CN209475276U - A kind of infusion apparatus - Google Patents

A kind of infusion apparatus Download PDF

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Publication number
CN209475276U
CN209475276U CN201821510225.1U CN201821510225U CN209475276U CN 209475276 U CN209475276 U CN 209475276U CN 201821510225 U CN201821510225 U CN 201821510225U CN 209475276 U CN209475276 U CN 209475276U
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infusion
pipeline section
dropping funnel
infusion pipeline
bag
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CN201821510225.1U
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Chinese (zh)
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徐永翠
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Abstract

The utility model relates to a kind of infusion apparatuses, including bottle plug puncture unit, perfusion tube, main medicinal bag, the medicine adding bag that makes up a prescription, dropping funnel, intravenous infusion needle, perfusion tube includes the first infusion pipeline section, the second infusion pipeline section, third infusion pipeline section, the 4th infusion pipeline section, and bottle plug puncture unit is separately connected main medicinal bag and the medicine adding bag that makes up a prescription by the first infusion pipeline section;The main medicinal bag and the medicine adding bag that makes up a prescription pass through the second infusion pipeline section respectively and are connected on dropping funnel, and dropping funnel passes through third infusion pipeline section, the 4th infusion pipeline section connecting intravenous infusion needle again;The dropping funnel is equipped with exhaust apparatus and only liquid structure.The utility model devises multi-filtering structure, it reduces non-drug particle insoluble matter and insoluble drugs particle and the possibility that human body brings risk to human body is entered by venous transfusion, by make up a prescription medicine adding bag can it is continuous, rapidly, easily accurate formulation infusion of small-amount of multi-group fluids, also have the function of exhaust and only liquid automatically, it is easy to use and reliable.

Description

A kind of infusion apparatus
Technical field
The utility model relates to the technical field of medical supplies device, especially a kind of technical field of infusion apparatus.
Background technique
That there are strainabilities is bad for perfusion tube clinically at present, and venous transfusion particle can be adsorbed on human body after entering human body On vascular wall and tissue internal organs, do harm to huamn body, and cause one of the factor of infusion risk, but due to producing and making It can not accomplish that the hundreds' of drug percent is pure in, in clinical vein infusion, large dosage of injection is straight by infusion set etc. It connects and is entered in vivo by intravenous drip, into body circulation, this process particulate matter is had as medical fluid enters the risk of blood, such as Fruit particulate matter enters blood with medical fluid, then as the pulmonary circulation of blood enters the microcirculation in body circulation, eventually leads Terminal artery blocking is caused, is damaged to human body.Meanwhile it must clinically be used when needing to be added drug in defeated liquid Syringe preparating liquid when especially dissolving bottled pulvis medical fluid, due to being limited by syringe capacity, needs repeated multiple times through nothing The rubber bottle cap of bacteria liquid is inserted into bottle, aspirates, perfusion solution, therefore easily causes the pollution of sterile liquid and the increasing of transfusion particle Add, causes iatrogenic pollution, endanger patient health.
For general infusion set used at present when infusion just starts, medical fluid initially enters dropping funnel, since medical fluid is by gravity With the double influence of pressure, the mixture of gas and medical fluid is easily caused, the bubble in perfusion tube is formed, due on transfusion catheter Micro-bubble be adsorbed on transfusion catheter inner wall, it is very difficult to be discharged these bubbles, and now mostly prevented using manual expression Air inputs in patient body.In addition, existing infusion apparatus does not stop liquid function, it can result in and do not pulled out in time after infusion Syringe needle has blood backflow out, and certain pressure is caused to patient.
Utility model content
The purpose of this utility model is exactly to solve the problems of the prior art, proposes that a kind of infusion apparatus, the utility model are set Counted multi-filtering structure, reduce non-drug particle insoluble matter and insoluble drugs particle by venous transfusion enter human body to Human body brings the possibility of risk, by make up a prescription medicine adding bag can it is continuous, rapidly, easily accurate formulation infusion of small-amount of multi-group fluids, Also have the function of exhaust and only liquid automatically, it is easy to use and reliable.
To achieve the above object, the utility model proposes a kind of infusion apparatuses, including bottle plug puncture unit, perfusion tube, main ingredient Object bag, the medicine adding bag that makes up a prescription, dropping funnel, intravenous infusion needle, perfusion tube include the first infusion pipeline section, the second infusion pipeline section, third infusion Pipeline section, the 4th infusion pipeline section, bottle plug puncture unit are separately connected main medicinal bag and the medicine adding bag that makes up a prescription by the first infusion pipeline section;It is described Main medicinal bag and the medicine adding bag that makes up a prescription pass through the second infusion pipeline section respectively and are connected on dropping funnel, dropping funnel again by third be infused pipeline section, 4th infusion pipeline section connecting intravenous infusion needle;The dropping funnel is equipped with exhaust apparatus and only liquid structure.
Preferably, the first infusion pipeline section is branched off into two perfusion tubes, it is separately connected main medicinal bag and dosing of making up a prescription Bag is equipped with flow regulator on the first infusion pipeline section, control respectively between bottle plug puncture unit and main medicinal bag with control bottle stopper Medicament flow rate between puncture outfit and the medicine adding bag that makes up a prescription.
Preferably, the second infusion pipeline section is combined into a perfusion tube by two perfusion tubes of branch above dropping funnel, Be equipped with flow regulator on second infusion pipeline section, control respectively between main medicinal bag and dropping funnel with make up a prescription medicine adding bag and dropping funnel it Between medicament flow rate.
Preferably, the exhaust apparatus includes exhaust pipe, exhaust pipe upper end is extend into dropping funnel, and exhaust pipe lower end is fixed Outside dropping funnel, exhaust passage is equipped with inside exhaust pipe, exhaust pipe bottom sides are equipped with gas vent, are equipped with the row of compression at gas vent The exhaust stopple of stomata.
Preferably, being fixed with air-filtering membrane in the exhaust passage.
Preferably, the dropping funnel bottom is equipped with connecting conduit, dropping funnel is connect by connecting conduit with third infusion pipeline section, Only liquid structure includes connecting conduit and the heavy ion microporous membrane that is arranged in connecting conduit.
Preferably, being additionally provided with medical filtration net in the dropping funnel.
Preferably, the mesh number of the filter screen is 4-80 mesh.
Preferably, the third infusion pipeline section is equipped with fine flow adjuster and precision liquid medicine filter.
Preferably, the third infusion pipeline section is connect with the 4th infusion pipeline section by pipe connector of being infused, perfusion tube connects Connector is equipped with tapped sleeve close to one end of the 4th infusion pipeline section, and infusion pipe connector has close to third infusion pipeline section With externally threaded prominent connector, matches with externally threaded prominent connector with tapped sleeve and be connected to.
The utility model has the beneficial effects that
1, the utility model devises multi-filtering structure, and medical fluid filters out diameter after the dropping funnel with filter screen and is about The bulky grain insoluble matter of 0.2-5mm is difficult to differentiate using the naked eyes that diameter is about 0.2-30 μm that filter out of medicine filter Little particle drug, reduce non-drug particle insoluble matter and insoluble drugs particle by venous transfusion and enter human body to human body Bring the possibility of risk.
2, by making up a prescription, medicine adding bag can continuously, rapidly, easily accurate formulation be transfused the utility model in infusion process Small-amount of multi-group fluids, and transfusion bottle stopper contaminated chance in operation can be reduced, while also mitigating nursing staff need not The duplication of labour wanted.
3, the utility model has bubble in discharge perfusion tube and prevents the device of blood backflow after being infused, and realizes certainly It moves exhaust and only liquid, use is safer.
4, in addition, infusion pipeline section and intravenous infusion needle between connector be designed to be threadedly engaged so that infusion pipeline section with Connection between intravenous infusion needle is stronger, not easily to fall off.
The feature and advantage of the utility model will be described in detail by embodiment combination attached drawing.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of overall structure diagram of infusion apparatus;
Fig. 2 is a kind of dropping funnel structural schematic diagram of infusion apparatus;
Fig. 3 is a kind of infusion pipe connector structural schematic diagram of infusion apparatus.
In figure
1- bottle plug puncture unit, the infusion of 2- first pipeline section, 3- flow regulator, the main medicinal bag of 4-, 5- second infusion pipeline section, 6- Dropping funnel, 61- medical filtration net, 62- exhaust pipe, 63- exhaust stopple, 64- gas vent, 65- air-filtering membrane, 66- connecting conduit, 67- heavy ion microporous membrane, 7- third infusion pipeline section, 8- fine flow adjuster, 9- precision liquid medicine filter, 10- make up a prescription dosing Bag, 11- intravenous infusion needle, 12- the 4th infusion pipeline section, 13- infusion pipe connector.
Specific embodiment
To keep the purpose of this utility model, technical solution and advantage clearer, below by the technology to the utility model Scheme is described in detail.Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work Obtained all other embodiment is put, the range that the utility model is protected is belonged to.
As shown in Figure 1, Figure 2, Fig. 3, the utility model, including bottle plug puncture unit 1, perfusion tube, main medicinal bag 4, make up a prescription medicine adding bag 10, dropping funnel 6, intravenous infusion needle 11, perfusion tube include that the first infusion pipeline section 2, second is infused pipeline section 5, third infusion pipeline section 7, the Four infusion pipeline sections 12, bottle plug puncture unit 1 are separately connected main medicinal bag 4 and the medicine adding bag 10 that makes up a prescription by the first infusion pipeline section 2;It is described Main medicinal bag 4 and the medicine adding bag 10 that makes up a prescription are connected on dropping funnel 6 by the second infusion pipeline section 5 respectively, and dropping funnel 6 is defeated by third again The infusion 12 connecting intravenous infusion needle 11 of pipeline section of liquid pipe section the 7, the 4th;The dropping funnel 6 is equipped with exhaust apparatus and only liquid structure.
Medicinal bag includes main medicinal bag 4 and the medicine adding bag 10 that makes up a prescription, and the key agents of the main inner connection infusion of medicinal bag 4 make up a prescription Medicine adding bag 10 is responsible for the multiple groups drug of addition.It must clinically be matched using syringe when needing to be added drug in defeated liquid Pharmacy liquid when especially dissolving bottled pulvis medical fluid, due to being limited by syringe capacity, needs repeated multiple times through sterile liquid Rubber bottle cap is inserted into bottle, aspirates, perfusion solution, therefore easily causes the pollution of sterile liquid and the increase of transfusion particle, causes to cure Source contact scar, endangers patient health.Existing disposable packing infusion apparatus in use, dispenses liquid bag with medicine liquid volume Increase and elastic expansion cannot accurate metering, distributing, packaging liquid, and in clinical position, often need multiple infusion treatment on a small quantity, especially exist Paediatrics, intensive care unit, oncology etc. are only used 30-50ml/ times sometimes.
In order to avoid drug contamination, sealing cover is set in the drug injection channel of drug subpackage bag, this structure prevents Pollution of the sundries to drug in air, ensure that the safety of infusion process in infusion process.
The first infusion pipeline section 2 is branched off into two perfusion tubes, is separately connected main medicinal bag 4 and the medicine adding bag 10 that makes up a prescription, the It is equipped with flow regulator 3 on one infusion pipeline section 2, controls worn between bottle plug puncture unit 1 and main medicinal bag 4 with control bottle stopper respectively Pierce the medicament flow rate between device 1 and the medicine adding bag 10 that makes up a prescription.
The second infusion pipeline section 5 is combined into a perfusion tube, the second infusion by two perfusion tubes of branch above dropping funnel 6 Flow regulator 3 is equipped on pipeline section 5, control respectively between main medicinal bag 4 and dropping funnel 6 with make up a prescription medicine adding bag 10 and dropping funnel 6 it Between medicament flow rate.
The exhaust apparatus includes exhaust pipe 62, and 62 upper end of exhaust pipe is extend into dropping funnel 6, and 62 lower end of exhaust pipe is fixed Outside dropping funnel 6, exhaust passage is equipped with inside exhaust pipe 62,62 bottom sides of exhaust pipe are equipped with gas vent 64, at gas vent 64 Equipped with the exhaust stopple 63 for compressing gas vent 64.
Air-filtering membrane 65 is fixed in the exhaust passage.
6 bottom of dropping funnel is equipped with connecting conduit 66, and dropping funnel 6 is connect by connecting conduit 66 with third infusion pipeline section 7, only Liquid structure includes connecting conduit 66 and the heavy ion microporous membrane 67 that is arranged in connecting conduit 66.
Medical filtration net 61 is additionally provided in the dropping funnel 6.The mesh number of the filter screen 61 is 4-80 mesh.
The third infusion pipeline section 7 is equipped with fine flow adjuster 8 and precision liquid medicine filter 9.The precision liquid medicine The filtering partial size of filter 9 is 0.2-30 μm.
In clinical vein infusion, large dosage of injection is directly entered in vivo by intravenous drip by infusion set etc., is entered Body circulation, this process particulate matter have as medical fluid enters the risk of blood, if particulate matter enters with medical fluid Blood, then as the pulmonary circulation of blood enters the microcirculation in body circulation, eventually result in terminal artery blocking, made to human body At injury.U.S.'s " infusion treatment nursing practice standard " suggests, when defeated non-fat class I liquid I, should use with diameter is 0.2 μm of sky The filter of gap filter membrane, the filter can dispel bacterium and particle and can eliminate the bubble in liquid;Defeated lipid or Quan Ying When nutrient solution, the filter with diameter for 1.2 μm of gap filter membranes should be used, which can dispel bacterium and particle and energy Eliminate the bubble in liquid.The present inventor has found by the clinical experimental study of many years, adds in the dropping funnel of infusion apparatus first Filter screen filters out bigger insoluble granule, then adds medicine filter before the transfusion needle of infusion apparatus again, filtering Fall the not noticeable insoluble little particle of naked eyes in drug, reduces the risk that the particle in medical fluid enters human body.
The third infusion pipeline section 7 is connect with the 4th infusion pipeline section 12 by pipe connector 13 of being infused, pipe connector of being infused 13 are equipped with tapped sleeve close to one end of the 4th infusion pipeline section 12, and infusion pipe connector 13 is close to third infusion pipeline section 7 With with externally threaded prominent connector, matches with externally threaded prominent connector with tapped sleeve and be connected to.
Connector between previous infusion pipeline section and intravenous infusion needle 11 is to connect in a plug-in manner, patient activity or For person during being handled upside down, perfusion tube has the danger to fall off, currently designed at being threadedly engaged, so that infusion pipeline section and vein are defeated Connection between liquid needle 11 is stronger, not easily to fall off.
The course of work of the utility model:
A variety of drugs flow via a conduit in dropping funnel, in dropping funnel by filter screen filtration go wherein bulky grain insoluble matter it Afterwards, medicine filter is flowed into through conduit, after filtering off little particle insoluble therein through medicine filter, medical fluid passes through vein Transfusion needle enters human vein.
It makes up a prescription dosing part: adding several medicine adding bags 10 that make up a prescription between bottle stopper puncture device assembly and dropping funnel, it can be continuous, fast Speed, easily accurate formulation infusion of small-amount of multi-group fluids, without it is repeated multiple times be inserted into, aspirate into bottle by syringe, Perfusion solution can be reduced transfusion bottle stopper contaminated chance in operation, while it is unnecessary heavy also to mitigate nursing staff Multiple labour has well solved traditional dispenser accurate the problem of dispensing liquid difficult to realize.
Remove bubble theory: during normal infusion, the medical fluid in medicine bottle passes through bottle plug puncture unit 1 and transfusion catheter stream Upward dropper, due to the influence of gravity and pressure, medical fluid can be quickly entered in dropping funnel 6, and extraneous pneumatics balance system makes in dropping funnel Outer air communicates, i.e., dropping funnel is intracavitary identical as external air pressure, and medical fluid is enable slowly to rise and will not flow out rapidly, drop The 6 intracavitary air that struggle against are discharged to the outside by air-filtering membrane 65 and gas vent 64.Due to inner air and outer air pressure balance, medical fluid will Slowly rise along the second infusion pipeline section 5 in dropping funnel 6, when the top end of exhaust pipe 62 is flooded in medical fluid rising, because of air filtration The hydrophobicity of film 65, medical fluid can not be flowed out from exhaust pipe, and medical fluid will be flowed downward out along connecting conduit 66 to third infusion pipeline section In 7, since medical fluid has covered the top of exhaust pipe 62 at this time, the intracavitary air pressure of dropping funnel 6 is also with the external world in critical flat Weighing apparatus state, air will be unable to enter in third infusion pipeline section 7, and the liquid level in dropping funnel 6 stops rising, and completes the medical fluid in dropping funnel 6 Filling.
Without being inverted or squeezing dropping funnel 6, air is discharged to the outside by air-filtering membrane 65 and gas vent 64, to reach The purpose of bubble-free in entire infusion process.
The only anti-backflow principle of liquid: after infusion, medical fluid face is gradually reduced, when the medical fluid in dropping funnel 6 drops to one After determining height, the weight of residual liquor is not enough to provide the pressure for passing through heavy ion microporous membrane 67, to realize only liquid, together When because in feed liquor needle there are also remaining medical fluid so that blood is not in reflux.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to In this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation Or replacement, it should be covered within the scope of the utility model.

Claims (5)

1. a kind of infusion apparatus, it is characterised in that: including bottle plug puncture unit (1), perfusion tube, main medicinal bag (4), make up a prescription medicine adding bag (10), dropping funnel (6), intravenous infusion needle (11), perfusion tube are defeated including the first infusion pipeline section (2), the second infusion pipeline section (5), third Liquid pipe section (7), the 4th infusion pipeline section (12), bottle plug puncture unit (1) are separately connected main medicinal bag by the first infusion pipeline section (2) (4) and the medicine adding bag that makes up a prescription (10);The main medicinal bag (4) and the medicine adding bag that makes up a prescription (10) are connected by the second infusion pipeline section (5) respectively It is connected on dropping funnel (6), dropping funnel (6) passes through third infusion pipeline section (7), the 4th infusion pipeline section (12) connecting intravenous infusion needle again (11);The dropping funnel (6) is equipped with exhaust apparatus and only liquid structure;
It is additionally provided with medical filtration net (61) in the dropping funnel (6), the mesh number of the filter screen (61) is 4-80 mesh, and the third is defeated Liquid pipe section (7) is equipped with fine flow adjuster (8) and precision liquid medicine filter (9), the mistake of the precision liquid medicine filter (9) Filtering partial size is 0.2-30 μm;
Dropping funnel (6) bottom is equipped with connecting conduit (66), and dropping funnel (6) passes through connecting conduit (66) and third infusion pipeline section (7) Connection, only liquid structure includes the heavy ion microporous membrane (67) of connecting conduit (66) and setting in connecting conduit (66);
Third infusion pipeline section (7) is connect with the 4th infusion pipeline section (12) by infusion pipe connector (13), perfusion tube connection Head (13) is equipped with tapped sleeve close to one end of the 4th infusion pipeline section (12), and infusion pipe connector (13) is defeated close to third Liquid pipe section (7) has with externally threaded prominent connector, matches with externally threaded prominent connector and tapped sleeve and connects It is logical.
2. a kind of infusion apparatus as described in claim 1, it is characterised in that: first infusion pipeline section (2) be branched off into two it is defeated Liquid pipe is separately connected main medicinal bag (4) and the medicine adding bag that makes up a prescription (10), is equipped with flow regulator in the first infusion pipeline section (2) (3), respectively between control bottle plug puncture unit (1) and main medicinal bag (4) with control bottle plug puncture unit (1) and the medicine adding bag that makes up a prescription (10) Between medicament flow rate.
3. a kind of infusion apparatus as described in claim 1, it is characterised in that: second infusion pipeline section (5) is by two of branch Perfusion tube is combined into a perfusion tube above dropping funnel (6), is equipped with flow regulator (3) in the second infusion pipeline section (5), controls respectively Make the medicament flow rate between main medicinal bag (4) and dropping funnel (6) between the medicine adding bag that makes up a prescription (10) and dropping funnel (6).
4. a kind of infusion apparatus as described in claim 1, it is characterised in that: the exhaust apparatus includes exhaust pipe (62), exhaust Pipe (62) upper end is extend into dropping funnel (6), and exhaust pipe (62) lower end is fixed on dropping funnel (6) outside, is equipped with inside exhaust pipe (62) Exhaust passage, exhaust pipe (62) bottom sides are equipped with gas vent (64), and the row for compressing gas vent (64) is equipped at gas vent (64) Air plug (63).
5. a kind of infusion apparatus as claimed in claim 4, it is characterised in that: be fixed with air-filtering membrane in the exhaust passage (65)。
CN201821510225.1U 2018-09-14 2018-09-14 A kind of infusion apparatus Active CN209475276U (en)

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CN201821510225.1U CN209475276U (en) 2018-09-14 2018-09-14 A kind of infusion apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821510225.1U CN209475276U (en) 2018-09-14 2018-09-14 A kind of infusion apparatus

Publications (1)

Publication Number Publication Date
CN209475276U true CN209475276U (en) 2019-10-11

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