CN103341223A - Disposable automatic control transfusion device - Google Patents
Disposable automatic control transfusion device Download PDFInfo
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- CN103341223A CN103341223A CN201310254917XA CN201310254917A CN103341223A CN 103341223 A CN103341223 A CN 103341223A CN 201310254917X A CN201310254917X A CN 201310254917XA CN 201310254917 A CN201310254917 A CN 201310254917A CN 103341223 A CN103341223 A CN 103341223A
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- automatic control
- infusion set
- feed tube
- microdialysis
- disposable 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, relate in particular to a kind of disposable use automatic control infusion set.
Background technology
Traditional disposable infusion set is when clinical transfusion, medicinal liquid enters dropping funnel, liquid is easily discharged the gas in the dropping funnel downwards the formation gas-liquid mixture and is entered in the transfusion catheter, therefore produce bubble, simultaneously, because of the pipe inner wall surface tension effects, very easily form absorption pipe inner wall minute bubbles, be difficult for discharging, the bubble that produces easily causes harm such as aeroembolism as entering in patient's body.Described, medical personnel are before transfusion, must be with the emptying as far as possible of bubble in the conduit, artificial discharge minute bubbles that the bubble process needs to be adsorbed on pipe inner wall and constantly play conduit outer wall with the mode of a brief period of time, the minute bubbles of absorption are floated to the dropping funnel more than the liquid level, but be adsorbed in pipe inner wall in the minute bubbles floating-upward process very easily again, 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; through regular meeting following situation appears: when 1, transfusion nearly finishes; owing to be afraid of that air enters in the transfusion catheter; often when not being totally lost, just pulls out medicinal liquid the transfusion vein pin; therefore generally can remain a part of medicinal liquid in the medicinal liquid bottle, not reach therapeutic effect, even cause dispute because of the medicine of having wasted the patient.2, after medicinal liquid has flowed, because nursing the untimely patient's intravenous needle on one's body of having forgotten to pull out, cause air to enter human body sometimes, cause the blood vessel blood back to bring injury to the patient, increase pressure therefore for nursing staff's spirit, cause patient's fear simultaneously, cause the dispute of protecting between the trouble.3, when transfusion finishes or changes medicinal liquid bottle (bag), the nurse needs strictly to hold the liquid level time and in time carry out medical care, nurse's working depth anxiety at this moment, sometimes even cause clinical dispute.
Summary of the invention
The objective of the invention is to overcome the shortcoming of prior art, a kind of disposable use automatic control infusion set is provided, can discharge gas automatically, and can prolong transfusion time, safe and reliable.
For solving above technical problem, technical scheme of the present invention is: a kind of disposable use automatic control infusion set, it comprises bottle plug puncture unit, dropper, conduit, intravenous needle, described conduit is provided with flow controller, its difference is: also comprise the multifunctional self-regulating device, 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 the described dropping funnel, be connected the main pipeline of shunting cap bottom, described main pipeline passes separator disc, one side of main pipeline is exhaustor, the opposite side of main pipeline is feed tube, the top of described exhaustor is than the top height of feed tube, the end of exhaustor is terminal higher than feed tube, described separator disc is provided with the microdialysis hole, and the lower end of separator disc is disposed with liquid medicine filtering membrane, slit 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 μ m～15 μ m.
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 slightly is pressed on the 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 slit exhaust apparatus is hollow cylinder, and the periphery of hollow cylinder is provided with the duct that prevents that air bubble from entering, and the aperture in described duct is 0.50mm～0.7mm, and the number in duct is 2～4.
The contrast prior art, beneficial features of the present invention is as follows:
1), this disposable use automatic control infusion set, can realize automatic vent three times by exhaustor, liquid medicine filtering membrane, slit exhaust apparatus, really having accomplished does not have " air bubble " in the transfusion, and aerofluxus is thorough, clean;
2), this disposable use automatic control infusion set, avoided the intact back of transfusion Chinese medicine liquid stream air bubble to enter human body, pass through microdialysis then, avoid the human vas blood back that " thrombosis " takes place, and do not exist and stop up down pipeline by force by silica gel sheet (pad) and other working of plasticss and cause the blood of human vas backflow phenomenon to occur, therefore avoided the blood backflow phenomenon and caused that medical personnel and patient's is panic and nervous, the clinical position that is conducive to medical personnel, medical personnel's working strength and pressure have been alleviated, reduced and protected between the trouble therefore and the medical tangle that causes, and reduced the nursing risk, obtained the effect of nursing at heart, improved nursing quality, medical personnel are felt more relieved when the patient is infused.
Description of drawings
Fig. 1 is embodiment of the invention structure chart;
Fig. 2 dissects the structure enlarged drawing for multifunctional self-regulating device in the embodiment of the 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-slit exhaust apparatus, 11-feed tube, 12-liquid medicine filtering membrane, 13-liquid outlet, 14-conduit, 15-flow controller, 16-spiral lock-on connection, 17-6: 100 standard cone seats, 18-intravenous needle, 19-intravenous needle protective sleeve, 20-separator disc.
The specific embodiment
By reference to the accompanying drawings the present invention is described in further detail below by the specific embodiment.
Please refer to Fig. 1 and Fig. 2, the disposable use automatic control of embodiment of the invention infusion set, 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 the multifunctional self-regulating device, 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 the described dropping funnel 6, be connected the main pipeline of shunting cap 7 bottoms, described main pipeline passes separator disc 20, one side of main pipeline is exhaustor 8, the opposite side of main pipeline is feed tube 11, the top of described exhaustor 8 is than the top height of feed tube 11, the end of exhaustor 8 is terminal higher than 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, slit 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 μ m～15 μ m.
Concrete, the distance of the end of described feed tube 11 and liquid medicine filtering membrane 12 is 0.2mm～0.5mm.
Preferably, described microdialysis hole 9 slightly is pressed on the 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 slit exhaust apparatus 10 is hollow cylinder, and the periphery of hollow cylinder is provided with the duct that prevents that 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 invention, set up into two layers in the dropping funnel, the upper strata is inlet opening and steam vent, the microdialysis hole is arranged at the bottom, upper strata, should go up sheaf space is to adopt medicinal liquid to be inverted method for exhausting, feed tube is low, the exhaustor height, can utilize distance at interval to finish feed liquor and aerofluxus, lower floor is the end of feed tube and the end of exhaustor, and the inlet opening end is low, and steam vent is terminal high, can utilize space aerofluxus at interval, it is liquid medicine filtering membrane (diaphragm of 2 μ m～5 μ m is the secondary filter diaphragm, and the diaphragm of 5 μ m～15 μ m is common filtration membrane) and the slit exhaust apparatus of 2～15 μ m that there is the aperture in lower floor, and liquid medicine filtering membrane can stop the portion of air bubble to enter following slit exhaust apparatus effectively, the present invention does not in use change medical personnel's transfusion operation and method of work fully.
The using method of the embodiment of the invention is: during the transfusion beginning: medicinal liquid enters in the dropping funnel, around being diverted in the dropper by the shunting cap in the dropping funnel, accumulate then and reduce a large amount of air bubbles, when medicinal liquid is accumulate in the dropping funnel three/for the moment, medicinal liquid begins to enter feed tube and flow to lower floor, the air of lower floor is discharged by exhaustor, when medicinal liquid is flowed through liquid medicine filtering membrane, liquid medicine filtering membrane begins to stop the portion of air bubble to enter the slit exhaust apparatus, the slit exhaust apparatus begins automatic vent, after the slit exhaust apparatus was finished aerofluxus, medicinal liquid inflow catheter to intravenous needle just can have been infused to the patient.Transfusion finishes, when the inlet no liquid of the liquid in the big bottle of transfusion (bag) in dropping funnel: feed tube and exhaustor stop automatically, the microdialysis hole begins to divide remaining medicinal liquid to change over the microdialysis transfusion dropping funnel internal upper part, the microdialysis transfusion also makes infiltration end liquid or infiltration is dammed, the microdialysis hole is arranged on bottom, upper strata in the dropping funnel, this hole can extend to transfusion time about 30 minutes effectively, if 2 holes can extend to 15 minutes, enough allow medical personnel pull out syringe needle to the patient during this period of time or change dressings.
In the embodiment of the invention, the medicinal liquid shunting that shunting cap in the dropping funnel will flow down, (this moment, the microdialysis aperture was 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 then, this hole is to begin to carry out automatically microdialysis when feed tube does not have medicinal liquid inflow lower part when transfusion finishes, and all finishes automatically, as changing the bottle transfusion again, feed tube enters medicinal liquid, the microdialysis hole stops automatically, becomes the 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 also becomes second inlet at this moment, at this moment, feed tube has all become inlet with exhaustor, two inlets with the air of dropping funnel lower floor by slit aerofluxus ratio juris, make medicinal liquid after dropping funnel lower floor accumulation aerofluxus and accelerate inflow catheter, therefore, finish three aerofluxuss automatically, when transfusion finishes, when the upper strata feed tube does not have medicinal liquid, this moment upper strata feed tube and exhaustor, because the action of gravity that loses the infusion bottle medicinal liquid stops flow automatically, remaining medicinal liquid is finished by microdialysis in the dropping funnel, and this moment, the microdialysis hole became normal infusion into microdialysis.
In the embodiment of the invention, main pipeline is divided into feed tube and exhaustor, feed tube distance terminal and liquid medicine filtering membrane only is between 0.2mm～0.5mm, the infiltration mouth in microdialysis hole and liquid medicine filtering membrane form the light pressure state, can utilize the medical filtration membrane resistance to delay transfusion time when its objective is microdialysis, but 1 hole slack time 30 minutes, but 2 hole slack times 15 minutes.Flow in the flow of the end of feed tube and the catheter of transfusion system must coincide, and can guarantee that so just transfusion speed and flow do not change.
The multifunctional self-regulating device may be used on various types of transfusion devices in the embodiment of the invention, as: disposable use precision filter infusion set (multifunctional self-regulating), disposable infusion set (multifunctional self-regulating), little dosage transfusion device of disposable use (multifunctional self-regulating) etc.
The present invention has carried out multi-functional upgrading with the dropping funnel of traditional disposable infusion set (being the transfusion device of simple function at present) the inside, it has been increased on the basis that does not change original function have multiple function, comprise that three automatic vents and microdialysis end liquid, three times automatic vent is: the 1st, and medicinal liquid is inverted blind enema, the 2nd, diaphragm resistance blind enema, the 3rd, slit blind enema, the present invention is identical with the using method of traditional infusion device, and simpler and safety.
The embodiment of the invention is in the integral body transfusion; protected the transfusion device flow not change; dripping speed in the dropping funnel does not change (just changing over microdialysis during the transfusion end dams) yet; the nurse only need be when infusing to the patient behind the bottle plug puncture unit big bottle of insertion (bag) with this transfusion device; straighten tube for transfusion from top to bottom; wait for several seconds; medicinal liquid enters intravenous needle and can infuse to the patient; do not need the nurse ceaselessly in all sorts of ways to the tube for transfusion aerofluxus; do not need to worry that the patient infuses when finishing because of busy yet; there is not the very first time to pull out patient's syringe needle; the fear that blood back occurs and cause; therefore removed in the transfusion because the hidden danger that the transfusion device of present tradition and simple function brings; and stopped " air tap "; the generation of " thrombosis "; thereby alleviated nursing staff's labor intensity and stress, prevented " air tap "; the medical tangle that causes has therefrom also been avoided in the injury that " thrombosis " brings to the patient in transfusion simultaneously.
The present invention is owing to reached three automatic vents and microdialysis ends liquid, just thoroughly stopped by " air tap ", the generation of " thrombosis ", ensured transfusion safety, prevented in the infusion process and transfusion when finishing in the transfusion device air to the injury of human body, the doctor-patient dispute also having avoided simultaneously transfusion to finish back human body blood back and having caused (because of the busy fear that blood back occurs of clinical medical and nursing personnel, also avoided former simultaneously and ended liquid type transfusion device and cause the malpractice of " thrombosis ").Infuse when changing medicine bottle (bag) again, get final product by traditional transfusion normal operating rules, method of work of the present invention is very simple, plug puncture needle at infusion bottle (bag), the nurse waits for infusing to the patient that several seconds just can be relieved, and therefore, this device has been guaranteed transfusion safety.
Above content be in conjunction with concrete embodiment to further describing that the present invention does, can not assert that concrete enforcement of the present invention is confined to these explanations.For the general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.
Claims (7)
1. disposable use automatic control infusion set, it comprises bottle plug puncture unit, dropper, conduit, intravenous needle, described conduit is provided with flow controller, it is characterized in that: also comprise the multifunctional self-regulating device, described bottle plug puncture unit is communicated with intravenous needle by described dropper, multifunctional self-regulating device, conduit successively.
2. disposable use automatic control infusion set as claimed in claim 1, it is characterized in that: described multifunctional self-regulating device comprises dropping funnel, be provided with shunting cap in the described dropping funnel, be connected the main pipeline of shunting cap bottom, described main pipeline passes separator disc, one side of main pipeline is exhaustor, the opposite side of main pipeline is feed tube, the top of described exhaustor is than the top height of feed tube, the end of exhaustor is terminal higher than feed tube, described separator disc is provided with the microdialysis hole, and the lower end of separator disc is disposed with liquid medicine filtering membrane, the slit exhaust apparatus.
3. disposable use automatic control infusion set as claimed in claim 2, it is characterized in that: the aperture of described feed tube and exhaustor is 1.6mm～1.8mm.
4. disposable use automatic control infusion set as claimed in claim 2, it is characterized in that: the aperture of described liquid medicine filtering membrane is 2 μ m～15 μ m.
5. disposable use automatic control infusion set as claimed in claim 2, it is characterized in that: the end of described feed tube and the distance of liquid medicine filtering membrane are 0.2mm～0.5mm.
6. disposable use automatic control infusion set as claimed in claim 2, it is characterized in that: described microdialysis hole slightly is pressed on the liquid medicine filtering membrane, and the aperture in microdialysis hole is 0.50mm～0.7mm, and the number in microdialysis hole is 1～2.
7. disposable use automatic control infusion set as claimed in claim 2, it is characterized in that: described slit exhaust apparatus is hollow cylinder, the periphery of hollow cylinder is provided with the duct that prevents that air bubble from entering, and 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 |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310254917.XA CN103341223B (en) | 2013-06-25 | 2013-06-25 | Disposable automatic control transfusion device |
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| Publication Number | Publication Date |
|---|---|
| CN103341223A true CN103341223A (en) | 2013-10-09 |
| CN103341223B CN103341223B (en) | 2015-07-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310254917.XA Expired - Fee Related CN103341223B (en) | 2013-06-25 | 2013-06-25 | Disposable automatic control transfusion device |
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Cited By (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 |
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| 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 |
| CN101985054A (en) * | 2010-12-15 | 2011-03-16 | 广东康尔美医疗器械有限公司 | Anti-blood backflow precision filtering infusion set |
| CN102688533A (en) * | 2012-06-26 | 2012-09-26 | 广东康尔美医疗器械有限公司 | Self-stopping type accurate filtering transfusion apparatus capable of preventing blood return |
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2013
- 2013-06-25 CN CN201310254917.XA patent/CN103341223B/en not_active Expired - Fee Related
Patent Citations (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 |
| CN101985054A (en) * | 2010-12-15 | 2011-03-16 | 广东康尔美医疗器械有限公司 | Anti-blood backflow precision filtering infusion set |
| CN102688533A (en) * | 2012-06-26 | 2012-09-26 | 广东康尔美医疗器械有限公司 | Self-stopping type accurate filtering transfusion apparatus capable of preventing blood return |
Cited By (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 |
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| Publication number | Publication date |
|---|---|
| CN103341223B (en) | 2015-07-15 |
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