CN109718426A - Transfusion control device and system, transfusion system - Google Patents
Transfusion control device and system, transfusion system Download PDFInfo
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- CN109718426A CN109718426A CN201910142004.6A CN201910142004A CN109718426A CN 109718426 A CN109718426 A CN 109718426A CN 201910142004 A CN201910142004 A CN 201910142004A CN 109718426 A CN109718426 A CN 109718426A
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Abstract
The present invention relates to technical field of medical equipment, it is proposed a kind of transfusion control device and system, transfusion system, the transfusion control device is used to control the transfusion speed of infusion device, infusion device includes the infusion tube for infusion, which includes: Coupling, regulating part, power device.Coupling is socketed on infusion tube, is provided with threaded hole on the side wall of Coupling；Regulating part includes threaded post, and threaded post is threadedly connected to threaded hole；Power device is fixedly connected on Coupling, twisting resistance is exported to threaded post for being controlled by a control signal, to adjust the depth that threaded post protrudes into Coupling.The transfusion control device that the disclosure provides can automatically adjust transfusion speed by control signal.
Description
Technical field
The present invention relates to technical field of medical equipment more particularly to a kind of transfusion control device and systems, transfusion system.
Background technique
Currently, venous transfusion is widely used in medical field as a kind of means for effectively and quickly treating disease.
During venous transfusion, speed of intravenous infusion needs to be controlled according to medicinal property and by the case where infusion receptor.
In the related technology, infusion device generally comprises: intravenous needle, needle-covering cap, infusion tube, liquid medicine filter, flow velocity
The composition such as adjuster, Murphy's dropper, bottle plug puncture unit, air filter.Flow regulator is usually roller type regulator, should
Roller type regulator is set on infusion tube, by the speed for rolling the adjustable infusion of the idler wheel manually.
In the related technology, the transfusion speed for controlling infusion device is needed by manually completing, however, flow regulator is general
On infusion tube, it is cumbersome to manually control the flow regulator.
It should be noted that the information in the invention of above-mentioned background technology part is only used for reinforcing the reason to background of the invention
Solution, therefore may include the information not constituted to the prior art known to persons of ordinary skill in the art.
Summary of the invention
The purpose of the present invention is to provide a kind of transfusion control device and systems, transfusion system.The transfusion control device energy
It is controlled by control signal automatic adjustment transfusion speed, enough so as to avoid inconvenience caused by transfusion speed is manually controlled.
Other characteristics and advantages of the invention will be apparent from by the following detailed description, or partially by the present invention
Practice and acquistion.
According to an aspect of the present invention, a kind of transfusion control device is provided, for controlling the transfusion speed of infusion device,
The infusion device includes the infusion tube for infusion, and the transfusion control device includes: Coupling, regulating part and power
Device.Coupling is socketed on the infusion tube, is provided with threaded hole on the side wall of the Coupling；Regulating part includes screw thread
Column, the threaded post are threadedly connected to the threaded hole；Power device is fixedly connected on the Coupling, for being controlled by a control
Signal processed exports twisting resistance to the threaded post, to adjust the depth that the threaded post protrudes into the Coupling.
In a kind of exemplary embodiment of the invention, the threaded hole is two, and two threaded holes are placed in wearing
The two sides of the Coupling；The regulating part is two, and the threaded post of two regulating parts is threadedly connected to respectively described in two
On threaded hole, and the direction of rotation that two threaded posts protrude into the Coupling is opposite；The power device is two, two
The depth that the power device protrudes into the Coupling for adjusting two threaded posts respectively.
According to an aspect of the present invention, a kind of transfusion control system is provided, which includes: monitoring dress
It sets, processing unit and above-mentioned transfusion control device.Monitoring device is used for the sign information of real-time monitoring human body；Processing unit
For generating control signal according to the sign information；Above-mentioned transfusion control device is used to be controlled according to the control signal defeated
Speed of the liquid device to the human transfusion.
In a kind of exemplary embodiment of the invention, the sign information includes body temperature parameter, hrv parameter and face
Image information, the monitoring device include: body-temperature monitoring device, heart rate monitoring unit and expression monitoring device.Temperature monitoring
Device is used to monitor the body temperature of the human body, and generates the body temperature parameter；Heart rate monitoring unit is for monitoring the human body
Heart rate, and generate the hrv parameter；Expression monitoring device is used to monitor the facial expression of the human body, and generates the face
Image information.
In a kind of exemplary embodiment of the invention, the processing unit includes: first processing units, second processing list
Member.First processing units are used to generate the first index according to the body temperature parameter, generate the second index according to the hrv parameter,
Third index is generated according to the facial image information；The second processing unit is used for according to first index, the second index, the
Three exponential weightings calculate transfusion speed index, and generate the control signal according to the transfusion speed index.
In a kind of exemplary embodiment of the invention, the infusion device further includes the Mo Fei for being connected to the infusion tube
Family name's dropper, the transfusion control system further include flow monitoring device, the flow monitoring device and described the second processing unit
Connection, for feeding back transfusion speed to described the second processing unit, the flow monitoring device includes: RF transmitter, red
Outer line receiver, counter and third processing unit.RF transmitter is set to the first side of the Murphy's dropper, uses
In transmitting infrared ray；Infrared receiver is set to second side of the Murphy's dropper, first side and described second side
Relatively, for receiving the infrared ray；Counter is connect with the infrared receiver, for monitoring the infrared ray by liquid
Drip the number stopped；Third processing unit is used to calculate infusion by the number of liquid droplets intercept according to infrared ray described in the unit time
Speed.
In a kind of exemplary embodiment of the invention, the processing unit further includes timer.Timer is defeated for monitoring
The liquid time；Described the second processing unit also calculates amount of infusion with according to the transfusion time and the transfusion speed, and combines
Total amount of infusion, present infusion speed calculate remaining transfusion time.
It further include playing device in a kind of exemplary embodiment of the invention.Playing device and described the second processing unit
Connection, for playing the remaining transfusion time, and for the corresponding transfusion speed of the control signal in advance less than first
If playing audio when value.
It further include warning device in a kind of exemplary embodiment of the invention.Warning device is connect with the processing unit,
For the alert when the corresponding transfusion speed of the control signal is less than the second preset value.
According to an aspect of the present invention, a kind of transfusion system is provided, which includes above-mentioned infusion control system
System and infusion device.
The present invention proposes a kind of transfusion control device and system, transfusion system, and the transfusion control device is for controlling infusion
The transfusion speed of device, infusion device include the infusion tube for infusion, which includes: Coupling, adjusts
Part, power device.Coupling is socketed on infusion tube, is provided with threaded hole on the side wall of Coupling；Regulating part includes threaded post,
Threaded post is threadedly connected to threaded hole；Power device is fixedly connected on Coupling, for being controlled by a control signal to threaded post
Twisting resistance is exported, to adjust the depth that threaded post protrudes into Coupling.On the one hand, the transfusion control device that the disclosure provides can lead to
It crosses control Signal Regulation press section and protrudes into the depth of Coupling, to adjust the degree that threaded post squeezes infusion tube, and then adjust
Save transfusion speed；On the other hand the transfusion control device structure is simple, cost is relatively low.
It should be understood that above general description and following detailed description be only it is exemplary and explanatory, not
It can the limitation present invention.
Detailed description of the invention
The drawings herein are incorporated into the specification and forms part of this specification, and shows and meets implementation of the invention
Example, and be used to explain the principle of the present invention together with specification.It should be evident that the accompanying drawings in the following description is only the present invention
Some embodiments for those of ordinary skill in the art without creative efforts, can also basis
These attached drawings obtain other attached drawings.
Fig. 1 is the structural schematic diagram of transfusion control device in a kind of exemplary embodiment of the disclosure；
Fig. 2 is the structural schematic diagram of transfusion control device in disclosure another kind exemplary embodiment；
Fig. 3 is a kind of functional block diagram of exemplary embodiment of disclosure transfusion control system；
Fig. 4 is the functional block diagram of disclosure transfusion control system another kind exemplary embodiment；
Fig. 5 is a kind of structural schematic diagram of exemplary embodiment of disclosure transfusion control system；
Fig. 6 is the functional block diagram of disclosure transfusion control system another kind exemplary embodiment；
Fig. 7 is the structural schematic diagram of disclosure transfusion control system another kind exemplary embodiment；
Fig. 8 is the functional block diagram of disclosure transfusion control system another kind exemplary embodiment；
Fig. 9 is the functional block diagram of disclosure transfusion control system another kind exemplary embodiment.
Specific embodiment
Example embodiment is described more fully with reference to the drawings.However, example embodiment can be real in a variety of forms
It applies, and is not understood as limited to example set forth herein；On the contrary, these embodiments are provided so that the present invention will more comprehensively and
Completely, and by the design of example embodiment comprehensively it is communicated to those skilled in the art.Identical appended drawing reference indicates in figure
Same or similar structure, thus the detailed description that them will be omitted.
Although the term of relativity, such as "upper" "lower" is used to describe a component of icon for another in this specification
The relativeness of one component, but these terms are in this manual merely for convenient, for example, with reference to the accompanying drawings described in show
The direction of example.It is appreciated that, if making it turn upside down the device overturning of icon, the component described in "upper" will
As the component in "lower".Term of other relativities, such as "high" " low " "top" "bottom" " left side " " right side " etc. are also made to have similar
Meaning.When certain structure is at other structures "upper", it is possible to refer to that certain structural integrity is formed in other structures, or refer to certain structure
It is " direct " to be arranged in other structures, or refer to that certain structure is arranged in other structures by the way that another structure is " indirect ".
Term "one", " one ", " described " to indicate there are one or more elements/component part/etc.；Term " packet
Include " and " having " to indicate the open meaning being included and refer to that the element/component part/in addition to listing waits it
Outside also may be present other element/component part/etc..
The present exemplary embodiment provides a kind of transfusion control device first, as shown in Figure 1, being a kind of exemplary reality of the disclosure
The structural schematic diagram of transfusion control device in example is applied, which is used to control the transfusion speed of infusion device, described
Infusion device includes the infusion tube 1 for infusion, and the transfusion control device includes: Coupling 21, regulating part and power
Device 23.Coupling 21 is socketed on the infusion tube 1, is provided with threaded hole on the side wall of the Coupling；Regulating part includes
Threaded post 22, the threaded post 22 is for being threadedly connected to the threaded hole；Power device 23 is fixedly connected on the Coupling
21, twisting resistance is exported to the threaded post 22 for being controlled by a control signal, protrudes into the set to adjust the threaded post 22
The depth of fitting 21.
The present exemplary embodiment proposes a kind of transfusion control device, and the transfusion control device is for controlling the defeated of infusion device
Liquid speed degree, infusion device include the infusion tube for infusion, which includes: Coupling, regulating part, power dress
It sets.Coupling is socketed on infusion tube, is provided with threaded hole on the side wall of Coupling；Regulating part includes threaded post, threaded post spiral shell
Line is connected to threaded hole；Power device is fixedly connected on Coupling, exports torsion to threaded post for being controlled by a control signal
Power, to adjust the depth that threaded post protrudes into Coupling.On the one hand, the transfusion control device that the disclosure provides can be believed by control
Number adjust press section protrude into the depth of Coupling, thus adjust threaded post squeeze infusion tube degree, and then adjust infusion speed
Degree；On the other hand the transfusion control device structure is simple, cost is relatively low.
In the present exemplary embodiment, power device can be micro motor, and micro motor includes rotor and stator.Miniature horse
The rotor reached can be connect with threaded post 22, and the stator of micro motor is fixedly connected on Coupling 21, the rotor of micro motor
Threaded post 22 can be driven to rotate when rotation, to adjust the depth that threaded post protrudes into Coupling 21.Threaded post 22 protrudes into socket
One end of part can also be connected with the matched press section of Coupling inner wall shape, which can be with when squeezing flexible hose
It is bonded with the inner wall of Coupling, flexible hose is squeezed to the greatest extent completely with realizing.Coupling 21 can be by dismountable
Two parts composition, to realize that Coupling 21 is removably socketed on infusion tube.
In the above exemplary embodiments, when power device 23 drives threaded post 22 to rotate, power device can be to Coupling 21
Reaction force is exported, Coupling 21 may rotate under the reaction force, so that infusion tube be caused to wind along Coupling 21
Bad phenomenon.In the present exemplary embodiment, as shown in Fig. 2, for infusion control dress in disclosure another kind exemplary embodiment
The structural schematic diagram set.The threaded hole can be two, and two threaded holes are placed in the two of the Coupling 21 to wearing
Side；The regulating part 3 can be two, and the threaded post of two regulating parts is threadedly connected to respectively on two threaded holes,
And the direction of rotation that two threaded posts protrude into the Coupling is opposite；The power device 23 can be two, two institutes
State the depth that power device protrudes into the Coupling for being respectively used to two threaded posts of adjusting.The present exemplary embodiment mentions
The transfusion control device of confession, two power devices, which can provide to protrude into the power of Coupling 21 or stretch out simultaneously to threaded post, to be socketed
The power of part 21, and since two threaded posts protrude into the direction of rotation of the Coupling 21 on the contrary, two power devices are made
Reaction force for Coupling 21 is also on the contrary, so as to avoid Coupling rotation.
The present exemplary embodiment also provides a kind of transfusion control system, as shown in figure 3, being disclosure transfusion control system one
The functional block diagram of kind exemplary embodiment, which includes: monitoring device 3, processing unit 4 and above-mentioned infusion
Control device 2.Monitoring device 3 is used for the sign information of real-time monitoring human body；Processing unit 4 is used for raw according to the sign information
At control signal；Above-mentioned transfusion control device 2 is used to control infusion device to the human transfusion according to the control signal
Speed.
The sign information of human body can be monitored in real time in the transfusion control system that the present exemplary embodiment provides, and according to human body
The sign information of itself automatically controls the speed to human transfusion.
In the present exemplary embodiment, as shown in Figure 4,5, Fig. 4 is another exemplary implementation of disclosure transfusion control system
The functional block diagram of example, Fig. 5 are a kind of structural schematic diagram of exemplary embodiment of disclosure transfusion control system.The sign information
It may include body temperature parameter, hrv parameter and facial image information, the monitoring device 3 may include: body-temperature monitoring device
31, heart rate monitoring unit 32 and expression monitoring device 33.Body-temperature monitoring device 31 is used to monitor the body temperature of the human body, and raw
At the body temperature parameter；Heart rate monitoring unit 32 is used to monitor the heart rate of the human body, and generates the hrv parameter；Expression prison
The facial expression that device 33 is used to monitor the human body is surveyed, and generates the facial image information.Wherein, expression monitoring device 33
It can be image collecting device.It should be understood that in other exemplary embodiments, sign can also include other can
The sign information of transfusion speed is influenced, corresponding monitoring device can also include other monitoring devices, such as sign information is also
It may include blood pressure information, correspondingly, monitoring device can also include blood pressure monitoring device.
In the present exemplary embodiment, as shown in figure 4, the processing unit 4 may include: first processing units 41, second
Processing unit 42.First processing units 41 are used to generate the first index according to the body temperature parameter, raw according to the hrv parameter
At the second index, third index is generated according to the facial image information；The second processing unit be used for according to first index,
Second index, third exponential weighting calculate transfusion speed index, and generate the control signal according to the transfusion speed index.
Wherein, there is preset mapping relations, heart rate index and the second index to close with preset mapping for body temperature parameter and the first index
System, facial expression information and the second index have preset mapping relations.Above-mentioned mapping relations can be according to ethnic group, personal spy
The factors such as property, environment are preset.Transfusion speed is calculated according to first index, the second index, third exponential weighting
When index, the weighting coefficient of each index can also be preset according to factors such as ethnic group, personal characteristics.Transfusion speed refers to
Number has preset mapping relations with control signal, according to transfusion speed index it can be concluded that controlling signal accordingly.
The present exemplary embodiment specifically discloses a kind of operation method of processing unit 4.As shown in table 1,2,3,4, table 1 is body
The mapping table of warm parameter and the first index；Table 2 is the mapping table of heart rate index and the second index；Table 3 is facial table
The mapping table of feelings information and the second index；Table 4 is transfusion speed index and the mapping table for controlling signal tool.
Table 1
| Body temperature (DEG C) | Less than 36.5 | 36.5~38 | 38~40 | Greater than 40 |
| First index | 5 | 0 | 3 | 5 |
Table 2
| Heart rate (beat/min) | Less than 60 | 60~90 | 90~100 | Greater than 100 |
| Second index | 5 | 0 | 2 | 5 |
Table 3
| Facial expression | Loosen | It is nervous | Be difficult by | Feel bad very much | |
| Third index | 0 | 1 | 3 | 5 |
Table 4
| Gear | 1 grade | 2 grades | 3 grades |
| Control signal | Quickly | It is medium | Slowly |
| Transfusion speed index | 0~2 | 2~3 | 3~5 |
First processing units can generate the first index according to body temperature parameter based on the mapping relations in table 1,2,3, according to
Hrv parameter generates the second index, generates third index according to facial image information.
The second processing unit can calculate transfusion speed index according to the first index, the second index, third exponential weighting, and
The control signal is generated according to the transfusion speed index based on the mapping relations in table 4.In table 4, control signal can divide
For three gears, respectively quickly, medium, slow.
It should be understood that in other exemplary embodiments, above-mentioned each mapping relations can also be other shapes
Formula, mapping relations as escribed above can be continuous functional relation.Above-mentioned control signal can also include more gears.
In the present exemplary embodiment, as shown in Figure 6,7, Fig. 6 is another exemplary implementation of disclosure transfusion control system
The functional block diagram of example；Fig. 7 is the structural schematic diagram of disclosure transfusion control system another kind exemplary embodiment.The infusion dress
Setting can also include the Murphy's dropper 5 for being connected to the infusion tube, and the transfusion control system can also include that flow is supervised
Device 6 is surveyed, the flow monitoring device 6 is connect with described the second processing unit 42, for anti-to described the second processing unit 42
Transfusion speed is presented, the flow monitoring device 6 includes: RF transmitter 61, infrared receiver 62, counter 63 and the
Three processing units 64.RF transmitter 61 is set to the first side of the Murphy's dropper, for emitting infrared ray；Infrared ray
Receiver 62 is set to second side of the Murphy's dropper, and first side is opposite with described second side, described for receiving
Infrared ray；Counter 63 is connect with the infrared receiver, for monitoring the infrared ray by the number of liquid droplets intercept；The
Three processing units 64 are used to calculate transfusion speed by the number of liquid droplets intercept according to infrared ray described in the unit time.Second processing
Unit 42 can be precisely controlled transfusion speed according to the transfusion speed that flow monitoring device 6 is fed back.
In the present exemplary embodiment, as shown in figure 8, being the function of disclosure transfusion control system another kind exemplary embodiment
It can block diagram.The processing unit 4 can also include timer 43.Timer 43 is used for the monitoring transfusion time；The second processing
Unit 42 also calculates amount of infusion with according to the transfusion time and the transfusion speed, and combines total amount of infusion, present infusion
Speed calculates remaining transfusion time.
In the present exemplary embodiment, as shown in figure 9, being the function of disclosure transfusion control system another kind exemplary embodiment
It can block diagram.Transfusion control system can also include playing device 7.Playing device 7 is connect with described the second processing unit 42, is used for
The remaining transfusion time is played, and for playing when the corresponding transfusion speed of the control signal is less than the first preset value
Audio.When controlling the corresponding transfusion speed of signal less than the first preset value, show that patient fluid infusion's state is bad, which can
With for alleviating by the mood of infusion person, the first preset value can be preset according to factors such as ethnic group, personal characteristics.This example
Property embodiment in, when control signal be in second gear when, can pass through playing device 7 broadcasting audio.
In the present exemplary embodiment, as shown in figure 9, transfusion control system can also include warning device 8.Warning device 8
It is connect with the processing unit, for issuing alarm signal when the corresponding transfusion speed of the control signal is less than the second preset value
Breath.When controlling the corresponding transfusion speed of signal less than the second preset value, show that the transfusion state of the patient is seriously bad, the report
Alert signal can be used for that doctor, nurse is notified to handle the timely patient.In the present exemplary embodiment, at control signal
When three gears, it can be alarmed by warning device.
The present exemplary embodiment also provides a kind of transfusion system, the transfusion system include above-mentioned transfusion control system and
Infusion device.
The transfusion system and above-mentioned transfusion control system technical characteristic having the same and work that the present exemplary embodiment provides
Make principle, above content has been described in detail, and details are not described herein again.
Those skilled in the art after considering the specification and implementing the invention disclosed here, will readily occur to its of the disclosure
His embodiment.This application is intended to cover any variations, uses, or adaptations of the disclosure, these modifications, purposes or
Adaptive change follow the general principles of this disclosure and including the undocumented common knowledge in the art of the disclosure or
Conventional techniques.The description and examples are only to be considered as illustrative, and the true scope and spirit of the disclosure are by claim
It points out.
It should be understood that the present disclosure is not limited to the precise structures that have been described above and shown in the drawings, and
And various modifications and changes may be made without departing from the scope thereof.The scope of the present disclosure is only limited by the attached claims.
Claims (10)
1. a kind of transfusion control device, for controlling the transfusion speed of infusion device, the infusion device includes for infusion
Infusion tube, which is characterized in that the transfusion control device includes:
Coupling is socketed on the infusion tube, is provided with threaded hole on the side wall of the Coupling；
Regulating part, including threaded post, the threaded post are threadedly connected to the threaded hole；
Power device is fixedly connected on the Coupling, exports twisting resistance to the threaded post for being controlled by a control signal,
To adjust the depth that the threaded post protrudes into the Coupling.
2. transfusion control device according to claim 1, which is characterized in that
The threaded hole is two, and two threaded holes are to wearing the two sides for being placed in the Coupling；
The regulating part is two, and the threaded post of two regulating parts is threadedly connected to respectively on two threaded holes, and two
The direction of rotation that a threaded post protrudes into the Coupling is opposite；
The power device is two, and two power devices protrude into the socket for adjusting two threaded posts respectively
The depth of part.
3. a kind of transfusion control system characterized by comprising
Monitoring device, the sign information for real-time monitoring human body；
Processing unit, for generating control signal according to the sign information；
Transfusion control device of any of claims 1 or 2, for controlling infusion device to the human body according to the control signal
The speed of infusion.
4. transfusion control system according to claim 3, which is characterized in that the sign information includes body temperature parameter, the heart
Rate parameter and facial image information, the monitoring device include:
Body-temperature monitoring device for monitoring the body temperature of the human body, and generates the body temperature parameter；
Heart rate monitoring unit for monitoring the heart rate of the human body, and generates the hrv parameter；
Expression monitoring device for monitoring the facial expression of the human body, and generates the facial image information.
5. transfusion control system according to claim 4, which is characterized in that the processing unit includes:
First processing units generate second according to the hrv parameter and refer to for generating the first index according to the body temperature parameter
Number generates third index according to the facial image information；
The second processing unit, for calculating transfusion speed index according to first index, the second index, third exponential weighting,
And the control signal is generated according to the transfusion speed index.
6. transfusion control system according to claim 5, which is characterized in that the infusion device further include be connected to it is described
The Murphy's dropper of infusion tube, the transfusion control system further include flow monitoring device, the flow monitoring device and institute
The second processing unit connection is stated, for feeding back transfusion speed to described the second processing unit, the flow monitoring device includes:
RF transmitter is set to the first side of the Murphy's dropper, for emitting infrared ray；
Infrared receiver is set to second side of the Murphy's dropper, and first side is opposite with described second side, is used for
Receive the infrared ray；
Counter is connect with the infrared receiver, for monitoring the infrared ray by the number of liquid droplets intercept；
Third processing unit, for calculating transfusion speed by the number of liquid droplets intercept according to infrared ray described in the unit time.
7. transfusion control system according to claim 6, which is characterized in that the processing unit further include:
Timer is used for the monitoring transfusion time；
Described the second processing unit also calculates amount of infusion with according to the transfusion time and the transfusion speed, and combines total defeated
Liquid measure, present infusion speed calculate remaining transfusion time.
8. transfusion control system according to claim 7, which is characterized in that further include:
Playing device is connect with described the second processing unit, for playing the remaining transfusion time, and in the control
Audio is played when the corresponding transfusion speed of signal processed is less than the first preset value.
9. according to the described in any item transfusion control systems of claim 3-8, which is characterized in that further include:
Warning device is connect with the processing unit, for default less than second in the corresponding transfusion speed of the control signal
Alert when value.
10. a kind of transfusion system, which is characterized in that including described in any item transfusion control systems of claim 3-9 and defeated
Liquid device.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112999467A (en) * | 2021-04-14 | 2021-06-22 | 于琨 | Liquid flow rate adjusting device for nursing |
| CN113456040A (en) * | 2021-08-02 | 2021-10-01 | 曜立科技(北京)有限公司 | Postoperative patient supervision system for nerve intervention treatment |
| CN113559359A (en) * | 2021-09-06 | 2021-10-29 | 静宽医疗科技(上海)有限公司 | Controllable infusion alarm of velocity of flow |
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| CN112999467A (en) * | 2021-04-14 | 2021-06-22 | 于琨 | Liquid flow rate adjusting device for nursing |
| CN113456040A (en) * | 2021-08-02 | 2021-10-01 | 曜立科技(北京)有限公司 | Postoperative patient supervision system for nerve intervention treatment |
| CN113456040B (en) * | 2021-08-02 | 2022-02-11 | 曜立科技(北京)有限公司 | Postoperative patient supervision system for nerve intervention treatment |
| CN113559359A (en) * | 2021-09-06 | 2021-10-29 | 静宽医疗科技(上海)有限公司 | Controllable infusion alarm of velocity of flow |
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