CN106039471B - A kind of accurate quantification infusion device - Google Patents
A kind of accurate quantification infusion device Download PDFInfo
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- CN106039471B CN106039471B CN201610427703.1A CN201610427703A CN106039471B CN 106039471 B CN106039471 B CN 106039471B CN 201610427703 A CN201610427703 A CN 201610427703A CN 106039471 B CN106039471 B CN 106039471B
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- 238000001802 infusion Methods 0.000 title claims abstract description 39
- 238000011002 quantification Methods 0.000 title claims abstract description 28
- 239000012530 fluid Substances 0.000 claims abstract description 57
- 230000003068 static effect Effects 0.000 claims abstract description 37
- 239000007788 liquid Substances 0.000 claims description 27
- 239000003814 drug Substances 0.000 claims description 22
- 239000000463 material Substances 0.000 claims description 14
- 241001411320 Eriogonum inflatum Species 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 230000010412 perfusion Effects 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 3
- 229940079593 drug Drugs 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 239000011111 cardboard Substances 0.000 claims description 2
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- 238000010586 diagram Methods 0.000 description 3
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 208000036029 Uterine contractions during pregnancy Diseases 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 241000446313 Lamella Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
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- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
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- 239000007799 cork Substances 0.000 description 1
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- 239000003792 electrolyte Substances 0.000 description 1
- 210000003754 fetus Anatomy 0.000 description 1
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- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
- A61M5/16804—Flow controllers
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
- A61M5/16831—Monitoring, detecting, signalling or eliminating infusion flow anomalies
- A61M5/1684—Monitoring, detecting, signalling or eliminating infusion flow anomalies by detecting the amount of infusate remaining, e.g. signalling end of infusion
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
- A61M5/16877—Adjusting flow; Devices for setting a flow rate
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
- A61M5/16886—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body for measuring fluid flow rate, i.e. flowmeters
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M2005/1401—Functional features
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/18—General characteristics of the apparatus with alarm
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3331—Pressure; Flow
- A61M2205/3334—Measuring or controlling the flow rate
Landscapes
- Health & Medical Sciences (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
A kind of accurate quantification infusion device can allow the use such as existing infusion kits, including medical fluid syringe needle, venous needle and transfer line, can accurately control to the drip velocity for making medical fluid；The accurate quantification infusion device includes the introduction part and leading-out portion of medical fluid, and the fast adjuster of a drop is connected between the introduction part and leading-out portion；The drop speed adjuster includes a static plate and a rotor plate of two overlappings, and wherein the static plate is equipped with through-hole, which is covered in the through-hole；The angle of rotation for controlling the rotor plate makes the through-hole constitute the medical fluid through hole of different cross-sectional, realizes the step-less adjustment of drip velocity.Accurate quantification infusion device of the invention can realize accurately drip velocity adjusting and step-less adjustment, have safe and reliable characteristic.
Description
Technical field
The present invention relates to a kind of medical treatment consumptive materials, especially a kind of device that precisely can quantitatively adjust transfusion speed.
Background technique
Infusion apparatus makes the medical treatment consumptive materials for being mainly used for venous transfusion always, and half is by intravenous needle, helmet, infusion tube, medicine
The connections compositions such as liquid filter, flow regulator, drop pot, bottle stopper syringe needle, air inlet pipe and air filter.In use, in atmosphere
Under pressure effect, the medical fluid in high-order medicinal liquid bottle flows into thinner perfusion tube and forms water column, when water column pressure is greater than quiet
When pulse pressure, the medical fluid in bottle continues and steadily flows into vein, to supplement body fluid, electrolyte or provide nutriment.But very
In more situations, the drip velocity needs of infusion are adjusted and control, to be adapted to different crowds and different medical fluid/illnesss,
Such as the requirement of child, old man, pregnant and lying-in women to drip velocity is all different, to the use of special urgent patient with greater need for especially small
The heart, the too fast often heart of drip velocity are difficult to bear, and may cause life danger.Such as clinical pregnant and lying-in women's instillation oxytocins
In the process, the heartbeat and uterine contraction situation for generally requiring close observation fetus, if the uterine contraction of pregnant and lying-in women is obvious, and the instillation of oxytocins
Excessive velocities are then likely to result in the complication such as fetal asphyxia, are all than relatively hazardous for pregnant and lying-in women.In addition, high hang
Formula inject when easily lead to due under healthcare givers or the careless situation of patient blood backflow phenomenon, especially medical fluid incited somebody to action
It closely drips off, is easy to fatigue when needing healthcare givers to be monitored constantly, and manually monitoring, and high hanging injection is inconvenient for use.
Furthermore existing flow regulator mainly passes through extruding infusion tube, and the sectional area for changing infusion tube comes in fact
It is existing, such as using squeezing tubes such as only binders, but when this method adjusting drip velocity, since hose is easily deformable and is adhered,
It is easy to be adhered together after being squeezed flattening, can not play and in time, accurately adjust；Meanwhile existing flow regulator is main
Dependence, which is manually adjusted with eye-observation, to judge and holds, and there is also very big errors.
It to sum up states, there is also many deficiencies for infusion apparatus at present.
Summary of the invention
In order to solve the above-mentioned technical problems, the present invention provides the devices that one kind precisely can quantitatively adjust transfusion speed, can
Arrange in pairs or groups existing infusion kits, including medical fluid syringe needle, venous needle and transfer line etc. use, can be to the drip velocity for making medical fluid
It accurately controls；
Wherein, which includes the introduction part and leading-out portion of medical fluid, the introduction part and leading-out portion it
Between connection one drop speed adjuster；The drop speed adjuster includes a static plate and a rotor plate of two overlappings, and wherein this is static
Plate is equipped with through-hole, which is covered in the through-hole；The angle of rotation for controlling the rotor plate makes the through-hole constitute different cross-sectional
Medical fluid through hole realizes the step-less adjustment of drip velocity.
In one feasible embodiment, in the top of the drop speed adjuster, which includes the imported parts of the medical fluid
One shell, and the syringe needle among shell, the syringe needle upper end are equipped with the introducing port of medical fluid and protrude from the shell
The top in portion, the upper end periphery of the shell radially form several elastic snap-gauges centered on the syringe needle；When the syringe needle is inserted
Enter to medicine bottle stopper, which is elastically deformable to and restores deformation
Process, the elastic card board play the role of and medicine bottle secure bond in the periphery of the medicine bottle bottle neck.
Since accurate quantification infusion device of the invention contains the components such as the fast adjuster of drop, syringe needle, make to have
Biggish weight takes off from transfusion bottle when accurate quantification infusion device of the invention relies only on syringe needle insertion bottle stopper load-bearing in order to prevent
Fall, designed by aforementioned structure, can make the syringe needle be inserted into transfusion bottle bottle neck cork in while, connect by with shell
Entire accurate quantification infusion device can be integrated on transfusion bottle bottle neck by the several elastic snap-gauges connect.
In one feasible embodiment, which further includes a micromotor, which has one
A drive shaft, the drive shaft are fixedly connected with the rotor plate, which is equipped with a counterbore；One end of the drive shaft passes through
The rotor plate and be located in the counterbore or the rotor plate integrally extends a pillar, which is located in the counterbore；Again or
The static plate is equipped with the axis combined for the rotor plate, and the upper end of the axis is inserted in the drive shaft.
In one feasible embodiment, which is a fan annular open-work centered on the counterbore, which is
One fanning strip centered on the counterbore；Or the through-hole is a width gradually smaller open-work from one end to the other end,
The rotor plate corresponds to the open-work equipped with an interception hole, and the extending direction in the interception hole intersects with the extending direction of the through-hole.
In one feasible embodiment, the micromotor abuts an adjustable spring, and the other end of the adjustable spring supports
The upper surface for connecing the rotor plate abuts the rotor plate always with the static plate Chong Die；Or the rotor plate uses soft rubber
The medical flexible material such as glue, silica gel material is made.
By adjustable spring compress or the rotor plate is using flexible material, can avoid existing in static plate and rotor plate
The short transverse of overlapping forms gap, so that medical fluid be made to pass through from gap, and flows out from the through-hole in the static plate, makes medicine
Accuracy is lost in the adjusting of liquid.Especially flexible material can be tightly attached in static plate after being infiltrated, and be prevented from static
Medical fluid is flowed out in the lap clearance of plate and rotor plate.
In one feasible embodiment, which further includes a micromotor, the minitype motor driving one
Driving gear rotation；One end of the rotor plate rotationally rivets together with the static plate, and the outer side edges of the rotor plate are formed
The tooth edge being meshed with main rotation gear；By riveted construction, make the rotor plate and static plate against overlapping.
In one feasible embodiment, which is located at the lower section of the drop speed adjuster, which includes a liquid
Bucket, and the working area below the liquid bucket；The liquid bucket, which is collected, goes out the medical fluid leaked out by the drop speed adjuster, and by the liquid bucket
It is directed into the working area, forms at least one transparent form around the working area；The working area bottom of the medical fluid is equipped with
Hide glue plug.
The present invention has fully considered the universal adaptability of the accurate quantification infusion device, not to existing transfusion bottle, garter, defeated
Liquid pipe etc. carries out any transformation, so that it may be directly connected to accurate quantification infusion device of the invention, not need to existing infusion
Apparatus carries out any improvement, and material resources is avoided to waste.
In one feasible embodiment, a drop speed measuring device is equipped with outside the working area；The drop speed measuring device packet
Include a signal generator and a signal sensor, the opposite sides of the signal generator and the signal sensor working area,
And the transmitting and detection of signal are carried out by the transparent form.
In one feasible embodiment, which further includes a controller, a wireless transport module
And a power supply, the power supply power supply give the micromotor, controller, drop speed measuring device；The micromotor, the drop test the speed
Device, the wireless transport module signal connect the controller, which can be used in transmitting liquid drop speed to outside,
Or the control instruction outside receiving.
The drop speed measuring device can also measure whether the medical fluid in transfusion bottle has dripped off, and issue change to medical staff in time
The prompting of medicine bottle simultaneously closes off the medical fluid through hole for dripping fast adjuster, waits dressing, very humanized.
The wireless transport module can connect the remote controler with liquid crystal display, can be grasped in time by remote controler
The drip velocity of medical fluid or the instruction that drip velocity can be set by remote controler, the instruction of setting are sent to wireless transmission
Module reaches controller, the start and stop of the micromotor is controlled by controller；Realize the step-less adjustment and precisely control of drip velocity
System.
In one feasible embodiment, the fast adjuster of introduction part, drop of the medical fluid, leading-out portion three parts are dismountable
In conjunction with, and sealing rubber ring is equipped at binding site.The composite structure of three parts makes any a part can be carried out changeing,
Sealing rubber ring can keep the pollution for being not exposed to outside of internal environment.
It to sum up states, technical effect of the invention includes:
(1), accurate quantification infusion device of the invention, it can be achieved that precisely, the drip velocity of infinitely regulating liquid medicine, have
Safe and reliable characteristic.
(2), the invention also includes drop speed measuring devices, not only can set target according to the empirical value of medical staff and instil
Speed is sent to controller by wireless transport module, and by the angle of rotation of controller control micromotor, Lai Shixian medical fluid passes through
The step-less adjustment of the size in hole；Simultaneously by the drop speed measuring device, it can also warn whether medical fluid has been finished.
(3), accurate quantification infusion device of the invention is applicable to current existing infusion apparatus, without to inventory
It improves, avoids the waste of existing material, there is universal adaptability.
Detailed description of the invention
Fig. 1 is the working state figure of accurate quantification infusion device in a preferred embodiment of the present invention.
Fig. 2 is the cross-sectional view that accurate quantification infusion device shows internal structure in embodiment illustrated in fig. 1.
Fig. 3 A is the cross-sectional view of the fast adjuster of drop of accurate quantification infusion device in embodiment illustrated in fig. 2.
Fig. 3 B is partial structurtes (rotor plate and static plate) top view that fast adjuster is dripped in Fig. 3 A.
Fig. 4 is the schematic diagram of accurate quantification infusion device display controller in embodiment illustrated in fig. 1.
Fig. 5 is sectional view of the Fig. 4 along the direction S-S, shows drop speed measuring device.
Fig. 6 is another embodiment schematic diagram different from the fast controller structure of drop shown in Fig. 3 A and Fig. 3 B.
Specific embodiment
Technological improvement and technical effect of the invention for ease of description, now with the progress of specific embodiment shown in Fig. 1-6
Explanation.
Fig. 1 is the working state figure of accurate quantification infusion device in a preferred embodiment of the present invention.Accurate quantification infusion
Device connects below transfusion bottle 6, and the leading-out portion 33 for being successively arranged the introduction part 31 of medical fluid, dripping fast adjuster 32 and medical fluid is exporting
Perfusion tube and transfusion needle 5 are connected below portion 33.
For the internal structure for clearly illustrating accurate quantification infusion device shown in Fig. 1, incorporated by reference to shown in Fig. 2.Introduction part 31
Including a shell 311, shell 311 forms a rounded cylindrical, and a middle partition 312 is equipped among shell 311,
One syringe needle 313 is fixed in this on partition, and the top of syringe needle 313 projects to 311 top of shell, in syringe needle 313
Top is additionally provided with the introducing port 3134 of a medical fluid, when the syringe needle 313 is inserted into the bottle stopper of transfusion bottle 6, the medical fluids such as oxytocins
Into the introducing port 3134.Further, it is also possible to connect liquid medicine catheter 314 in 313 lower end of syringe needle.
Wherein, shown in Figure 2, the top periphery in shell 311 is radially extended centered on the syringe needle 313
Several elastic snap-gauges 315 are formed, there is profile groove between adjacent elastic snap-gauge 315, the end of elastic snap-gauge 315 is around the syringe needle
Around 313, and certain spacing is maintained with the syringe needle 313.During the syringe needle 313 is inserted into medicine bottle stopper, this is several
Elastic snap-gauge 315 occurs flexible deformation however restores deformation, finally, several elasticity due to the extruding by drug bottle neck
Snap-gauge 315 is stuck in the periphery of the medicine bottle bottle neck.There is the ring rib of protrusion at the bottle neck of current many transfusion bottles, or has the bottle cap of protrusion
Outer peripheral edge；Whereby, can play the role of preventing accurate quantification to be infused accurate quantification infusion device and medicine bottle bottle neck secure bond
Device falls off.
Then it combines shown in Fig. 2 and Fig. 3 A, Fig. 3 B, is connected to drip fast adjuster 32 in 31 bottom end of introduction part.Drop speed
Adjuster also includes a shell 321, which surrounds a rounded cylindrical, and a motor branch is equipped among shell 321
The periphery of fagging 322 and a static plate 323, static plate 323 and motor support plate 322 is connect with the shell 321.Static
A rotor plate 324 is overlapped above plate 323, static plate 323 is equipped with a through-hole 3231, which can just be covered in
The through-hole 3231.A micromotor 325 is fixed in the motor support plate 322, micromotor 325 stretches out a drive shaft
3251.Drive shaft 3251 connects rotor plate 324, and rotor plate 324 can be driven to rotate synchronously, make the area for being covered in the through-hole 3231
The sectional area for the through-hole 3231 for changing, and exposing also changes.As shown in Figure 3B, which is a fan
Shape plate, the through-hole 3231 are a fan annular perforations.When the rotor plate 324 rotates clockwise, which exposes
Hole sectional area be gradually increased, and when rotor plate 324 rotates backward, which is gradually completely covered.The through-hole 3231
The part for being exposed to the rotor plate 324 constitutes the medical fluid through hole of different cross-sectional, realizes the step-less adjustment of drip velocity.Compared with
Good, a counterbore can be set in the centre of static plate 323, and after the end of the drive shaft 3251 connection rotor plate 324, it stretches out
Outside the rotor plate 324, and it is located in the counterbore；Or a pillar is integrally extended in the lower end of the rotor plate 324, which stretches
Enter in the counterbore, and 324 upper surface of rotor plate is fixedly connected with the drive shaft 3251.It can will stretch again or in the static plate 323
A pillar out, the pillar are rotationally combined for the rotor plate 324；3251 end of drive shaft has one section of hollow region, makes
Pillar protrudes into the hollow region, and the end of drive shaft 3251 is fixedly connected with rotor plate 324.In short, in static plate 323
It is used to form except the through-hole 3231 of medical fluid passage path out, is not forming other fixation hole/combined holes etc., medicine can be prevented
Liquid influences the control accuracy of medicine liquid-dripping speed from other combined holes/fixation hole leakage.
As a deformation of above structure, micromotor 325 drives 324 rotating manner liquid of rotor plate that can be not limited to drive
Moving axis 3251 binds directly the mode of rotor plate 324.Turn for example, also a master can be arranged in an outer side edges of the rotatable lamella 324
Moving gear, the corresponding main rotation gear of rotor plate 324 are equipped with engaging tooth.At this time can one end by rotor plate 324 far from the gear with
Static plate 323 directly rivets together, and forms rotation and combines.Micromotor 325 can drive main rotation gear to rotate, engaged transmission
Rotor plate 324 rotates, and can also form the effect of rotor plate 324 and the relative rotation of static plate 323.
Then it combining shown in Fig. 2 and Fig. 3 A, the liquid medicine catheter 314 of introduction part 31 extends across the motor support plate 322,
Reach the static plate 323 and the top of rotor plate 324, can the medical fluids such as oxytocins imported into 3231 top of through-hole.Due to static plate 323
With the plate that be two pieces Chong Die of rotor plate 324, may there can be fine gap in overlapping, medical fluid is from the slight gap in order to prevent
Leakage, enters in through-hole 3231, influences the control precision of medicine liquid-dripping speed.A preferred embodiment party of the invention
Formula, rotor plate 324 are made of the medical flexible material such as soft rubber, silica gel material, and the characteristic of these materials is, by medical fluid
It can tightly be attached in static plate 323 by liquid your viscosity etc., prevent aforementioned medical fluid from the slight gap after water infiltration
The case where leakage, occurs；And another kind is preferably, in drive shaft 3251 outer sheath, one flexible bullet of micromotor 325
Spring 326, the adjustable spring 326 can tightly be pressed on the upper surface of rotor plate 324, prevent 324 edge curl of rotor plate or tilting, shape
At the gap of Drug leakage.As shown in Figure 2, which is against in motor support plate 322, and the other end is against
On rotor plate 324.Aforementioned two kinds of embodiments, also combinable use.
For another example it combines shown in Fig. 2 and Fig. 3 A, is dripping the leading-out portion 33 for being connected to medical fluid below fast adjuster 32.The leading-out portion
33 include a shell 331, which is hollow structure, which is preferably high transparency material and is made.In shell 331,
A liquid bucket 332 is equipped with below the corresponding through-hole 3231.Liquid bucket 332 can connect shape with 322 bottom end of shell for dripping fast adjuster 32
Integrally, it can also be combined together with the inner wall of the shell 331 of leading-out portion 33.A medical fluid is also connected with below liquid bucket 332
Working area 333.Liquid bucket 332 is cone, collects the medical fluid from 3231 water clock of through-hole, and be pooled to the bottom of liquid bucket 332
Portion enters working area 333 using dripping hole 3321.Working area 333 is the circular cylindrical cavity with certain altitude, should
The form that working area 333 is partly or entirely formed for transparent material, or it is equipped at least one transparent window 3331.Pass through form
3331 are observed that the speed of drop, can also calculate the speed of the drop by speed measuring device, also can be used as a transfusion bottle
In medical fluid be finished after a caching link.Working area 333 bottom be equipped with medical fluid export mouth, the export mouth for
It is connected to perfusion tube.Alternatively, the rubber rubber plug is easy by syringe needle it is furthermore preferred that 333 bottom of medical fluid working area is equipped with rubber rubber plug
It punctures and connects common perfusion tube, export medical fluid.Make accurate quantification infusion device that can be universally applied to now all of hang
Bottle, garter and perfusion tube etc. do not need to carry out special transformation to existing infusion kits, will not cause waste of material.
In conjunction with shown in Fig. 4, Fig. 5, which is externally provided with a drop speed measuring device 40；Its working area 333 is equipped with extremely
Few one group of symmetrical two transparent window 3331, one signal generator 41 of one of two transparent windows 3331 face,
Another one transparent window 3331 face, one signal sensor 42；The signal generator 41 can be RF transmitter, letter
Number detector 42 is infrared receiver, whenever thering is drop to pass through in working area 333, detection that signal generator 41 issues
Signal can change, which can be detected by signal sensor 42, and signal generator 41 and signal sensor 42 are constituted and be somebody's turn to do
Drop speed measuring device 40.A controller 43 and power supply 44, a wireless transmission mould are additionally provided in the periphery in working area 333
Block 45.Power supply 44 gives the power supply such as micromotor 325, controller 43, wireless transport module 45, drop speed measuring device 40, and wireless
Transmitting-receiving of the signal transmission module 45 for the wireless signal between computer system.The drop speed measuring device 40, this is wireless biography
Defeated module 45,325 signal of micromotor connect the controller 43.Controller 43 can control the start and stop of micromotor 325, drop to survey
Speed variator 40 feeds back the actual speed of drop, and is fed back to controller 43, controller 43 according to preset liquid drop speed with
The difference of actual speed forms the control instruction to micromotor 325, while also further passing through wireless signal transmission module 45,
The actual speed of drop is transferred to the display or remote controler or communicating terminal of an outside, makes medical staff or family members timely
It is no empty close to drop to grasp medical fluid, needs dressing.Drop speed measuring device 40, controller 43, power supply 44 etc. are mountable in leading-out portion
33 331 inside of shell, is arranged on the outside of working area 333；And wireless signal transmission module 45 is then mountable outside shell 331
Side.External remote controler can input according to the empirical value of doctor and set some threshold values, these parameters are formed with threshold value
Comparison；When exceeding threshold value, sounded an alarm to medical staff.
Preferably, three parts of accurate quantification infusion device, the introduction part 31 of medical fluid drip fast adjuster 32 and medical fluid
33 3 parts of leading-out portion by clamping, being spirally connected detachably links together, and can according to need, change/sterilize portion therein
Separation structure.Be equipped with seal gasket in 331 junction of shell of the shell 321 and leading-out portion 33 that drip fast adjuster 32, with protection from
The medical fluid that medical fluid through hole is fallen is not by the pollution of environment.
Fig. 6 is the schematic diagram of another embodiment.In the present embodiment, the difference with Fig. 1-5 described embodiment is only that
" specific structure for dripping fast adjuster " in the present embodiment is different from dripping the specific structure of fast adjuster shown in Fig. 3 A and Fig. 3 B.
Through-hole 3231 ' set by the static plate 323 ' is a width from a starting point S to the gradually smaller open-work of terminal E, the rotation
The open-work is corresponded on plate 324 ' equipped with an interception hole 3241 ', extending direction and the through-hole 3231 ' in the interception hole 3241 '
Extending direction intersects, and in 324 ' rotation process of rotor plate, which can intercept in order leads in the static plate 323 '
The different parts in hole 3231 ', since through-hole 3231 ' is the open-work of a width gradual change, different parts it is of different size, so together
The medical fluid through hole that sample can be gradually changed with Formation cross-section product, realizes the step-less adjustment of drop drop speed.
The above is only illustrating for present pre-ferred embodiments, not as the limit to scope of the claimed of the present invention
System.In every case without departing from other deformations and modification of spirit of that invention, it will be appreciated that ground is all included within protection scope of the present invention.
Claims (5)
1. a kind of accurate quantification infusion device can allow existing infusion kits, including medical fluid syringe needle, venous needle and perfusion tube
Line etc. uses, and can accurately control to the drip velocity for making medical fluid；Wherein, which includes the importing of medical fluid
Portion and leading-out portion connect the fast adjuster of a drop between the introduction part and leading-out portion；The introduction part is dripped fast adjuster and is led
Portion separately includes a shell out, and is linked together between three shells by being clamped or being spirally connected, and set at binding site
There is sealing rubber ring；
Be equipped with a motor support plate and a static plate in the shell of the drop speed adjuster, static plate and motor support plate it is outer
The outer casing inner wall of the Zhou Junyu drop speed adjuster connects, and a rotor plate is overlapped above the static plate, which is located at should
Between static plate and motor support plate, the medical fluid imported from the introduction part extends across the motor support by liquid medicine catheter
Plate reaches above the static plate and rotor plate；
One micromotor is installed, which stretches out a driving to the direction of the static plate in the motor support plate
Axis；The static plate is equipped with a counterbore；One end of the drive shaft passes through the rotor plate and is fixedly connected with the rotor plate, should
Drive shaft is out of, the static plate is protruded into the end that the rotor plate is pierced by counterbore；One is equipped with below the motor support plate to stretch
Spring, which is sheathed on the outside of the drive shaft, and its lower end abuts the upper surface of the rotor plate；
It is additionally provided with through-hole in the static plate, which is covered in the through-hole；The rotation is driven by the drive shaft of the micromotor
The rotation of plate makes the through-hole constitute the medical fluid through hole of different cross-sectional, realizes the step-less adjustment of drip velocity；And it is described flexible
Spring is persistently pressed on the upper surface of the rotor plate, then the rotor plate is cooperated to be made of medical flexible material, makes this turn
It is seamless applying as much as possible between movable plate and static plate, to realize the accurate adjusting of medical fluid drop speed.
2. a kind of accurate quantification infusion device according to claim 1, characterized in that the imported parts of the medical fluid is in the drop
The top of fast adjuster, the introduction part include a shell, and the syringe needle among shell, the syringe needle upper end are equipped with
The introducing port of medical fluid and the top for protruding from the shell, the upper end periphery of the shell radially shape centered on the syringe needle
At several elastic snap-gauges；During the syringe needle is inserted into medicine bottle stopper, the extruding of several elastic snap-gauges by drug bottle neck,
It is elastically deformable to the process for restoring deformation, the elastic card board is played and fixed with medicine bottle in the periphery of the medicine bottle bottle neck
In conjunction with effect.
3. a kind of accurate quantification infusion device according to claim 1, characterized in that the through-hole is one and is with the counterbore
The fan annular open-work at center, the rotor plate are a fanning strip centered on the counterbore；Or the through-hole be a width by
To the gradually smaller open-work of the other end, which corresponds to the open-work equipped with an interception hole, the extension side in the interception hole for one end
Intersect to the extending direction with the through-hole.
4. a kind of accurate quantification infusion device according to claim 1-3, characterized in that the leading-out portion is located at should
The lower section of fast adjuster is dripped, which includes a liquid bucket, and the working area below the liquid bucket；The liquid bucket collect by
The drop speed adjuster goes out the medical fluid leaked out, and is directed into the working area by the liquid bucket, forms at least one around the working area
Transparent form；The working area bottom of the medical fluid is equipped with hide glue plug.
5. a kind of accurate quantification infusion device according to claim 4, characterized in that be equipped with a liquid outside the working area
Drip speed measuring device；The drop speed measuring device includes a signal generator and a signal sensor, the signal generator and letter
The opposite sides in number detector working area, and pass through transmitting and detection that the transparent form carries out signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610427703.1A CN106039471B (en) | 2016-06-16 | 2016-06-16 | A kind of accurate quantification infusion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610427703.1A CN106039471B (en) | 2016-06-16 | 2016-06-16 | A kind of accurate quantification infusion device |
Publications (2)
| Publication Number | Publication Date |
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| CN106039471A CN106039471A (en) | 2016-10-26 |
| CN106039471B true CN106039471B (en) | 2019-07-23 |
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| CN201610427703.1A Expired - Fee Related CN106039471B (en) | 2016-06-16 | 2016-06-16 | A kind of accurate quantification infusion device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114588412B (en) * | 2022-03-31 | 2024-06-18 | 丰都县仁爱医院 | Disposable needle head treatment device based on health care |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1024895C (en) * | 1989-06-14 | 1994-06-08 | 日本医疗用品供应公司 | Flow regulator of liquid medicament input apparatus or same of blood transfusion |
| CN1273080C (en) * | 2003-01-29 | 2006-09-06 | 广州三瑞医疗器械有限公司 | Method and device for monitoring contraction activities of mother womb and controlling childbirth process |
| CN2628068Y (en) * | 2003-07-18 | 2004-07-28 | 李振奕 | Infusion drip controller |
| CN100473427C (en) * | 2005-02-04 | 2009-04-01 | 庄昌彬 | Transfusion flow regulator |
| CN201664449U (en) * | 2010-04-19 | 2010-12-08 | 李明宙 | Micro-adjuster for transfusion |
| KR101333118B1 (en) * | 2011-11-18 | 2013-11-26 | 한국기계연구원 | Linear Flow Regulating Apparatus for Intravenous Infusion |
| CN203802891U (en) * | 2014-03-19 | 2014-09-03 | 北京大学第一医院 | Obstetrics oxytocin automatic dripping adjustment device |
| CN103948988A (en) * | 2014-05-05 | 2014-07-30 | 山东建筑大学 | Venous transfusion device with driving plate type flow regulation device |
| CN204158805U (en) * | 2014-11-27 | 2015-02-18 | 扬州市明星医塑器材有限公司 | A kind of rotary Flow-rate adjustment infusion pump |
| CN204446810U (en) * | 2015-01-30 | 2015-07-08 | 苏州市立医院 | Anti-puncture needle component of uncorking the bottle |
| CN104645454A (en) * | 2015-03-12 | 2015-05-27 | 李洪升 | Medical venous transfusion monitor |
| CN204637134U (en) * | 2015-03-23 | 2015-09-16 | 蒋星美 | A kind of slip-off preventing, pull out transfusion device by mistake |
| CN204864508U (en) * | 2015-05-25 | 2015-12-16 | 美敦力公司 | Fluid passage calibrating device and fluid infusion equipment |
-
2016
- 2016-06-16 CN CN201610427703.1A patent/CN106039471B/en not_active Expired - Fee Related
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| CN106039471A (en) | 2016-10-26 |
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