CN207493022U - It is a kind of conveniently, the transfusion system of accurate measurements infusion flow - Google Patents
It is a kind of conveniently, the transfusion system of accurate measurements infusion flow Download PDFInfo
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- CN207493022U CN207493022U CN201720431871.8U CN201720431871U CN207493022U CN 207493022 U CN207493022 U CN 207493022U CN 201720431871 U CN201720431871 U CN 201720431871U CN 207493022 U CN207493022 U CN 207493022U
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- transfusion
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Abstract
The utility model belongs to infusion techn field, be related to it is a kind of conveniently, the transfusion system of accurate measurements infusion flow.The transfusion system includes the medical liquid container and woven hose that contain liquid that are connected to each other, and it is set to the flow monitoring device that monitoring transfusion flow is used on woven hose, the vein blood vessel of the woven hose other end connection patient, so that the liquid can flow into the vein of patient；The wherein described flow monitoring device includes shell and the liquid entrance, spool, elastomeric element, the medicine liquid outlet that are set gradually along the flow direction of liquid inside the shell, there are gaps between the spool and the shell, and/or trepanning is equipped among the spool, so that the liquid can flow through the flow monitoring device.Using the utility model conveniently, the transfusion system of accurate measurements infusion flow, can it is time saving, laborsaving, save worry, and accurately monitor the flow during patient fluid infusion.
Description
Technical field
The utility model belongs to infusion apparatus technical field, be related to it is a kind of conveniently, the infusion system of accurate measurements infusion flow
System.
Background technology
Infusion is a kind of therapeutic modality that drug or blood are input to blood circulation of human body system.With section
The development of technology, traditional infusion model have obtained very big improvement, and infusion pump has also gradually come into hospital, allow people to infusion
Control it is more accurate, medication is safer, while it is laborsaving that nurse is also allowed more to save worry in infusion process.But either
The infusion model of traditional infusion mode or infusion pump is all that infusion flow is monitored by gravity realization, in this way
So that the length that infusion apparatus makes is longer, nor it is moved easily.Importantly, two kinds of infusion models are all not easy to medical care
Personnel and patient judge infusion flow.
Fig. 1 is traditional, and is still the group for the transfusion system that gravity is relied on used in most hospitals or clinic now
Into schematic diagram.The transfusion system include inside contain liquid medical liquid container 1 (can be polybag or vial, if
Vial needs increase air inlet port on bottle stopper), bottle plug puncture unit 2, drop pot 3, infusion tube 4, flow regulator 5, silica gel
Pipe 6 and venipuncture tool 7.The bottle stopper of medical liquid container 1 is pierced through by bottle plug puncture unit 2 so that the liquid in medical liquid container 1 can
To flow into the infusion tube 4 of 2 lower end of bottle plug puncture unit connection by gravity.It is provided with to observe liquid stream on infusion tube 4
Amount drop pot 3 (instill drop pot 3 liquid often drip for roughly the same volume), for the flow regulator 5 of regulating liquid medicine flow
(can be micro-transfusion system with a scale, actual internal area when being flowed through herein by controlling infusion tube 4, so as to control medicine
Liquid volume flow).The other end connection silicone tube 6 of infusion tube 4, the other end connection venipuncture tool 7 of silicone tube 6.It is quiet
Arteries and veins Centesis instrument 7 is used to puncture the vein blood vessel of patient, and liquid is enable to flow into the vein of patient.
Above-mentioned the shortcomings that there are problems that by the transfusion system of gravity, is with including：1) medical liquid container must be put into eminence,
Pressure differential is generated by liquid gravity, flows out liquid；2) nurse needs vertically to place drop pot, then number medicine number of drops is estimated
Medicinal liquid flow is calculated, it is time-consuming, take a lot of trouble；3) due to needing medical liquid container being suspended to eminence, so woven hose would generally be very long, material
Using more.
On the basis of the traditional transfusion systems by gravity of Fig. 1, the improved transfusion system by infusion pump will be defeated
Liquid pump is applied on medical liquid container 1, infusion tube 4 or silicone tube 6, and then instead of the effect of flow regulator 5, defeated to liquid
Noting speed can be with more precise control.But since infusion pump machine is in itself it is possible that failure, causes transfusion speed to lose
Control causes malpractice, in order to avoid the generation of such case, drop pot 3 is still equipped in transfusion system, and dripped during use
Pot 3 necessarily is in vertical direction.In use, under the effect of gravity, according to correlation properties such as tension of liquid drop itself and density,
Liquid falls into drop pot 3 with every roughly the same volume of drop.When infusion pump sets parameter, when being worked, the drop number that will detect
Flow is converted to by program, is compared with set flow, judges whether infusion pump work is normal, ensures that defeated
The safety of liquid process and accurate.
Above-mentioned the shortcomings that there are problems that by the transfusion system of infusion pump, is with including：1) it still needs vertically to play drop pot
Come, infusion flow is detected by liquid stalagmometer number, therefore in emergency circumstances can be very inconvenient in mobile or field rescue etc.；
2) still medical liquid container is hung up, so woven hose still can be very long, materials'use is more.
Therefore, the transfusion system of the prior art, either by gravity still by infusion pump, monitoring and control flow
It is required for the method by few drops of numbers.It is not only time-consuming and laborious in this way, and the accuracy of flow measurement is not also high.
Utility model content
The purpose of this utility model be to provide it is a kind of conveniently, the transfusion system of accurate measurements infusion flow, can save
When, it is laborsaving, save worry, and accurately monitor patient fluid infusion during flow.
In order to achieve this, basis embodiment in, the utility model provide one kind can conveniently, accurate measurements infusion
The transfusion system of flow, the transfusion system include the medical liquid container and woven hose that contain liquid that are connected to each other, Yi Jishe
It is placed on woven hose and is used for the flow monitoring device of monitoring transfusion flow,
The vein blood vessel of the woven hose other end connection patient, so that the liquid can flow into the quiet of patient
Arteries and veins；
Wherein：
The liquid that the flow monitoring device includes shell and set gradually along the flow direction of liquid inside the shell enters
Mouth, spool, elastomeric element, medicine liquid outlet,
There are trepanning is equipped among gap and/or the spool between the spool and the shell, so that institute
The liquid stated can flow through the flow monitoring device.
In a preferred embodiment, the utility model offer is a kind of conveniently, accurate measurements infusion flow defeated
Liquid system, wherein the medical liquid container passes through the bottle plug puncture unit connection woven hose.
In a preferred embodiment, the utility model offer is a kind of conveniently, accurate measurements infusion flow defeated
Liquid system, wherein the woven hose connects the vein blood vessel of patient by venipuncture tool.
In a preferred embodiment, the utility model offer is a kind of conveniently, accurate measurements infusion flow defeated
Liquid system, wherein being carved with flow scale on the shell.
In a preferred embodiment, the utility model offer is a kind of conveniently, accurate measurements infusion flow defeated
Liquid system, wherein the shell and the cross section of the spool are round or other shapes.
In a preferred embodiment, the utility model offer is a kind of conveniently, accurate measurements infusion flow defeated
Liquid system, wherein the cross section of the trepanning is round or other shapes.
In a preferred embodiment, the utility model offer is a kind of conveniently, accurate measurements infusion flow defeated
Liquid system, wherein the flow monitoring device further includes O-ring, the trepanning can be with medicinal liquid flow size variation for aperture
Trepanning,
The O-ring is arranged in the gap, for being sealed between the spool and the shell.
In a preferred embodiment, the utility model offer is a kind of conveniently, accurate measurements infusion flow defeated
Liquid system wherein the transfusion system further includes flow setting device, is arranged on the woven hose, defeated for setting
Flow quantity.
In a kind of more preferred embodiment, the utility model provide one kind can conveniently, accurate measurements infusion flow
Transfusion system, wherein the flow set of the flow setting device ranging from 0-500ml/h.
In a kind of more preferred embodiment, the utility model provide one kind can conveniently, accurate measurements infusion flow
Transfusion system, wherein the flow setting device be fine tuning infusion apparatus with a scale.
In a preferred embodiment, the utility model offer is a kind of conveniently, accurate measurements infusion flow defeated
Liquid system wherein the transfusion system further includes infusion pump, is acted on medical liquid container or woven hose, so that liquid is not borrowed
Gravity is helped to may also flow into patient vessel.
In a preferred embodiment, the utility model offer is a kind of conveniently, accurate measurements infusion flow defeated
Liquid system wherein the transfusion system further includes pressure applying means, applies for the liquid into the medical liquid container
Constant pressure, so that liquid not may also flow into patient vessel by gravity.
The beneficial effects of the utility model are, using the utility model conveniently, accurate measurements infusion flow it is defeated
Liquid system, can it is time saving, laborsaving, save worry, and accurately monitor patient fluid infusion during flow.
Using the utility model conveniently, the transfusion system of accurate measurements infusion flow, foregoing background skill can be overcome
The prior art described in art part is by gravity and by various shortcomings and problem existing for the transfusion system of infusion pump.
The term " infusion pump " used in the utility model is typically control device mechanically or electrically, it is by acting on
Woven hose or medical liquid container achieve the purpose that control transfusion speed.Particularly with the infusion of some specific drugs and some spies
Different patient, such as heart disease patients, the infusion of old young patient, due to must be strictly controlled transfusion drip speed, the phase therefore infusion pump seems
To important.There are many type of infusion pump, including capacity formula infusion pump, the fast formula infusion pump of drop etc..
Description of the drawings
Fig. 1 is the traditional of the prior art, and now still used by the defeated of gravity for most hospitals or clinic
The composition schematic diagram of liquid system.
Fig. 2 be illustrative the utility model conveniently, the signal of the composition of the transfusion system of accurate measurements infusion flow
Figure.
Fig. 3 is the amplification of flow monitoring device 4 and along the sectional view of vertical axial in Fig. 2.
Fig. 4 be illustrative the utility model conveniently, the transfusion system Chinese medicine liquid of accurate measurements infusion flow passes through
Flow monitoring device 4 area schematic (liquid between spool 8 and shell 7 there are gap 14 flow through).
Fig. 5 be illustrative the utility model conveniently, the transfusion system Chinese medicine liquid of accurate measurements infusion flow passes through
The area schematic of flow monitoring device 4 (trepanning 15 that liquid is equipped among spool 8 is flowed through).
The Force principle schematic diagram of spool 8 in the flow monitoring device that Fig. 6 is Fig. 3.
Fig. 7 to be provided with O-ring on the basis of Fig. 3, for flow monitoring device 4 in Fig. 2 of slit opening put by trepanning
It is big and along the sectional view of vertical axial.
Fig. 8 is sectional views of the Fig. 7 along line A-A.
Specific embodiment
Specific embodiment of the present utility model is further illustrated below in conjunction with attached drawing.
A kind of illustrative the utility model conveniently, the transfusion system of accurate measurements infusion flow as Figure 2-3,
Including medical liquid container 1 (for polybag or vial), bottle plug puncture unit 2, infusion tube 3, flow monitoring device 4, flow set
Device 5 and venipuncture tool 6.
Medical liquid container 1 is used to contain liquid, and by bottle plug puncture unit 2 be connected with infusion tube 3.Infusion tube 3
The other end connects the vein blood vessel of patient by venipuncture tool 6, so that liquid can flow into the vein of patient.
Flow setting device 5 is set to (for fine tuning infusion apparatus with a scale) on infusion tube 3, for setting infusion flow
(setting range 0-500ml/h).
Flow monitoring device 4 is set on infusion tube 3, including shell 7 and along flow direction of the liquid in shell 7 according to
Liquid entrance 12, spool 8, spring 10, the medicine liquid outlet 13 of secondary setting.Shell 7 and the cross section of spool 8 are circle.
Flow scale 11 is carved on shell 7.
As seen in figs. 5-6, there are set among gap 14 (this slit can be with very little) or spool 8 between spool 8 and shell 7
There is cross section for circular trepanning 15, so that liquid can flow through flow monitoring device 4.
Another illustrative the utility model conveniently, the flow monitoring of the transfusion system of accurate measurements infusion flow
Device 4 as Figure 7-8, further includes O-ring 16 on the basis of Fig. 3, and trepanning 15 can be with medicinal liquid flow size variation for aperture
Slit opening.O-ring 16 is arranged in gap 14, for being sealed between spool 8 and shell 7.
The utility model of above-mentioned example conveniently, the transfusion system of accurate measurements infusion flow in infusion, it is right
Liquid in medical liquid container 1 applies a constant pressure F, and liquid is made to be flowed into the vein of patient through infusion tube 3 from medical liquid container 1
In blood vessel.Due to there is constant pressure F, so medical liquid container 1 does not need to hang up, it is not required that make medicine by gravity
Liquid stream goes out, so the length of infusion tube 3 can reduce.Wherein constant pressure F can pass through air pressure mode or mechanical system
It realizes, it is similar to existing capacity formula infusion pump operation principle.
The utility model of above-mentioned example conveniently, the transfusion system monitoring transfusion flow of accurate measurements infusion flow
Principle it is as shown in Figure 6.
Flow scale 11 is carved on the shell 7 of flow monitoring device 4, there is spool 8 and spring 10 in shell 7.When flow is set
Determine after device 5 sets a flow, liquid flows in infusion tube 3, flows through flow monitoring device 4.Liquid is from flow monitoring
The liquid entrance 12 of device 4 flows into, and is flowed out by gap 14 or trepanning 15, then from the medicine liquid outlet 13 of flow monitoring device 4.
When liquid flows through spool 8, a thrust F can be generated to spool 8It pushes awaySo that spool 8 is moved to 13 direction of medicine liquid outlet, due to valve
Core 8 moves, so as to which spring 10 be made to generate an elastic force F to spool 8k.After spool 8 moves a distance, FIt pushes awayEqual to Fk, spool 8
Stop motion, at this point, spool bottom 9 is corresponding with some scale of flow scale 11.
After increasing by flow setting device 5 or reducing flow, the medicinal liquid flow in infusion tube 3 will increase therewith
Thrust F big or reduce, that the spool 8 of flow monitoring device 4 is subject toIt pushes awayAlso can change therewith, the distance for finally moving spool 8
It is different.The distance is positively correlated relationship with setting uninterrupted, so user can pass through FIt pushes awayEqual to FkWhen 8 position phase of spool
Corresponding flow scale 11 reads uninterrupted.On this basis, it can be determined that whether flow monitoring device 4 fails and work standard
Really, nurse can conveniently whether monitoring transfusion process be safe at any time.
On this basis, the spool 8 on flow monitoring device 4 can also be sealed by an O-ring 16 with shell 7,
Trepanning 15 on spool 8 can be a slit opening.When liquid flows through slit opening under a certain pressure, slit opening is small
Side can accordingly open；When the increase of liquid pressure (i.e. flow increases), the degree that the small side of slit opening is opened also increases,
Actual internal area increases, so as to flow through more liquids；Meanwhile spool 8 can also move corresponding distance, by shell 7
Flow scale 11 carry out reading.In this way so that liquid by range of flow it is wider.
Flow monitoring device 4 can be any direction when in use.It, be by because while spool 8 is when liquid flows through
Multiple power (including gravity, buoyancy, liquid viscous force, spring pressure etc.), but due to the small volume of flow monitoring device 4 itself, valve
8 making material density of core also very little, and 3 Chinese medicine liquid of infusion tube is flowed by pressure, so gravity, buoyancy, liquid viscous force
The effects that power can ignore, it is only necessary to the thrust and spring force that liquid medicine flow generates are considered, so entire flow monitoring device 4
Accuracy of reading influenced very little by 4 direction of flow monitoring device.
Obviously, those skilled in the art can carry out the utility model various modification and variations without departing from this practicality
Novel spirit and scope.In this way, if the utility model claims are belonged to these modifications and variations of the present invention
And its within the scope of equivalent technology, then the utility model is also intended to include these modifications and variations.Above-described embodiment or
Embodiment is to the utility model for example, the utility model can also be with other ad hoc fashions or other spies
Setting formula is implemented, without departing from the main idea or substantive characteristics of the utility model.Therefore, the embodiment of description is come in terms of any
See be regarded as it is illustrative and non-limiting.The scope of the utility model should be illustrated by appended claims, any with weighing
The variation that the intention and range of profit requirement are equivalent should also be included in the scope of the utility model.
Claims (10)
1. it is a kind of conveniently, the transfusion system of accurate measurements infusion flow, include the liquid for the containing liquid appearance being connected to each other
Device and woven hose and be set on woven hose be used for monitoring transfusion flow flow monitoring device,
The vein blood vessel of the woven hose other end connection patient, so that the liquid can flow into the vein of patient；
It is characterized in that：
The flow monitoring device includes shell and the liquid entrance, the valve that are set gradually along the flow direction of liquid inside the shell
Core, elastomeric element, medicine liquid outlet,
There are trepanning is equipped among gap and/or the spool between the spool and the shell, so that described
Liquid can flow through the flow monitoring device.
2. transfusion system according to claim 1, it is characterised in that：The medical liquid container is connected by bottle plug puncture unit
The woven hose.
3. transfusion system according to claim 1, it is characterised in that：The woven hose is connected by venipuncture tool
The vein blood vessel of patient.
4. transfusion system according to claim 1, it is characterised in that：Flow scale is carved on the shell.
5. transfusion system according to claim 1, it is characterised in that：The shell and the cross section of the spool are
It is round.
6. transfusion system according to claim 1, it is characterised in that：The cross section of the trepanning is circle.
7. transfusion system according to claim 1, it is characterised in that：The flow monitoring device further includes O-ring, institute
The trepanning stated for aperture can with the trepanning of medicinal liquid flow size variation,
The O-ring is arranged in the gap, for being sealed between the spool and the shell.
8. transfusion system according to claim 1, it is characterised in that：The transfusion system further includes flow set dress
It puts, is arranged on the woven hose, for setting infusion flow.
9. according to any transfusion systems of claim 1-8, it is characterised in that：The transfusion system further includes infusion
Pump, acts on medical liquid container or woven hose, so that liquid not may also flow into patient vessel by gravity.
10. according to any transfusion systems of claim 1-8, it is characterised in that：The transfusion system further includes pressure
Bringing device applies constant pressure for the liquid into the medical liquid container, so that liquid can also not flowed by gravity
Enter patient vessel.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720431871.8U CN207493022U (en) | 2017-04-24 | 2017-04-24 | It is a kind of conveniently, the transfusion system of accurate measurements infusion flow |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720431871.8U CN207493022U (en) | 2017-04-24 | 2017-04-24 | It is a kind of conveniently, the transfusion system of accurate measurements infusion flow |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107007907A (en) * | 2017-04-24 | 2017-08-04 | 北京来普惠康医学技术有限公司 | It is a kind of conveniently, the transfusion system of accurate measurements infusion flow |
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- 2017-04-24 CN CN201720431871.8U patent/CN207493022U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107007907A (en) * | 2017-04-24 | 2017-08-04 | 北京来普惠康医学技术有限公司 | It is a kind of conveniently, the transfusion system of accurate measurements infusion flow |
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