable automatic control transfusion device further comprises a multifunctional automatic control device, and the bottle plug puncture outfit is communicated with the vein needle sequentially through the dropper, the multifunctional automatic control device and the catheter. The disposable automatic control transfusion device can automatically exhaust air, also can prolong transfusion time, and is safe and reliable.
Description
Technical field
The present invention relates to medical instruments field, particularly relate to a kind of single use automatic control infusion device.
Background technology
Traditional disposable infusion set is when clinical transfusion, medicinal liquid enters dropping funnel, gas in dropping funnel is easily discharged formation gas-liquid mixture downwards and is entered in transfusion catheter by liquid, therefore bubble is produced, meanwhile, because of pipe inner wall surface tension effects, very easily form absorption pipe inner wall minute bubbles, not easily discharge, the bubble produced, as entered in patient body, easily causes the harm such as aeroembolism.Described, medical personnel are before transfusion, must by the emptying as far as possible of bubble in conduit, the mode of the minute bubbles a brief period of time being adsorbed on pipe inner wall constantly need be played conduit outer wall by artificial discharge bubble process, the minute bubbles of absorption are floated up in dropping funnel more than liquid level, but is very easily again adsorbed in pipe inner wall in minute bubbles floating-upward process, cause whole artificial discharge bubble process loaded down with trivial details time-consuming, be unfavorable for promptly infusing and giving emergency treatment to a patient, increase work load to medical personnel simultaneously.
In addition; traditional disposable infusion set is when clinical transfusion; often there will be following situation: 1, at the end of transfusion nearly; owing to being afraid of that air enters in transfusion catheter; often just pull out transfusion vein pin when medicinal liquid is not totally lost; generally remaining a part of medicinal liquid in medicinal liquid bottle, therefore not reach therapeutic effect, even causing dispute because wasting the medicine of patient.2, medicinal liquid stream complete after, sometimes because of nursing forgotten the intravenous needle pulling out patient not in time, cause air to enter human body, blood vessel blood back is caused to bring injury to patient, increase pressure therefore to the spirit of nursing staff, cause the fear of patient simultaneously, cause the dispute protected between trouble.3, when infusing end or changing medicinal liquid bottle (bag), nurse needs strictly hold the liquid level time and carry out medical care in time, and now the working depth of nurse is nervous, sometimes even causes clinical dispute.
Summary of the invention
The object of the invention is to the shortcoming overcoming prior art, provide a kind of single use automatic control infusion device, energy is Exhaust Gas automatically, and can extend transfusion time, safe and reliable.
For solving above technical problem, technical scheme of the present invention is: a kind of single use automatic control infusion device, it comprises bottle plug puncture unit, dropper, conduit, intravenous needle, described conduit is provided with flow controller, its difference is: also comprise multifunctional self-regulating device, and described bottle plug puncture unit is communicated with intravenous needle by described dropper, multifunctional self-regulating device, conduit successively.
By above technical scheme, described multifunctional self-regulating device comprises dropping funnel, be provided with shunting cap in described dropping funnel, be connected to the main pipeline of shunting cap bottom, described main pipeline is through separator disc, the side of main pipeline is exhaustor, the opposite side of main pipeline is feed tube, the top of described exhaustor is higher than the top of feed tube, the end of exhaustor is higher than the end of feed tube, described separator disc is provided with microdialysis hole, the lower end of separator disc is disposed with liquid medicine filtering membrane, gap exhaust apparatus.
By above technical scheme, the aperture of described feed tube and exhaustor is 1.6mm ~ 1.8mm.
By above technical scheme, the aperture of described liquid medicine filtering membrane is 2 μm ~ 15 μm.
By above technical scheme, the end of described feed tube and the distance of liquid medicine filtering membrane are 0.2mm ~ 0.5mm.
By above technical scheme, described microdialysis hole is slightly pressed on liquid medicine filtering membrane, and the aperture in microdialysis hole is 0.50mm ~ 0.7mm, and the number in microdialysis hole is 1 ~ 2.
By above technical scheme, described gap exhaust apparatus is hollow cylinder, and the periphery of hollow cylinder is provided with the duct preventing air bubble from entering, and the aperture in described duct is 0.50mm ~ 0.7mm, and the number in duct is 2 ~ 4.
Contrast prior art, beneficial features of the present invention is as follows:
1), this single use automatic control infusion device, can realize three automatic vents by exhaustor, liquid medicine filtering membrane, gap exhaust apparatus, without " air bubble " in really having accomplished to infuse, and aerofluxus is thorough, totally;
2), this single use automatic control infusion device, avoid the complete rear air bubble of transfusion Chinese medicine liquid stream and enter human body, then microdialysis is passed through, human vas blood back is avoided to occur " thrombosis ", and do not exist and block lower pipeline by force by silica gel piece (pad) and other working of plasticss and cause the blood of human vas to occur backflow phenomenon, therefore avoid blood backflow phenomenon and cause fear and the anxiety of medical personnel and patient, be conducive to the clinical position of medical personnel, alleviate working strength and the pressure of medical personnel, decrease and to protect between trouble therefore and the medical tangle that causes, and reduce nursing Risk, achieve the effect of nursing at heart, improve nursing quality, make medical personnel feeling more relieved to during patient fluid infusion.
Accompanying drawing explanation
Fig. 1 is embodiment of the present invention structure chart;
Fig. 2 is multifunctional self-regulating device cutting schematic enlarged-scale view in the embodiment of the present invention;
Wherein: 1-perforator protective sleeve, 2-bottle plug puncture unit, 3-air filter, 4-injection member, 5-dropper, 6-dropping funnel, 7-shunting cap, 8-exhaustor, 9-microdialysis hole, 10-gap exhaust apparatus, 11-feed tube, 12-liquid medicine filtering membrane, 13-liquid outlet, 14-conduit, 15-flow controller, the tight coupling of 16-spiral lock, 17-6: 100 standard cone seats, 18-intravenous needle, 19-intravenous needle protective sleeve, 20-separator disc.
Detailed description of the invention
By reference to the accompanying drawings the present invention is described in further detail below by detailed description of the invention.
Please refer to Fig. 1 and Fig. 2, embodiment of the present invention single use automatic control infusion device, it comprises bottle plug puncture unit 2, dropper 5, conduit 14, intravenous needle 18, described conduit 14 is provided with flow controller 15, its difference is: also comprise multifunctional self-regulating device, and described bottle plug puncture unit 2 is communicated with intravenous needle 18 by described dropper 5, multifunctional self-regulating device, conduit 14 successively.
Concrete, described multifunctional self-regulating device comprises dropping funnel 6, be provided with shunting cap 7 in described dropping funnel 6, be connected to the main pipeline of shunting cap 7 bottom, described main pipeline is through separator disc 20, the side of main pipeline is exhaustor 8, the opposite side of main pipeline is feed tube 11, the top of described exhaustor 8 is higher than the top of feed tube 11, the end of exhaustor 8 is higher than the end of feed tube 11, described separator disc 20 is provided with microdialysis hole 9, and the lower end of separator disc 20 is disposed with liquid medicine filtering membrane 12, gap exhaust apparatus 10.
Concrete, the aperture of feed tube 11 and exhaustor 8 is 1.6mm ~ 1.8mm.
Concrete, the aperture of described liquid medicine filtering membrane 12 is 2 μm ~ 15 μm.
Concrete, the end of described feed tube 11 and the distance of liquid medicine filtering membrane 12 are 0.2mm ~ 0.5mm.
Preferably, described microdialysis hole 9 is slightly pressed on liquid medicine filtering membrane 12, and the aperture in microdialysis hole 9 is 0.50mm ~ 0.7mm, and the number in microdialysis hole 9 is 1 ~ 2.
Preferably, described gap exhaust apparatus 10 is hollow cylinder, and the periphery of hollow cylinder is provided with the duct preventing air bubble from entering, and the aperture in described duct is 0.50mm ~ 0.7mm, and the number in duct is 2 ~ 4.
In the embodiment of the present invention, two layers are set up in dropping funnel, upper strata is inlet opening and steam vent, microdialysis hole is had bottom upper strata, on this, sheaf space adopts medicinal liquid to be inverted method for exhausting, feed tube is low, exhaustor is high, the distance at interval can be utilized to complete feed liquor and aerofluxus, lower floor is the end of feed tube and the end of exhaustor, inlet opening end is low, steam vent end is high, the aperture vents at interval can be utilized, lower floor has aperture to be that (diaphragm of 2 μm ~ 5 μm is secondary filter diaphragm for the liquid medicine filtering membrane of 2 ~ 15 μm, the diaphragm of 5 μm ~ 15 μm is common filtration membrane) and gap exhaust apparatus, liquid medicine filtering membrane can stop portion of air bubble to enter gap exhaust apparatus below effectively, the present invention in use, do not change medical personnel's transfusion operation and method of work completely.
The using method of the embodiment of the present invention is: when transfusion starts: medicinal liquid enters in dropping funnel, be diverted to around in dropper by the shunting cap in dropping funnel, then accumulate and reduce large quantity of air bubble, when medicinal liquid to be accumulate in dropping funnel three/for the moment, medicinal liquid starts to enter feed tube and flow to lower floor, the air of lower floor is discharged by exhaustor, when medicinal liquid flows through liquid medicine filtering membrane, liquid medicine filtering membrane starts to stop portion of air bubble to enter gap exhaust apparatus, gap exhaust apparatus starts automatic vent, after gap exhaust apparatus completes aerofluxus, medicinal liquid inflow catheter just can have been infused to patient to intravenous needle.Transfusion terminates, when the inlet no liquid of the liquid in infuse large bottle (bag) in dropping funnel: feed tube and exhaustor stop automatically, microdialysis hole starts to be divided by dropping funnel internal upper part remaining medicinal liquid to change over microdialysis transfusion, infiltration is also named in microdialysis transfusion, and only liquid or infiltration are dammed, microdialysis hole to be arranged in dropping funnel bottom upper strata, transfusion time can be extended to about 30 minutes by this hole effectively, if 2 holes can extend to 15 minutes, medical personnel are enough allowed to pull out syringe needle to patient or change dressings during this period of time.
In the embodiment of the present invention, the medicinal liquid shunting that shunting cap in dropping funnel will flow down, then (now microdialysis aperture is in impermeable state to make medicinal liquid upper end in dropping funnel add up to flow into lower floor to the top of feed tube, this hole starts automatically to carry out microdialysis when at the end of infusing, feed tube flows into lower part without medicinal liquid, all automatically completes, as changed bottle transfusion again, feed tube enters medicinal liquid, microdialysis hole stops automatically, becomes normal infusion state), the air of lower floor is discharged by exhaustor.When medicinal liquid is accumulate to the top of exhaustor, this exhaustor enters medicinal liquid and flows into lower floor, exhaustor now also becomes the second inlet, at this moment, feed tube and exhaustor have all become inlet, the air of dropping funnel lower floor is passed through gap aerofluxus ratio juris by two inlets, make medicinal liquid after the accumulation aerofluxus of dropping funnel lower floor and accelerate inflow catheter, therefore, automatically three aerofluxuss are completed, at the end of transfusion, when upper strata feed tube is without medicinal liquid, now upper strata feed tube and exhaustor, automatically flow is stopped because losing the action of gravity of infusion bottle medicinal liquid, in dropping funnel, remaining medicinal liquid is completed by microdialysis, now normal infusion is become microdialysis by microdialysis hole.
In the embodiment of the present invention, main pipeline is divided into feed tube and exhaustor, the distance of feed tube end and liquid medicine filtering membrane is only between 0.2mm ~ 0.5mm, the infiltration mouth in microdialysis hole and liquid medicine filtering membrane form light pressure state, medical filtration membrane resistance can be utilized to delay transfusion time when its objective is microdialysis, 1 hole can slack time 30 minutes, and 2 holes can slack time 15 minutes.Flow in the flow of the end of feed tube and catheter of transfusion system must coincide, and so just can guarantee that transfusion speed and flow do not change.
In the embodiment of the present invention, multifunctional self-regulating device may be used on various types of transfusion device, as: single use precision filter infusion set (multifunctional self-regulating), disposable infusion set (multifunctional self-regulating), micro-dosage transfusion device of single use (multifunctional self-regulating) etc.
The dropping funnel of traditional disposable infusion set (being all the transfusion device of simple function at present) the inside has been carried out multi-functional upgrading by the present invention, make it add on the basis not changing original function and there is several functions, comprise three automatic vents and microdialysis stops liquid, three times automatic vent is: 1 is that to be inverted blind enema, 2 are diaphragm resistance blind enemas, 3 are gap blind enemas to medicinal liquid, the present invention is identical with the using method of traditional infusion device, and simpler and safety.
The embodiment of the present invention is in entirety transfusion, protect transfusion device flow not change, drip speed in dropping funnel and also do not change (just changing over microdialysis at the end of transfusion to dam), after nurse only needs, when infusing to patient, the bottle plug puncture unit of this transfusion device is inserted large bottle (bag), straighten tube for transfusion from top to bottom, wait for a few second, medicinal liquid enters intravenous needle can to patient fluid infusion, do not need nurse ceaselessly by various method to tube for transfusion aerofluxus, because of busy at the end of not needing to worry patient's transfusion yet, the very first time is not had to pull out the syringe needle of patient, there is blood back and the fear caused, therefore relieve in transfusion due to hidden danger that the transfusion device of at present tradition and simple function brings, and stopped " air tap ", the generation of " thrombosis ", thus alleviate labor intensity and the stress of nursing staff, prevent " air tap ", " thrombosis " in transfusion to the injury that patient brings, it also avoid the medical tangle caused therefrom simultaneously.
The present invention is owing to reaching three automatic vents and microdialysis stops liquid, just thoroughly stop " air tap ", the generation of " thrombosis ", ensure infusion safety, to prevent in infusion process and at the end of transfusion in transfusion device air to the injury of human body, it also avoid transfusion simultaneously and terminating rear human body blood back and the doctor-patient dispute (occur the fear of blood back because clinical staff is busy, it also avoid former only liquid type transfusion device simultaneously and cause the malpractice of " thrombosis ") that causes.Infuse when changing medicine bottle (bag), by traditional transfusion normal operating code, method of work of the present invention is very simple again, puncture needle is plugged at infusion bottle (bag), nurse wait for that a few second just can be relieved to patient fluid infusion, therefore, the device ensures infusion safety.
Above content is in conjunction with concrete embodiment further description made for the present invention, can not assert that specific embodiment of the invention is confined to these explanations.For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, some simple deduction or replace can also be made, all should be considered as belonging to protection scope of the present invention.
Claims (6)
1. a single use automatic control infusion device, it comprises bottle plug puncture unit, dropper, conduit, intravenous needle, described conduit is provided with flow controller, it is characterized in that: also comprise multifunctional self-regulating device, described bottle plug puncture unit is communicated with intravenous needle by described dropper, multifunctional self-regulating device, conduit successively, described multifunctional self-regulating device comprises dropping funnel, shunting cap is provided with in described dropping funnel, be connected to the main pipeline of shunting cap bottom, described main pipeline is through separator disc, the side of main pipeline is exhaustor, the opposite side of main pipeline is feed tube, the top of described exhaustor is higher than the top of feed tube, the end of exhaustor is higher than the end of feed tube, described separator disc is provided with microdialysis hole, the lower end of separator disc is disposed with liquid medicine filtering membrane, gap exhaust apparatus, described microdialysis hole is slightly pressed on liquid medicine filtering membrane, described gap exhaust apparatus is hollow cylinder, the periphery of hollow cylinder is provided with the duct preventing air bubble from entering.
2. single use automatic control infusion device as claimed in claim 1, is characterized in that: the aperture of described feed tube and exhaustor is 1.6mm ~ 1.8mm.
3. single use automatic control infusion device as claimed in claim 1, is characterized in that: the aperture of described liquid medicine filtering membrane is 2 μm ~ 15 μm.
4. the single use automatic control infusion device as described in claim 1, is characterized in that: the end of described feed tube and the distance of liquid medicine filtering membrane are 0.2mm ~ 0.5mm.
5. single use automatic control infusion device as claimed in claim 1, it is characterized in that: the aperture in microdialysis hole is 0.50mm ~ 0.7mm, the number in microdialysis hole is 1 ~ 2.
6. the single use automatic control infusion device as described in claim 1, is characterized in that: the aperture in described duct is 0.50mm ~ 0.7mm, and the number in duct is 2 ~ 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310254917.XA CN103341223B (en) | 2013-06-25 | 2013-06-25 | Disposable automatic control transfusion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310254917.XA CN103341223B (en) | 2013-06-25 | 2013-06-25 | Disposable automatic control transfusion device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103341223A CN103341223A (en) | 2013-10-09 |
| CN103341223B true CN103341223B (en) | 2015-07-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310254917.XA Expired - Fee Related CN103341223B (en) | 2013-06-25 | 2013-06-25 | Disposable automatic control transfusion device |
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| CN (1) | CN103341223B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104399141A (en) * | 2014-12-16 | 2015-03-11 | 山东新华安得医疗用品有限公司 | Multi-functional slow-emptying and exhausting infusion apparatus |
| CN106860977A (en) * | 2017-04-06 | 2017-06-20 | 张金铭 | A kind of automatic liquid-stopping filter |
| CN111544692A (en) * | 2020-04-29 | 2020-08-18 | 河北中捷医疗器械有限公司 | Infusion device and infusion method capable of removing bubbles automatically |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201692443U (en) * | 2009-10-13 | 2011-01-05 | 武汉智迅创源科技发展有限公司 | Automatic vent safe infusion device |
| CN101985054B (en) * | 2010-12-15 | 2012-07-25 | 广东康尔美医疗器械有限公司 | Anti-blood backflow precision filtering infusion set |
| CN102688533B (en) * | 2012-06-26 | 2015-04-29 | 电白县康尔美生物科技有限公司 | Self-stopping type accurate filtering transfusion apparatus capable of preventing blood return |
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| CN103341223A (en) | 2013-10-09 |
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Granted publication date: 20150715 Termination date: 20180625 |