CN107357207A - A kind of infusion electronic monitoring system based on ZigBee technology - Google Patents
A kind of infusion electronic monitoring system based on ZigBee technology Download PDFInfo
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- CN107357207A CN107357207A CN201710600131.7A CN201710600131A CN107357207A CN 107357207 A CN107357207 A CN 107357207A CN 201710600131 A CN201710600131 A CN 201710600131A CN 107357207 A CN107357207 A CN 107357207A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0428—Safety, monitoring
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/21—Pc I-O input output
- G05B2219/21137—Analog to digital conversion, ADC, DAC
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The present invention relates to field of medical device, more particularly to a kind of infusion electronic monitoring system based on ZigBee technology.The present invention includes multiple transfusion monitoring devices, the input of multiple transfusion monitoring devices connects the output end of host computer by CAN, the output end of multiple transfusion monitoring devices connects the input of ZigBee module respectively, radio communication is connected the output end of multiple ZigBee modules between the input of ZigBee demodulators, and the output end of ZigBee demodulators is connected with monitor supervision platform and mobile phone terminal respectively.Transfusion monitoring device includes control module, transfusion signal acquisition module, shaping pulse module, A/D modular converters, residual liquid level monitoring modular, parameter setting module, image capture module, alarm display module, motor drive module, stepper motor, memory module, power supply module.Transmission signal speed of the present invention is fast, can accurately detect transfusion speed, and nurse can check transfusion picture by monitor supervision platform, prevent false alarm and influence operating efficiency.
Description
Technical field
The present invention relates to field of medical device, more particularly to a kind of infusion electronic monitoring system based on ZigBee technology.
Background technology
Venous transfusion is one of common method of medical institutions, currently there are a variety of transfusion monitoring equipments, but
It is that there is many defects.Traditional transfusion speed control is realized by the flow regulator manual adjustment on woven hose
, drip speed control inaccurately, error is larger, easily patient is produced sense of discomfort in infusion process.
The content of the invention
The present invention is in order to overcome the above-mentioned deficiencies of the prior art, there is provided a kind of infusion electronic prison based on ZigBee technology
Control system.
Solves the problems, such as techniques discussed above, the technical scheme that the present invention takes is：
A kind of infusion electronic monitoring system based on ZigBee technology includes multiple transfusion monitoring devices, multiple transfusions
The input of supervising device connects the output end of host computer, the output end of multiple transfusion monitoring devices by CAN
The input of ZigBee module, the input of the output ends of multiple ZigBee modules with ZigBee demodulators are connected respectively
Between radio communication connect, the output end of the ZigBee demodulators is connected with monitor supervision platform and mobile phone terminal respectively.
Preferably, the transfusion monitoring device includes control module, transfusion signal acquisition module, shaping pulse module, A/D
Modular converter, residual liquid level monitoring modular, parameter setting module, image capture module, alarm display module, motor driving mould
Block, stepper motor, memory module, power supply module, wherein,
The output end of the transfusion signal acquisition module is connected with the input of shaping pulse module, transfusion signal collection mould
Block is used to gathering the velocity information of transfusion signal, and the velocity information of the transfusion signal is sent defeated to shaping pulse module
Enter end；
The shaping pulse module is used to carry out the velocity information of the transfusion signal shaping pulse processing, and by pulse
The velocity information of transfusion signal after Shape correction is sent to the input of A/D modular converters；
The velocity information that the A/D modular converters are used for the transfusion signal after handling shaping pulse is carried out at analog-to-digital conversion
Reason, and the signal after analog-to-digital conversion process is sent to the input of control module；
The signal that the control module is used to send A/D modular converters parses, and control module is by after parsing
Velocity information is respectively sent to alarm display module, monitor supervision platform；The alarm display module, monitor supervision platform are defeated for showing
Liquid speed degree；Meanwhile control module is adjusted according to the transfusion speed of inner setting by stepper motor to the drop speed of transfusion；
The input of the control module respectively with residual liquid level monitoring modular, parameter setting module, image capture module,
The output end of power supply module is connected, the input connection camera of described image acquisition module；The output end difference of control module
Alarm display module, the input of motor drive module are connected, the output end connection stepper motor of the motor drive module
Input, two-way communication link between the control module and memory module.
Preferably, the control module also electrically connects between reset circuit.
Preferably, the reset circuit includes the first chip and the second chip, the model SP708S of first chip
Chip, the model SN74HC125N chips of the second chip；The pin 1 of the SP708S chips connects SP708S cores by switching
The pin 3 of piece, one end of pin 4 and first resistor R1 and ground connection, the other end of the first resistor R1 connect respectively
The pin 7 of SP708S chips, the pin 1 of SN74HC125N chips, the pin 4 of SN74HC125N chips, SN74HC125N chips
Pin 2, pin 5, pin 7 be grounded, pin 3, the pin 6 of SN74HC125N chips pass through second resistance R2, the 3rd respectively
Resistance R3 connection power supplys.
Preferably, the shaping pulse module includes the first NOT gate, the input connection transfusion signal of first NOT gate
The output end of acquisition module, the output end of the first NOT gate connect the 4th resistance R4 one end, the other end of the 4th resistance R4
The first electric capacity C1 one end and the input of the second NOT gate, the output end connection 74HC74 cores of second NOT gate are connected respectively
The pin 3 of piece, the pin 2 of the 74HC74 chips connects the 5th resistance R5 one end and transistor collector respectively, described
5th resistance R5 other end connection power supply, radio communication connects between the base stage of the triode and the first light emitting diode,
Triode and the first light emitting diode are distributed in the both sides of woven hose, the grounded emitter of the triode, 74HC74 cores respectively
The pin 5 of piece connects the input of A/D modular converters.
Preferably, the power supply module includes power conversion chip, the model LM1117 cores of the power conversion chip
Piece, the input of the LM1117 chips connect the second electric capacity C2 one end, the second diode D2 negative pole, Yi Ji electricity respectively
Source, the positive pole of the second diode D2 pass sequentially through switch, the second electric capacity C2 of the power supply connection other end and ground connection, the second electricity
The other end for holding C2 connects the 3rd electric capacity C3 one end, the 4th electric capacity C4 one end, the 6th resistance R6 one end respectively, and described the
The six resistance R6 other end connects the 3rd light emitting diode D3 negative pole, and the positive pole of the 3rd light emitting diode D3 connects respectively
The 3rd electric capacity C3 other end, the 4th electric capacity C4 other end, the output end of LM1117 chips and 3.3V power supplys.
Further, the control module includes control chip, the model STM32 family chips of the control chip.
Further, the motor drive module includes motor drive ic, the model of the motor drive ic
L293D；The stepper motor uses 15BY20 type permanent magnetic step motors.
Further, the alarm display module includes LED display and buzzer.
Beneficial effects of the present invention are：
(1), the present invention includes multiple transfusion monitoring devices, and the input of multiple transfusion monitoring devices passes through CAN
Bus connects the output end of host computer, and the output end of multiple transfusion monitoring devices connects the input of ZigBee module respectively
End, radio communication is connected the output end of multiple ZigBee modules between the input of ZigBee demodulators, transfusion prison
Controlling device includes control module, transfusion signal acquisition module, shaping pulse module, A/D modular converters, residual liquid level monitoring mould
Block, parameter setting module, image capture module, alarm display module, motor drive module, stepper motor, memory module, power supply
Module, transmission signal speed of the present invention is fast, can accurately detect transfusion speed, and nurse can be checked by monitor supervision platform it is defeated
Liquid picture, prevent false alarm and influence operating efficiency.
(2), the power supply module can provide stable power supply for system, and the shape of power supply is indicated by a LED
State, prompt whether have power input.Wireless cost of the invention is few, and power consumption is low, securely and reliably, superior performance, cost of the invention
It is cheap, it is simple in construction.
Brief description of the drawings
The content of every width accompanying drawing expression in description of the invention and the mark in figure are briefly described below：
The composition that Fig. 1 is the present invention connects block diagram；
Fig. 2 is that the composition of the transfusion monitoring device of the present invention connects block diagram；
Fig. 3 is the circuit theory diagrams of the reset circuit of the present invention；
Fig. 4 is the circuit theory diagrams of the shaping pulse module of the present invention；
Fig. 5 is the circuit theory diagrams of the power supply module of the present invention.
Reference implication in figure is as follows：
1-control module, 2-transfusion signal acquisition module 3-shaping pulse module
4-A/D modular converter 5-residual liquid level, 6-parameter setting modules of monitoring modular
7-image capture module, 8-alarm display module, 9-motor drive module
10-stepper motor, 11-memory module, 12-power supply module
Embodiment
Below against accompanying drawing, the shape of each component for example involved to the embodiment of the present invention, construction, each several part
Between mutual alignment and annexation, the effect of each several part and operation principle etc. is described in further detail：
As shown in figure 1, a kind of infusion electronic monitoring system based on ZigBee technology includes multiple transfusion monitoring devices, it is more
The input of the individual transfusion monitoring device connects the output end of host computer, multiple monitoring infusion dresses by CAN
The output end put connects the input of ZigBee module respectively, and the output end of multiple ZigBee modules demodulates with ZigBee
Radio communication connects between the input of device, and the output end of the ZigBee demodulators connects with monitor supervision platform and mobile phone terminal respectively
Connect.
Nurse in main website can adjust the parameter of transfusion monitoring device by the host computer, and transmission means is CAN,
Transmission signal speed is fast, is quick on the draw.
The cost of the invention that is not only wirelessly transferred is few, and it is low to consume energy, securely and reliably, superior performance.
For example, the host computer is PC host computers or computer.
Fig. 2 is that the composition of transfusion monitoring device connects block diagram, and the transfusion monitoring device includes control module 1, transfusion letter
Number acquisition module 2, shaping pulse module 3, A/D modular converters 4, residual liquid level monitoring modular 5, parameter setting module 6, image are adopted
Collect module 7, alarm display module 8, motor drive module 9, stepper motor 10, memory module 11, power supply module 12, the transfusion
The output end of signal acquisition module 2 is connected with the input of shaping pulse module 3, and transfusion signal acquisition module 2 is defeated for gathering
The velocity information of liquid signal, and the velocity information of the transfusion signal is sent to the input of shaping pulse module 3；The arteries and veins
Shaping Module 3 is rushed to be used to carry out shaping pulse processing to the velocity information of the transfusion signal, and after shaping pulse is handled
The velocity information of transfusion signal is sent to the input of A/D modular converters 4；The A/D modular converters 4 are used for shaping pulse
The velocity information of transfusion signal after reason carries out analog-to-digital conversion process, and the signal after analog-to-digital conversion process is sent to control mould
The input of block 1；The signal that the control module 1 is used to send A/D modular converters 4 parses, and control module 1 will solve
Velocity information after analysis is respectively sent to alarm display module 8, monitor supervision platform；The alarm display module 8, monitor supervision platform are used
To show transfusion speed；Meanwhile control module 1 is according to the transfusion speed of inner setting, the drop by stepper motor 10 to transfusion
Speed is adjusted；The input of the control module 1 is adopted with residual liquid level monitoring modular 5, parameter setting module 6, image respectively
Collection module 7, the output end of power supply module 12 are connected, the input connection camera of described image acquisition module 7；Control module 1
Output end connect alarm display module 8, the input of motor drive module 9, the output end of the motor drive module 9 respectively
Connect the input of stepper motor 10, two-way communication link between the control module 1 and memory module 11.
Parameter setting module 6 is used to set the suitable transfusion speed in the inside of control module 1.
Camera is used for the image for gathering the state of woven hose in real time, and the image information of collection is sent to IMAQ
Module 7, described image acquisition module 7 send image information to monitor supervision platform by control module 1.
Residual liquid level monitoring modular 5 is used to detect in the woven hose of a certain setting height whether have liquid to flow through, if do not had
Have, send a signal to control module 1, control module 1 sends information respectively to monitor supervision platform and alarm display module 8, reminded
Nurse changes infusion bottle in time.
For example, the memory module 11 is FLASH memory.
As shown in figure 3, the control module 1 also electrically connects between reset circuit, reset circuit include the first chip and
Second chip, the model SP708S chips of first chip, the model SN74HC125N chips of the second chip；It is described
The pin 1 of SP708S chips is by switching the pin 3 of connection SP708S chips, one end of pin 4 and first resistor R1 and connecing
Ground, the other end of the first resistor R1 connect respectively the pin 7 of SP708S chips, SN74HC125N chips pin 1,
The pin 4 of SN74HC125N chips, pin 2, pin 5, the pin 7 of SN74HC125N chips are grounded, SN74HC125N chips
Pin 3, pin 6 pass through second resistance R2,3rd resistor R3 connection power supplys respectively.
As shown in figure 4, the shaping pulse module 3 includes the first NOT gate, the input connection transfusion of first NOT gate
The output end of signal acquisition module 2, the output end of the first NOT gate connect the 4th resistance R4 one end, and the 4th resistance R4's is another
One end connects the first electric capacity C1 one end and the input of the second NOT gate, the output end connection of second NOT gate respectively
The pin 3 of 74HC74 chips, the pin 2 of the 74HC74 chips connect the 5th resistance R5 one end and triode current collection respectively
Pole, the other end connection power supply of the 5th resistance R5, channel radio between the base stage of the triode and the first light emitting diode
Letter connection, triode and the first light emitting diode are distributed in the both sides of woven hose respectively, the grounded emitter of the triode,
The pin 5 of 74HC74 chips connects the input of A/D modular converters 4.
As shown in figure 5, the power supply module 12 includes power conversion chip, the model of the power conversion chip
LM1117 chips, the inputs of the LM1117 chips connect respectively the second electric capacity C2 one end, the second diode D2 negative pole,
And power supply, the positive pole of the second diode D2 pass sequentially through switch, the second electric capacity C2 of the power supply connection other end and ground connection,
The second electric capacity C2 other end connects the 3rd electric capacity C3 one end, the 4th electric capacity C4 one end, the 6th resistance R6 one end respectively,
The other end of the 6th resistance R6 connects the 3rd light emitting diode D3 negative pole, the positive pole point of the 3rd light emitting diode D3
Not Lian Jie the 3rd electric capacity C3 the other end, the 4th electric capacity C4 other end, the output end of LM1117 chips and 3.3V power supplys.
5V DC voltages are converted to 3.3V power supplys by LM1117 chips, power supply voltage regulation filtering are carried out by 3 electric capacity, for this
Invention provides stable power supply, and the 3rd light emitting diode D3 is used to indicate power supply status, when power supply module 12 has power input
When, the 3rd light emitting diode D3 is lighted, and otherwise, the 3rd light emitting diode D3 extinguishes.
The control module 1 includes control chip, the model STM32 family chips of the control chip；The motor
Drive module 9 includes motor drive ic, the model L293D of the motor drive ic；The stepper motor 10 uses
15BY20 type permanent magnetic step motors；The alarm display module 8 includes LED display and buzzer.
The working method of this infusion electronic monitoring system is as follows：When power supply module 12 has power input, the transfusion signal
Acquisition module 2 gathers the velocity information of transfusion signal in real time, and the velocity information of the transfusion signal is sent to shaping pulse
The input of module 3；The shaping pulse module 3 carries out shaping pulse processing to the velocity information of the transfusion signal, and will
The velocity information of transfusion signal after shaping pulse processing is sent to the input of A/D modular converters 4；A/D modular converters 4 are to arteries and veins
The velocity information for the transfusion signal rushed after Shape correction carries out analog-to-digital conversion process, and the signal after analog-to-digital conversion process is sent
To the input of control module 1；The signal that control module 1 is sent to A/D modular converters 4 parses, and control module 1 will solve
Velocity information after analysis is respectively sent to alarm display module 8, monitor supervision platform；The alarm display module 8, monitor supervision platform are used
To show transfusion speed；If transfusion speed deviate from the transfusion speed of the inner setting of control module 1, control module 1 controls
Motor drive module 9 is worked, and Driving Stepping Motor 10 is adjusted to the drop speed of transfusion；Residual liquid level monitoring modular 5 detects certain
Whether there is liquid to flow through in the woven hose of one setting height, if not provided, sending a signal to control module 1, control module 1 is sent
Information to monitor supervision platform and alarm display module 8, reminds nurse to change infusion bottle in time respectively.
In whole work process, camera gathers the image of the state of woven hose in real time, and by the image information of collection
Send to image capture module 7, described image acquisition module 7 and send image information to monitor supervision platform by control module 1.
Above content is to combine the further description that specific preferred embodiment is made to the present invention, it is impossible to assert this
The embodiment of invention is confined to these explanations.For general technical staff of the technical field of the invention,
The other embodiment drawn in the case where not departing from technical scheme, should be included within the scope of the present invention.
Claims (9)
- A kind of 1. infusion electronic monitoring system based on ZigBee technology, it is characterised in that：It is more including multiple transfusion monitoring devices The input of the individual transfusion monitoring device connects the output end of host computer, multiple monitoring infusion dresses by CAN The output end put connects the input of ZigBee module respectively, and the output end of multiple ZigBee modules demodulates with ZigBee Radio communication connects between the input of device, and the output end of the ZigBee demodulators connects with monitor supervision platform and mobile phone terminal respectively Connect.
- A kind of 2. infusion electronic monitoring system based on ZigBee technology as claimed in claim 1, it is characterised in that：It is described defeated Liquid supervising device include control module (1), transfusion signal acquisition module (2), shaping pulse module (3), A/D modular converters (4), Residual liquid level monitoring modular (5), parameter setting module (6), image capture module (7), alarm display module (8), motor driving Module (9), stepper motor (10), memory module (11), power supply module (12), wherein,The output end of the transfusion signal acquisition module (2) is connected with the input of shaping pulse module (3), transfusion signal collection Module (2) is used for the velocity information for gathering transfusion signal, and the velocity information of the transfusion signal is sent to shaping pulse mould The input of block (3)；The shaping pulse module (3) is used to carry out the velocity information of the transfusion signal shaping pulse processing, and by pulse The velocity information of transfusion signal after Shape correction is sent to the input of A/D modular converters (4)；The velocity information that the A/D modular converters (4) are used for the transfusion signal after handling shaping pulse is carried out at analog-to-digital conversion Reason, and the signal after analog-to-digital conversion process is sent to the input of control module (1)；The signal that the control module (1) is used to send A/D modular converters (4) parses, and control module (1) will parse Velocity information afterwards is respectively sent to alarm display module (8), monitor supervision platform；The alarm display module (8), monitor supervision platform are equal For showing transfusion speed；Meanwhile control module (1) is according to the transfusion speed of inner setting, by stepper motor (10) to defeated The drop speed of liquid is adjusted；The input of the control module (1) respectively with residual liquid level monitoring modular (5), parameter setting module (6), IMAQ Module (7), the output end of power supply module (12) are connected, the input connection camera of described image acquisition module (7)；Control mould The output end of block (1) connects alarm display module (8), the input of motor drive module (9), the motor drive module respectively (9) input of output end connection stepper motor (10), two-way communication between the control module (1) and memory module (11) Connection.
- A kind of 3. infusion electronic monitoring system based on ZigBee technology as claimed in claim 2, it is characterised in that：The control Molding block (1) also electrically connects between reset circuit.
- A kind of 4. infusion electronic monitoring system based on ZigBee technology as claimed in claim 3, it is characterised in that：It is described multiple Position circuit includes the first chip and the second chip, the model SP708S chips of first chip, the model of the second chip SN74HC125N chips；The pin 1 of the SP708S chips connects the pins 3 of SP708S chips, pin 4 and the by switching One resistance R1 one end and ground connection, the other end of the first resistor R1 connect respectively the pin 7 of SP708S chips, The pin 1 of SN74HC125N chips, the pin 4 of SN74HC125N chips, pin 2, pin 5, the pin 7 of SN74HC125N chips It is grounded, pin 3, the pin 6 of SN74HC125N chips pass through second resistance R2,3rd resistor R3 connection power supplys respectively.
- A kind of 5. infusion electronic monitoring system based on ZigBee technology as claimed in claim 4, it is characterised in that：The arteries and veins Rushing Shaping Module (3) includes the first NOT gate, the output of the input connection transfusion signal acquisition module (2) of first NOT gate End, the output end of the first NOT gate connect the 4th resistance R4 one end, and the other end of the 4th resistance R4 connects the first electricity respectively Hold C1 one end and the input of the second NOT gate, the pin 3 of the output end connection 74HC74 chips of second NOT gate is described The pin 2 of 74HC74 chips connects the 5th resistance R5 one end and transistor collector respectively, and the 5th resistance R5's is another One end connects power supply, and radio communication connects between the base stage of the triode and the first light emitting diode, triode and the first hair Optical diode is distributed in the both sides of woven hose, the grounded emitter of the triode respectively, and the pin 5 of 74HC74 chips connects A/ The input of D modular converters (4).
- A kind of 6. infusion electronic monitoring system based on ZigBee technology as claimed in claim 5, it is characterised in that：The confession Electric module (12) includes power conversion chip, the model LM1117 chips of the power conversion chip, the LM1117 chips Input connect the second electric capacity C2 one end, the second diode D2 negative pole and power supply, the second diode D2 respectively Positive pole pass sequentially through switch, power supply connect the second electric capacity C2 the other end and ground connection, the second electric capacity C2 other end connect respectively The 3rd electric capacity C3 one end, the 4th electric capacity C4 one end, the 6th resistance R6 one end is connect, the other end of the 6th resistance R6 connects The 3rd light emitting diode D3 negative pole is connect, the positive pole of the 3rd light emitting diode D3 connects the another of the 3rd electric capacity C3 respectively End, the 4th electric capacity C4 other end, the output end of LM1117 chips and 3.3V power supplys.
- 7. a kind of infusion electronic monitoring system based on ZigBee technology as described in claim 1~6 any one, its feature It is：The control module (1) includes control chip, the model STM32 family chips of the control chip.
- A kind of 8. infusion electronic monitoring system based on ZigBee technology as claimed in claim 7, it is characterised in that：The electricity Machine drive module (9) includes motor drive ic, the model L293D of the motor drive ic；The stepper motor (10) Using 15BY20 type permanent magnetic step motors.
- A kind of 9. infusion electronic monitoring system based on ZigBee technology as claimed in claim 8, it is characterised in that：The report Alert display module (8) includes LED display and buzzer.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710600131.7A CN107357207A (en) | 2017-07-21 | 2017-07-21 | A kind of infusion electronic monitoring system based on ZigBee technology |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710600131.7A CN107357207A (en) | 2017-07-21 | 2017-07-21 | A kind of infusion electronic monitoring system based on ZigBee technology |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2808160Y (en) * | 2005-07-06 | 2006-08-23 | 重庆邮电学院 | Transfusion-monitoring device |
| CN202044580U (en) * | 2011-02-17 | 2011-11-23 | 东华大学 | Transfusion system based on CAN (Controller Area Network) bus |
| CN203090095U (en) * | 2013-03-14 | 2013-07-31 | 邵磊 | Intelligent monitoring system for infusion |
| CN105944184A (en) * | 2016-06-24 | 2016-09-21 | 钦州学院 | Intelligent transfusion monitoring device |
-
2017
- 2017-07-21 CN CN201710600131.7A patent/CN107357207A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2808160Y (en) * | 2005-07-06 | 2006-08-23 | 重庆邮电学院 | Transfusion-monitoring device |
| CN202044580U (en) * | 2011-02-17 | 2011-11-23 | 东华大学 | Transfusion system based on CAN (Controller Area Network) bus |
| CN203090095U (en) * | 2013-03-14 | 2013-07-31 | 邵磊 | Intelligent monitoring system for infusion |
| CN105944184A (en) * | 2016-06-24 | 2016-09-21 | 钦州学院 | Intelligent transfusion monitoring device |
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Application publication date: 20171117 |