CN104258487B - Ultrasonic detection based intelligent infusion system - Google Patents
Ultrasonic detection based intelligent infusion system Download PDFInfo
- Publication number
- CN104258487B CN104258487B CN201410560279.9A CN201410560279A CN104258487B CN 104258487 B CN104258487 B CN 104258487B CN 201410560279 A CN201410560279 A CN 201410560279A CN 104258487 B CN104258487 B CN 104258487B
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- CN
- China
- Prior art keywords
- ultrasonic
- infusion
- liquid
- detection
- master controller
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- A61M5/16831—Monitoring, detecting, signalling or eliminating infusion flow anomalies
-
- 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
Abstract
The invention relates to an ultrasonic detection based intelligent infusion system. The ultrasonic detection based intelligent infusion system is mainly characterized in that the top of an infusion frame is provided with a detection control module; the infusion frame which is arranged below an infusion bottle hook is provided with an ultrasonic liquid detection unit; the detection control module comprises a main controller, a power supply unit, an ultrasonic flow detection circuit, a keyboard matrix, an LCD (Liquid Crystal Display) driving unit and a buzzer; the main controller is connected with the ultrasonic flow detection circuit, the keyboard matrix, the LCD driving unit and the buzzer; the ultrasonic flow detection circuit is connected with the ultrasonic liquid detection unit and used for detecting the flow speed of the liquid in an infusion tube and transmitting the flow speed to the main controller; the keyboard matrix is connected with an operating key; the LCD driving unit is connected with an LCD. According to the ultrasonic detection based intelligent infusion system, the real-time detection is performed on the infusion speed according to the principle of ultrasonic detection, an alarm can be timely given, medical accidents caused by incorrect liquid infusion can be prevented, and accordingly the safety and the reliability of the infusion are ensured.
Description
Technical field
The invention belongs to technical field of medical equipment, a kind of intelligent transfusion based on ultrasound examination fills
Put.
Background technology
At present, the infusion set that hospital uses usually relies on slider roller and changes transfusion speed, uses this dress
Put and heart of patient may be made to be difficult to bear owing to infusing too fast, and required time of infusing can only lean on experience
Obtaining, this infusion set is the most impracticable for currently pursuing the people of health, efficient life style.
Additionally, be likely to be due to the carelessness of medical personnel after existing infusion set infusion-completed and cause blood to reflux,
Patient is caused and again injures.For the problems referred to above, patent documentation (publication number CN202236654) proposes
A kind of transfusion buzzer, it utilizes whether the detection transfusion of spring-return power principle terminates, although this technical scheme
Warning function can be realized close to when flowing to end at liquid, but, for the liquid of different capabilities, need to change
The spring of different restoring forces, and the restoring force of spring also can change with the use time, may finally cause
Misoperation.It addition, existing infusion set cannot be asked avoiding medical personnel easily by mistake patient to be inputed liquid
Topic.
Summary of the invention
It is an object of the invention to overcome the deficiencies in the prior art, it is provided that a kind of reasonable in design, safe and reliable and
Intelligent infusion device based on ultrasound examination easy to use.
The present invention solves it and technical problem is that and take techniques below scheme to realize:
A kind of intelligent infusion device based on ultrasound examination, including drip stand and transfusion bottle hook, transfusion bottle hook
It is arranged on drip stand top, at the top of drip stand, detection control module is installed, below transfusion bottle hook
Being provided with ultrasonic liquid detector unit on drip stand, external power source is by the power line being arranged in drip stand
Be connected to detect in control module, the front panel of detection control module is provided with LCD display and operation by
Key, described detection control module includes master controller, power supply unit, ultrasonic flow detection circuit, key
Dish matrix, LCD driver element, buzzer, described master controller and ultrasonic flow detection circuit, keyboard square
Battle array, LCD driver element, buzzer are connected, and described ultrasonic flow detection circuit detects with ultrasonic liquid
Unit is connected for detecting the transfusion flow velocity of liquid in pipe and sending master controller to, described keyboard matrix with
Operation button is connected, and described LCD driver element is connected with LCD display.
And, it is also equipped with Quick Response Code scanner at the top of drip stand, this Quick Response Code scanner and detection control
Quick Response Code interface unit in molding block is connected, and this Quick Response Code interface unit is connected with master controller.
And, described master controller is also connected with a wireless transmit/receive units and is connected for receiving device with nurse station
Connect and realize remote alarming function.
And, described wireless transmit/receive units uses NRF24L01 radio receiving transmitting module.
And, described ultrasonic liquid detector unit includes two semicircle cylinders, upstream ultrasonic transducing
Device, ultrasonic flow sensor and downstream ultrasonic wave transducer, two semicircle cylinder one end use spring hinge
It is connected together and other end folding, after two semicircle cylinders close, semicircle inboard wall of cylinder and tube for transfusion
Tightly fitting together, upstream ultrasonic wave transducer and downstream ultrasonic wave transducer are the most diagonally-installed at pipeline
The semicircle cylinder of both sides and its axis are point-blank.
And, described ultrasonic flow detection circuit includes transmitting, reception, signal processing circuit, is used for
The ultrasound wave transmission of control ultrasonic transducer, reception, ultrasonic signal amplify and are transformed to digital signal,
It is accumulated as, according to flow speed, the liquid capacity that altogether flows through and gives master controller by data.
Advantages of the present invention and good effect be:
1, the present invention uses ultrasound examination principle to monitor transfusion progress in real time, can by display screen
With speed, the transfusion required time of display present infusion, and can report to the police in time, its simple in construction, peace
Dress is convenient, measures accurately, and multiple functional, patient and entourage there is no concern that the blood caused due to carelessness
Liquid reflux problem, it is ensured that the safety and reliability of transfusion.
2, the present invention sends audible alarm not only by the buzzer on detection control apparatus in ward, and
And wirelessly can also send warning to long-range nurse station, beneficially medical personnel process in time, also
Alleviate the pressure of entourage.
3, the present invention uses Quick Response Code scanner to prevent patient from inputing liquid by mistake, arrives sick bed for disease medical personnel
When people infuses, can scan out Quick Response Code by Quick Response Code scanner and be shown on liquid crystal display screen, medical personnel need
To patient infusion after patient information to be checked, prevent the malpractice inputing liquid by mistake and cause.
4, any parts of the present invention all enter liquid-transport pipe-line, it is ensured that to infusion medicine without any pollution.
Accompanying drawing explanation
Fig. 1 is the front view of the present invention；
Fig. 2 is the structural representation of ultrasonic liquid detector unit；
Fig. 3 is the circuit block diagram of the detection control module of the present invention；
Fig. 4 is the theory diagram of power supply unit；
Fig. 5 is the circuit connection diagram of master controller and LCD display；
Fig. 6 is the circuit connection diagram of master controller and matrix keyboard；
Fig. 7 is the circuit connection diagram of master controller and buzzer；
Fig. 8 is the circuit connection diagram of master controller and wireless transmit/receive units；
Fig. 9 is the circuit connection diagram that nurse station receives device.
In figure, 1: drip stand base, 2: drip stand, 3: power line, 4: ultrasonic liquid detector unit,
5: ultrasonic liquid detector unit data wire, 6: transfusion bottle hook, 7: detection control module, 8:LCD shows
Screen, 9: operation button, 10: Quick Response Code scanner, 11: attaching plug, 12: tube for transfusion, 13: upstream
Ultrasonic transducer, 14: ultrasonic flow sensor；15: downstream ultrasonic wave transducer；16: semicircle
Cylinder.
Detailed description of the invention
Below in conjunction with accompanying drawing, the embodiment of the present invention is further described:
A kind of intelligent infusion device based on ultrasound examination, as it is shown in figure 1, include drip stand base 1, defeated
Liquid frame 2, ultrasonic liquid detector unit 4, transfusion bottle hook 6, detection control module 7, Quick Response Code scanner
10 and attaching plug 11, described drip stand is vertically mounted on drip stand base, and described detection controls mould
Block and Quick Response Code scanner are arranged on the top of drip stand, and described transfusion bottle hook is arranged on the upper end of drip stand,
Described ultrasonic liquid detector unit is arranged on the drip stand below transfusion bottle hook, this ultrasonic solution health check-up
Survey unit to be connected with detection control module by the ultrasonic liquid detector unit data wire 5 arranged in drip stand
Connecing, be provided with power line 3 in drip stand, this power line one end is connected with civil power by attaching plug, separately
One end is connected with detection control module and Quick Response Code scanner and powers for it, before detection control module
Plate is provided with LCD display 8 and operation button 9, and LCD display shows for information and (such as shows residue
Liquid capacity, flow rate of liquid, transfusion required time etc.), this operation button includes for infusion fluid capacity
Numeral keys 0-9 and the stop key of stopping buzzer warning.
As in figure 2 it is shown, described detection control module includes master controller, power supply unit, ultrasonic flow
Testing circuit, Quick Response Code interface unit, keyboard matrix, LCD driver element, buzzer, wireless transmit/receive units,
Described master controller and ultrasonic flow detection circuit, Quick Response Code interface unit, keyboard matrix, LCD drive single
Unit, buzzer are connected with wireless transmit/receive units.Described ultrasonic flow detection circuit and ultrasonic solution health check-up
Survey unit and be connected for detecting the flow velocity of transfusion liquid in pipe and sending master controller to, this ultrasonic flow
Testing circuit includes transmitting, reception, signal processing circuit, sends out for controlling the ultrasound wave of ultrasonic transducer
Send, receive, ultrasonic signal amplifies and is transformed to digital signal, is accumulated as altogether flowing through according to flow speed
Liquid capacity, finally give master controller data.Described Quick Response Code interface unit and Quick Response Code scanner
It is connected for the Quick Response Code on infusion bottle or transfusion bag being scanned and sending master controller to.Described key
Dish matrix is connected with operation button, and described LCD driver element is connected with LCD display, described buzzing
Device sends alarm sound at the end of transfusion is nearly.Described wireless transmit/receive units is for receiving with nurse station
Device is connected and realizes remote alarming function.Described supply module and master controller, LCD driver element, honeybee
Ring device, wireless transmit/receive units, ultrasonic flow detection circuit, Quick Response Code scanner are connected and power for it.
As it is shown on figure 3, power supply unit includes full bridge rectifier and mu balanced circuit, 220V alternating current is whole through full-bridge
Stream, voltage stabilizing, final output unidirectional current is powered for modules.
As shown in Figure 4, described ultrasonic liquid detector unit includes two semicircle cylinders 16 and installs
Upstream ultrasonic wave transducer 13, ultrasonic flow sensor 14 and downstream ultrasonic in semicircular pillar body change
Can device 15, two semicircle cylinder one end use springs to connect, the other end can folding, when two semicircular pillar
Intermediate formation tube for transfusion passage after body Guan Bi, two semicircle inboard wall of cylinder are tightly fitted in one with tube for transfusion 12
Rise, it is ensured that two ultrasonic transducers are in close contact with tube for transfusion.Upstream ultrasonic wave transducer and downstream ultrasonic
The most diagonally-installed semicircle cylinder in pipeline both sides of wave transducer, its axis is point-blank, ultrasonic
Wave flow sensor is installed together with upstream ultrasonic wave transducer.The ultrasonic flow being used for launching sound wave passes
Sensor is referred to as emitter, and when sensor is in emission state, the electricity sent here from the output stage of excitation power supply shakes
Swing signal and will cause electric field or the change in magnetic field in electricity energy-storage travelling wave tube, this electric field or the change in magnetic field in sensor
Change and the mechanical vibrating system of sensor produced a motive force so that it is enter vibrational state, thus promote with
The medium that sensor mechanism vibrational system contacts vibrates, and radiates ultrasound wave, receive ultrasound wave in medium
Process the most in contrast, receiving in the case of ultrasound wave, external ul-trasonic irradiation shaking at sensor
On dynamic face, so that the mechanical vibrating system of sensor is vibrated, cause sensor by means of physical effect
There is corresponding change in electric field or magnetic field in energy-storage travelling wave tube, thus causes the electric outfan of sensor to produce one
The individual voltage and current corresponding to acoustical signal.Upstream ultrasonic wave transducer is sent out to downstream ultrasonic wave transducer following current
Penetrating ultrasound wave, sound wave belongs to downstream propagation, and the speed fast time is short.Downstream ultrasonic wave transducer is to upstream ultrasonic
When wave transducer adverse current launches ultrasound wave, the speed slow time is long, can calculate liquid by analyzing two speed
Flow velocity.
In the present embodiment, master controller uses AT89C51 single-chip microcomputer, itself and the physical circuit of modules
As follows:
As it is shown in figure 5, the circuit connecting relation of master controller and LCD display is；LCD driver element
(LCD12864) power supply is supplied by power supply unit, FPDP respectively with the P2 end of AT89C51 single-chip microcomputer
Mouth connects；Depositor selects end RS to meet single-chip microcomputer P0.2, P0.2 and exports high level, and DB7-DB0 input is aobvious
Registration evidence, P0.2 output low level, DB7-DB0 input is director data；Read/write selects end R/W order sheet
When machine P0.3, P0.3 export high level, single-chip microcomputer reads signal by data terminal, during P0.3 output low level,
Single-chip microcomputer passes through data terminal to LCD liquid crystal display screen write signal；Enable Pin E meets single-chip microcomputer P0.4；Parallel port/serial ports
When selecting end PSB to connect single-chip microcomputer P0.5, P0.5 output high level, data input and output are parallel port mode, P0.5
During output low level, data input and output are serial mode；Reset terminal/RST connects single-chip microcomputer P0.6, low level
Effectively.
As shown in Figure 6, master controller with the circuit connecting relation of matrix keyboard is: numeral 1-9 Input matrix
6 of keyboard (S1, S2, S3, S4, S5, S6, S7, S8, S9) control ends respectively with AT89C51
The P1.2 of single-chip microcomputer, P1.3, P1.4, P1.5, P1.6, P1.7 connection, numeral 0 (S0) independent input
Button one end is connected with 5V through 1K resistance, the P0.1 port of a termination AT89C51 single-chip microcomputer.
As it is shown in fig. 7, the circuit connecting relation of master controller and buzzer is: buzzer (SPEAKER) warp
The P0.0 port controlling of AT89C51 single-chip microcomputer, P0.0 is realized by the base potential controlling NPN audion
Control to buzzer 24.When P0.0 output low level, triode ON, electric current flows through buzzer
(SPEAKER), buzzer (SPEAKER) sends alarm." stopping " button can make buzzer stop report
Alert.When pressing " stopping " key, single-chip microcomputer detects P0.2 high level, and single-chip microcomputer sends instruction, P0.0
Being faded to high level by low level, audion turns off, buzzer stop alarm.
As shown in Figure 8, master controller with the circuit connecting relation of wireless transmit/receive units is: NRF24L01 is wireless
The power supply of Transmit-Receive Unit is 3.3V power supply, and 3.3V power supply is exported by the power supply unit rectification of circuit board, voltage stabilizing.
NRF24L01 wireless transmit/receive units uses the monolithic wireless transceiver core of the ISM band of 2.4GHz～2.5GHzz
Sheet, the port of this NRF24L01 radio receiving transmitting module meets P3.2, the P3.3 of AT89C51 single-chip microcomputer respectively,
P3.4, P3.5, P3.6, P3.7, and have 1K pull-up resistor to be connected by power supply.
As it is shown in figure 9, the circuit that nurse station receives device includes that AT89C51 system, NRF24L01 are wireless
Receiver module and the buzzer composition indicating ward number.NRF24L01 wireless receiving module receives 1, ward
The transfusion sent completes signal, single-chip microcomputer P0.0 low level, triode ON, and electric current flows through ward 1 buzzer,
Ward 1 buzzer sends alarm, and medical personnel can inquire about the transfusion condition in corresponding ward according to alarm.With
Sample, wireless receiving module receives the transfusion in which ward and completes signal, and corresponding buzzer sends warning.
The port of NRF24L01 wireless receiving module meets P3.2, P3.3, P3.4, the P3.5 of AT89C51 single-chip microcomputer respectively,
P3.6, P3.7, and have 1K pull-up resistor to be connected by power supply.
The use process of this infusion set is: when transfusion starts, infusion bottle (bag) is suspended on transfusion bottle hook
On, in the infusion tube clamp two semicircular pillar bodies in ultrasonic liquid detector unit, attaching plug is inserted in
In the supply socket in ward, supply module is master controller, Quick Response Code scanner, ultrasonic liquid detection list
Unit, LCD display, buzzer and radio receiving transmitting module are powered.During transfusion, medical personnel are firstly the need of sweeping
Retouch the upper Quick Response Code of transfusion bag (bottle), errorless with patient's cross-check information after, medical personnel are set by operation button
Put transfusion capacity, LCD display display liquid residual capacity.When Quick Response Code scanner 8 starts, detection transfusion
The 2 D code information of bag (bottle), is also shown on liquid crystal display screen 7 checking for medical personnel.When liquid is from transfusion
When flowing down in bottle (bag), after ultrasonic liquid detector unit is started working and flow signal will be detected, warp is super
Acoustic wave liquid detector unit data wire reaches master controller, and master controller shows after data process and shows at LCD
In display screen.When master controller detects that when residual capacity is nearly flow to end, (such as residual capacity is less than total capacity
When 5 percent), master controller sends audible alarm by buzzer, and meanwhile, master controller is by wireless receipts
Bill unit sends warning message to nurse's platform, and the wireless transmit/receive units of nurse station also can send chimes of doom after receiving,
When patient or medical personnel press " stopping " button, buzzer stop alarm.Medical personnel can be more
Change infusion bottle or pull out infusion set, changing repeatable aforesaid operations after infusion bottle, until transfusion terminates.
It is emphasized that embodiment of the present invention is illustrative rather than determinate, therefore
The present invention includes the embodiment being not limited to described in detailed description of the invention, every by those skilled in the art's root
Other embodiments drawn according to technical scheme, also belong to the scope of protection of the invention.
Claims (5)
1. an intelligent infusion device based on ultrasound examination, including drip stand and transfusion bottle hook, drip-bottle hanger
Hook is arranged on drip stand top, it is characterised in that: at the top of drip stand, detection control module is installed,
Being provided with ultrasonic liquid detector unit on drip stand below transfusion bottle hook, external power source is defeated by being arranged on
Power line in liquid frame is connected to detect in control module, is provided with LCD on the front panel of detection control module
Display screen and operation button, described detection control module includes master controller, power supply unit, supersonic flow
Amount testing circuit, keyboard matrix, LCD driver element, buzzer, described master controller is examined with ultrasonic flow
Slowdown monitoring circuit, keyboard matrix, LCD driver element, buzzer are connected, described ultrasonic flow detection circuit with
Ultrasonic liquid detector unit is connected for detecting the flow velocity of transfusion liquid in pipe and sending master controller to,
Described keyboard matrix is connected with operation button, and described LCD driver element is connected with LCD display；
Described ultrasonic liquid detector unit includes two semicircle cylinders, upstream ultrasonic wave transducer, surpasses
Acoustic wave flow sensor and downstream ultrasonic wave transducer, two semicircle cylinder one end use spring hinge to be connected on one
Rise and other end folding, when, after two semicircle cylinder Guan Bis, semicircle inboard wall of cylinder tightly pastes with tube for transfusion
Being combined, upstream ultrasonic wave transducer and downstream ultrasonic wave transducer are the most diagonally-installed in pipeline both sides
Semicircle cylinder and its axis are point-blank.
Intelligent infusion device based on ultrasound examination the most according to claim 1, it is characterised in that:
It is also equipped with Quick Response Code scanner, in this Quick Response Code scanner and detection control module at the top of drip stand
Quick Response Code interface unit is connected, and this Quick Response Code interface unit is connected with master controller.
Intelligent infusion device based on ultrasound examination the most according to claim 1, it is characterised in that:
Described master controller is also connected with a wireless transmit/receive units and is connected realization remotely for receiving device with nurse station
Warning function.
Intelligent infusion device based on ultrasound examination the most according to claim 3, it is characterised in that:
Described wireless transmit/receive units uses NRF24L01 radio receiving transmitting module.
5. according to the intelligent infusion device based on ultrasound examination described in any one of Claims 1-4, its
It is characterised by: described ultrasonic flow detection circuit includes transmitting, reception, signal processing circuit, is used for
The ultrasound wave transmission of control ultrasonic transducer, reception, ultrasonic signal amplify and are transformed to digital signal,
It is accumulated as, according to flow speed, the liquid capacity that altogether flows through and gives master controller by data.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410560279.9A CN104258487B (en) | 2014-10-21 | 2014-10-21 | Ultrasonic detection based intelligent infusion system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410560279.9A CN104258487B (en) | 2014-10-21 | 2014-10-21 | Ultrasonic detection based intelligent infusion system |
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| CN104258487A CN104258487A (en) | 2015-01-07 |
| CN104258487B true CN104258487B (en) | 2017-01-11 |
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| CN201410560279.9A Expired - Fee Related CN104258487B (en) | 2014-10-21 | 2014-10-21 | Ultrasonic detection based intelligent infusion system |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106620926A (en) * | 2016-11-08 | 2017-05-10 | 长沙蓁蓁信息科技有限公司 | Novel infusion support |
| CN108175901A (en) * | 2018-03-20 | 2018-06-19 | 四川省肿瘤医院 | A kind of transfusion suspender and infusion day rail system |
| CN108680765B (en) * | 2018-05-16 | 2020-07-28 | 英华达（上海）科技有限公司 | Flow velocity sensing device and flow velocity sensing system |
| CN110721367A (en) * | 2019-10-29 | 2020-01-24 | 四川大学华西医院 | Novel automatic transfusion system model developed based on AI technology |
| CN110850898A (en) * | 2019-11-28 | 2020-02-28 | 曾阔 | Intelligent medical nursing following trolley and following method |
| CN111282086A (en) * | 2020-03-02 | 2020-06-16 | 利辛县儒康医药有限公司 | Infusion device |
| CN112190787A (en) * | 2020-10-16 | 2021-01-08 | 上海电机学院 | Automatic liquid medicine bottle replacing device based on clamping type ultrasonic sensor |
| CN114558178A (en) * | 2022-02-23 | 2022-05-31 | 山东百多安医疗器械股份有限公司 | Automatic ventricular external drainage product with dynamic monitoring and alarming functions |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204106736U (en) * | 2014-10-21 | 2015-01-21 | 河北工业大学 | A kind of Multifunction infusion set |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6120475A (en) * | 1998-02-16 | 2000-09-19 | Chen; San-Ming | Infusion bottle monitor device |
| CN2635102Y (en) * | 2003-08-13 | 2004-08-25 | 冯健传 | Droplet servo device |
| CN2649097Y (en) * | 2003-10-08 | 2004-10-20 | 冯健传 | Intelligent liquid drop servo device |
| CN103968905A (en) * | 2014-05-14 | 2014-08-06 | 胡达广 | Ultrasonic micro-flow detecting device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN204106736U (en) * | 2014-10-21 | 2015-01-21 | 河北工业大学 | A kind of Multifunction infusion set |
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