CN109008954A - Monitoring and the integrating device for collecting infant feeding skill data - Google Patents
Monitoring and the integrating device for collecting infant feeding skill data Download PDFInfo
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- CN109008954A CN109008954A CN201810539832.9A CN201810539832A CN109008954A CN 109008954 A CN109008954 A CN 109008954A CN 201810539832 A CN201810539832 A CN 201810539832A CN 109008954 A CN109008954 A CN 109008954A
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- measuring unit
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2503/00—Evaluating a particular growth phase or type of persons or animals
- A61B2503/06—Children, e.g. for attention deficit diagnosis
Abstract
The invention belongs to technical field of medical equipment, specially monitor and collect the integrating device of infant feeding skill data.The present invention includes measuring unit, charhing unit and data collector three parts at device；Measuring unit is for the positive pressure of baby's cavity interior and the acquisition and transmission of negative pressure signal；Measuring unit includes nipple, signal acquisition sending module, power supply module；Nipple module is replaceable consumptive material, can dismantle or be connected on device, is used for isolation signals acquisition module；Signal acquisition and sending module are used to acquire the positive pressure and negative pressure signal of cavity interior, and are sent to charhing unit；Charhing unit is made of wireless charging module, wireless receiver and transmitter, for receiving the data of measuring unit transmission, and gives measurement power source charges；Data sink is host computer and software, for receiving data transmitted by charhing unit.The present invention is easy to use, can available energy monitoring and assessment newborn's mouth motion function.
Description
Technical field
The invention belongs to technical field of medical equipment, and in particular to monitoring and the integrated dress for collecting infant feeding skill data
It sets.
Background technique
Currently, there is some equipment for clinical center for assessing the case where baby orally breast-feeds on world market.But
These equipment are not suitable for measurement comprehensively and feed parameter and index.Such as NTrainer system (Innara Health, Inc.) is one
Kind of FDA II grades of bio-feedback arrangement allows to assess and train and neonatal non-nutritive sucks (NNS).Such as The
Pacifier Activated Lullaby(PAL) be a kind of intelligent Pacifier (Powers Medical Devices,
LLC), it provides positive audible feedback, the sound including music or mother, to respond effective suck.Evidence suggests,
This feedback can promote to suck skill development and accelerate the realization for independently sucking (NS).NFANT feeds liquid (NFANT
Labs, LCC) can during sucking non-invasive measurement nipple movement, and can be used together with standard feeding bottle with nipple.
The technological core of this system is portable multi-purpose electronic unit, it can assess the movement and strength of tongue.This solution
Scheme can assess NNS and NS, but it cannot assess other necessary physiological activities simultaneously, such as breathe and swallow.
Summary of the invention
The purpose of the present invention is to provide a kind of collection that conveniently, correctly can monitor and collect infant feeding skill data
At device.
The integrating device of monitoring and collection infant feeding skill data provided by the invention, by recording and handling by baby
Hard palate and tongue between compress sucking pressure and normal pressure caused by nipple, neonatal mouth motion function is assessed with this
It can be with Oral feeding ability.
It is provided by the invention monitoring and collection infant feeding skill data integrating device, be one kind can measuring mouth it is intracavitary
Negative pressure, as the device of pressure of inspiration(Pi), and the device of measurement positive pressure pressure.The present invention is also that a kind of can be used for hospital clinical
Integrating device because it be designed to it is compatible with present medical conventional nipple.Moreover, all attachmentes of the invention all may be used
To be replaced as medical disposable material.All data can also be wirelessly transmitted to server and are monitored by the present invention, collected and located
Reason.
The integrating device of monitoring and collection infant feeding skill data provided by the invention, comprising: measuring unit, charging are single
Member and data collector three parts；Wherein:
The measuring unit, for the positive pressure of baby's cavity interior and the acquisition of negative pressure signal and transmission；Measuring unit includes milk
Mouth, signal acquisition and sending module, power supply module；Wherein, nipple is replaceable consumptive material, can dismantle or be connected to device
On, it is used for isolation signals acquisition module, is placed on baby's cavity interior；Signal acquisition and sending module, it is intracavitary for acquisition port
The positive pressure and negative pressure signal in portion, and it is sent to charhing unit；
In the measuring unit, there are two different pressure sensors for tool, one of them is for measuring negative pressure (IP), another use
In measurement positive pressure (EP)；
In the measuring unit, the nipple is fixed on the main body outer framework of the measuring unit, and nipple is by the nipple
It is inside and outside to insulate other than milk chases after the hole at top.The intraoral sucking pressure of nipple internal measurement baby；
In the measuring unit, Pasteur's dropper is equipped with inside nipple, which is located at and is located at the special center in main body
Guan Shang generates positive pressure to sensor by the hard palate of baby and the normal pressure of tongue；
The charhing unit includes wireless charging module, wireless receiver and transmitter, and wireless receiver and transmitter form nothing
Line communication unit, wireless charging module are used to give measurement power source charges, and wireless receiver is used to receive the number of measuring unit transmission
According to received data are sent to host computer by transmitter.
Apparatus of the present invention, which can be placed in, carries out wireless charging on charhing unit.
The data collector is host computer and software, for receiving and storing data transmitted by charhing unit.
In the present invention, charhing unit is connected to PC by USB, can be same by particular application to control and to collect
The data of step；Charhing unit can be communicated with measuring unit, be observed and assessed measurement parameter in real time, and can incite somebody to action
Data transfer is simultaneously stored on PC.
In the present invention, the data include: that negative pressure value in the mouth that nipple generates is compressed between hard palate and tongue by baby
With positive pressure value.
In the present invention, measuring unit and charhing unit are two base units, this two parts needs the use that mutually matches, with
Just it charges for battery and transfers data to the end PC (as data collector) and handled.Charhing unit must be connected to the end USB
Eloquence can work.The working principle of device is as follows: the ADC that two pressure sensors of measuring unit are connected to microcontroller is mono-
Member, for converting analog signals into digital signal；Digital signal is by CPU(u-Controller) it collects, for pre-processing simultaneously
It is sent to serial interface unit；Finally, data are sent to the wireless communication unit of charhing unit by bluetooth, then retransmit
Into the host computer of data collector.The power supply of the device is provided by rechargeable battery, can be carried out by charhing unit wireless
Charging, therefore, whole device can isolate, and is not necessarily to any connection device, is conducive to sterilize.
When using measuring unit, Pasteur's dropper is placed on dedicated position, on nipple cover and lid will be closed.The number of measurement
According to being sent to charhing unit and be stored in storage card.Data are sent data to by the bluetooth module in charging module
In the machine of position, and data displaying is carried out by software.Operator can see the data of result and collection on a memory to locate
Reason.Measuring unit is designed to that now medical conventional nipple can be compatible with.Moreover, all attachmentes of the invention can be made
For medical disposable material replacement.
After booting, equipment will start to measure external pressure (EP) and internal pressure (IP) simultaneously with 20 hertz of sample rates, and be saved
In memory internal card.Nipple is put into the mouth of baby by operator, not only can be in individual to test the feeding technical ability of baby
The numerical value of detection is shown on computer, can also save result for processed offline.
The technology of the present invention effect
In the recent period, the most important hot issue of children's hospital first is that the nursing skill of baby, especially premature.Due to infant
The case where nursing skill deficiency monitoring device, doctor is to Infants'feeding technical ability, does not know about simultaneously.Therefore, when they need to spend more
Between observe the baby in intensive care unit (N.I.C.U).This not only causes various costs and burden to neonatal family,
And various costs are also resulted in society and government.In addition, obtaining life of the Major Foods to baby in the first six months of life
Length is extremely important.The present invention is for wireless monitor and to collect the integrated equipment for assessing the data of Infants'feeding technical ability.Mesh
Before, many scholars and scientific team all develop some systems in this field, but the present invention possesses unique advantage.Example
Such as, it can be used in the broad scale research in the field, reason is that some of which is as described below:
Since the measuring appliance component has memory, can be used in the case where no PC；
It is compatible with conventional nipple due to the design of measuring device.Therefore, entire measuring device does not need to sterilize, favorably
In saving time and cost；
It is designed according to the power supply of the system, portable use, can be highly suitable for using for a long time with wireless charging；
In addition, the present invention is easy to use, and have suitable performance to reach newborn's mouth motion function monitoring and assessment
Target.
Detailed description of the invention
Fig. 1: system principle flow chart.
Fig. 2: microcontroller PCB schematic diagram.
Fig. 3: EP and IP sensor PCB schematic diagram.
Fig. 4: data communication interface PCB schematic diagram.
Fig. 5: programming and debugging interface PCB schematic diagram.
Fig. 6: SD card slot PCB schematic diagram.
Fig. 7: power management section PCB schematic diagram.
Fig. 8: battery and live part PCB schematic diagram.
Fig. 9: measuring unit structure chart.
Figure 10: charhing unit structure chart.
Figure 11: the flow chart of main sequence.
Figure label: 1 is measuring unit, and 2 be sensor, and 3 be IP sensor, and 4 be EP sensor, and 5 be process and ditch
Logical, 6 be analog-digital converter (ADC), and 7 be microprocessor, and 8 be serial unit: universal synchronous/asynchronous receiver transmitter
(USART), 9 be memory, and 10 be wireless communication unit, and 11 be power supply and power management, and 12 be charhing unit, and 13 connect for USB
Mouthful, 14 power managements, 15 be bluetooth module, and 16 be data collector；17 be microcontroller, and 18 be reference voltage, 19 for EP and
IP sensor, 20 be MP3V5050GP sensor, and 21 be MP3V5050VC6U sensor, and 22 and 23 be amplifier, and 24 and 25 are
Resistor, 26 be data communication interface, and 27 be USART interface, and 28 be blue tooth interface, and 29 be programming and debugging interface, and 30 are
SD card slot, 31 be power management section, and 32 be the button key for being used to open/closing system, and 33 be the list for controlling power supply line
Door D flip-flop, 34 be MAX1674EUA converter, and 35 be 5V to 3.3V voltage-stablizer, and 36 be resitstance voltage divider, and 37 be battery
And live part, 38 be coil, and 39 be MAX1555, and 40 be single-unit Li-Po battery, and 41 be latch closure, and 42 be medical nipple, and 43 are
Pasteur's dropper, the outer framework of 44&45 main body, 46 be the structure of fixed nipple, and 47 be the spiral lamination for installing nipple, and 48 be use
In the ventilation pipe of fixed dropper ball, 49 be the ventilation pipe for incuding nipple internal negative pressure, and 50 is are that component is put into frame
The space of frame, 51 be measuring system main PCB, 52 for for will from the pipeline of the pressure orientation sensor inside nipple,
53 be Li_Po battery, and 54 be the coil of charhing unit, and 55 be the mounting plate for package system bottom；56 be charhing unit
Main body, 57 be the coil for power transmission to measuring system to charge, and 58 be bluetooth HC-05 module, and 59 be USB-
USART converter, 60 be the bottom plate for assembling charhing unit, and 61 be USB line.
Specific embodiment
The present invention includes three major parts: measuring unit 1, charhing unit 12, data collector (PC) 16.Wherein:
The measurement part described in Fig. 1 and Fig. 2 of part 1 forms.In the present invention, two kinds of pressure sensor has been used
19.Because the output of sensor 2 is analog signal, sensor requires connect to the ADC unit 6 of microcontroller 5, is used for mould
Quasi- signal is converted to digital signal.Later, digital signal will be by CPU(processor) 7 acquisition and pre-process and be sent to serial interface
Mouth unit.Finally, data will be sent to control unit 12 by unit-" bluetooth module " 10 by wireless communication, it is sent to number later
According to acquisition terminal, which can be desktop computer or mobile device 6.All data will be kept in memory.
Negative pressure in measuring mouth uses " MP3v5050vc6U " (21), measures normal pressure, uses " MP3V5050GP " (20)；
These sensors are produced by NXP and are all linear analogue output.The output end of sensor places two individually bufferings respectively
Device, the design of these buffers is based on low-power consumption and low noise integrated operational amplifier IC " MAX4163EUA " (22&23), this is put
There are two independent amplification modules for big utensil.It needs to improve output gain under specific occasion, to improve the sensitivity of system
When, gain can be adjusted according to the following formula by special resistors (resistance 24 is used for IP for EP and resistance 25):
By default, the value of resistor is equal.
In order, VEP and VIP is measured by 10 analog-digital converters (ADC), which is equipped with microcontroller
" ATmega8a " 17 is used as peripheral equipment." Atmega8a " with 8 channel ADC input, wherein 3 channels for measure EP, IP and
The voltage of battery.In addition to this, in this case, " LM4050AEM-3 " is accurate two-terminal shunt mode band-gap reference
Voltage source is used as voltage reference 18.The value of reference voltage is 3 volts.
" ATmega8a " is a high-performance, and 8 8-digit microcontroller of AVR of low-power consumption can be used as the center list of measuring unit
Member executes: obtaining the analog signal obtained from IP and EP sensor and battery capacity；Save the data in memory 30；Management
With the communication of remote data acquisition unit.
According to system algorithm, after opening measuring instrument, 3 are placed on the LED in cabinet as display and start flashing 3 times,
Then system enters init state.Port, peripheral hardware, memory and communication module successively initialize, and then program enters normal
Circulation.Therefore, in this circulation, be first carried out " send_data() ".In fact, the function of the subprogram is the company of reading
It is connected to the value of the ADC channel of EP and IP sensor 2 and the battery charging sampling output of terminal 36.According to sensing data table, sensing
The sensitivity of device is 54(mv/kPa), the reference voltage of ADC is 3 volts, and the resolution ratio of ADC is 10 in the invention, pressure
It is as follows to be worth calculation formula:
Reference value=3, transducer sensitivity=0.054, ADC value when offset=initialization.
Then, result is sent to communication module by algorithm.Bluetooth module (HC-05) has been used in this section.Due to the mould
Block is easy to use, easy to use, and also with good performance in terms of longtime running, meets requirement of system design. "HC-
05 " for being converted to bluetooth for serial ports.
The module is there are two types of operating mode: main equipment and from equipment.When two MCU are in communication with each other, one is connected to indigo plant
Tooth main equipment, another is connected to from equipment, they can be communicated when master-slave equipment successful matching.This bluetooth connection
It is equivalent with serial port connection (including RXD, TXD signal), and blue tooth serial module can be used to be in communication with each other.When MCU has
When having bluetooth from module, it can be communicated with the Bluetooth adapter of computer and smart phone.Then, MCU and computer
Or just there is a virtual Serial Port Line between smart phone.In this patent, measuring unit uses bluetooth as slave, and
Data collector is used as main equipment.
Therefore, in measuring instrument, bluetooth module 28 works together with USART peripheral hardware, and is connected to the USART of microcontroller
Port 27.
Universal synchronous and asynchronous serial receiver and transmitter 26(USART) it is that the serial communication of high flexible a kind of is set
It is standby.USART is initialized as following characteristics:
8 data, 1 stopping, no parity, baud rate 9600.
According to algorithm, data will be sent in the form of every 50 milliseconds three packets, as follows:
After sending data packet by bluetooth, data will be saved in the next line of memory.SD card work has been used in this system
Data are recorded for memory.Because under normal conditions, SD card has good high capacity data record store function, and has
There is the SPI protocol for communication.Therefore, they can be with high speed writein and reading data.
The present invention is powered by battery 40.Battery used in device is lithium polymer battery, it is made in wearable device
One of best battery.The lithium polymer battery is with 3.7 volts of output and the capacity of 500 milliampere hour.Due to system
Analog portion such as analog references and sensor need 3.3 volts of burning voltage, and bluetooth module needs 5 volts of power supplies.Therefore, it fills
It sets and " MAX1674EUA " (34) has been used to configure DC-DC converter (31).In fact, this is a high efficiency, low source current,
Compact boosting type converter IC, is produced by Maxim Integrated, is suitable for such case." MAX1674EUA's " is defeated
It is adjusted to 5 volts out, for providing the component for needing 5 volts of operating voltages, and other need the component of 3.3 volts of operating voltages then to use
" TLV703 " (35) are used as 3.3V voltage regulator." TLV703 " series low pressure difference linear voltage regulator is low quiescent current device,
With outstanding route and load transient performance.Possess high power supply rejection ratio (PSRR) and low drop voltage, also has low defeated
Out the features such as noise, therefore the device is highly suitable for various being that battery is powered.
For switch, the D flip-flop for using " 74LVC1G74 " is opened and closed." 74LVC1G74 " is that have list
Solely data (D), clock (CP) input, set (SD') and stop (RD') input and single just edge triggering D type touching of complementation Q and Q
Send out output of the device driving Mosfet transistor as power switch 33.In order to trigger this part of system, microswitch is used
32, the trigger data pin of trigger can be made to change output state.
Since Li-Po rechargeable battery 40 is used in the present invention, it is therefore desirable to charge to particular sequence, in this project
" MAX1555 " 39 is used.In addition, there are one monitor LED lights for the panel, it is used to indicate charging situation.
Charger part 37 needs to charge to battery.Because PCB should be isolated, power transmission to power supply
It is that wireless charging is carried out by induction coil 38.
In order to debug and program microcontroller, is remained in the present invention and be connected to power pins and ISP programming pin 29.It needs
When being programmed to microcontroller, programmable device can be connected to connector and be programmed using the method for ISP.
As previously mentioned, measuring instrument unit is that one kind can measure EP, the equipment that IP and battery level are used as, then by data
It is transferred to charhing unit and is finally transferred to data acquisition unit and be monitored, save and handle.In addition, it also has power supply,
Voltage control system needed for charging and control system.
Fig. 9 is the structure chart of measuring unit, comprising: a latch closure (41), for solid in the internal main body with spiral
Fixed and verification nipple；One usually used medical grade silica gel nipple (42)；One medical grade Pasteur dropper (43), is fixed on master
On EP pipe on the inside of body and nipple, for making EP sensor obtain EP signal, which passes through the tongue and hard palate in baby
Between compress and generate positive pressure；The outer framework (44&45) of main body, interior includes all measurement parts；The outer framework (44&45) of main body
For fixing the ventilation pipe (48) of dropper ball；For incuding the ventilation pipe (49) of nipple internal negative pressure；Helical screw (47),
For closing positioning ring thereon；For nipple that is fixed and verifying；For accommodating the space (50) of entire electronic component；
All electronic components are all mounted on mainboard (51), it is mounted on body interior, and material can be medical grade plastic；Two soft
It manages (52), positive/negative-pressure is guided to corresponding sensor；Single-unit Li-Po battery (53), provides the power supply of electronic building brick；Inductor wire
It encloses (54), provides power supply for battery charger component；The mounting plate (55) of one piece of bottom, in the master for being mounted on bottom part body
It is closed and is opened in vivo.
Charhing unit is made of three major parts, shown in Figure 10.It include: charhing unit main body (56), wherein including institute
There is charhing unit component, and there is the flat site for placing measuring unit at top.One inductance coil (57), being used for will
Power transmission charges to measuring unit.As the bluetooth module (58) of main equipment, for matching measuring unit.USB adaptation
Device (59), as the interface between bluetooth (15) and data acquisition unit or PC.USB data line (61), for covering in main body
The bottom plate (60) in portion.In fact, " charhing unit " is a kind of wireless charger and bluetooth transmitters, for matching with measuring appliance unit
It is right, so that data are transmitted and received between data acquisition unit and measuring appliance unit.
The third party of this integrating device is the execution software that be mounted on as data collector on PC.Figure 11
Give the main sequence flow of the application program.
Claims (7)
1. the integrating device of a kind of monitoring and collection infant feeding skill data characterized by comprising measuring unit, charging
Unit and data collector three parts；Wherein:
The measuring unit, for the positive pressure of baby's cavity interior and the acquisition of negative pressure signal and transmission；Measuring unit includes milk
Mouth, signal acquisition and sending module, power supply module；Wherein, nipple is replaceable consumptive material, can dismantle or be connected to device
On, it is used for isolation signals acquisition module, is placed on baby's cavity interior；Signal acquisition and sending module, it is intracavitary for acquisition port
The positive pressure and negative pressure signal in portion, and it is sent to charhing unit；
The charhing unit includes wireless charging module, wireless receiver and transmitter, and wireless receiver and transmitter form nothing
Line communication unit, wireless charging module are used to give measurement power source charges, and wireless receiver is used to receive the number of measuring unit transmission
According to received data are sent to host computer by transmitter；
The data collector is host computer PC and software, for receiving data transmitted by charhing unit；
Charhing unit is connected to PC by USB, to control and collect can be by the synchronous data of particular application；Charging
Unit is communicated with measuring unit, is observed and assessed measurement parameter in real time, and by data transfer and be stored in
On PC.
2. integrating device according to claim 1, which is characterized in that measuring unit and charhing unit this two parts mutually match
It uses, is handled so that the end PC is charged and transferred data to for battery, charhing unit is connected to USB port；The work of device
It is as follows to make principle: two pressure sensors of measuring unit are connected to the ADC unit of microcontroller, for converting analog signal
For digital signal；Digital signal is collected by CPU, for pre-processing and being sent to serial interface unit；Finally, data pass through bluetooth
It is sent to the wireless communication unit of charhing unit, is then re-send in the host computer PC of data collector；Installation's power source by
Rechargeable battery provides, or carries out wireless charging by charhing unit.
3. integrating device according to claim 1, which is characterized in that different pressure passes there are two having in the measuring unit
Sensor, one of them is for measuring negative pressure (IP), another is for measuring positive pressure (EP).
4. integrating device according to claim 1, which is characterized in that be equipped with Pasteur in the measuring unit, inside nipple and drip
Pipe, which is located at and on the special central tube that is located in main body, by the hard palate of baby and the normal pressure of tongue to biography
Sensor generates positive pressure.
5. integrating device according to claim 1, which is characterized in that the data include: by baby hard palate and tongue it
Between compression nipple generate mouth in negative pressure value and positive pressure value.
6. integrating device according to claim 1, which is characterized in that the structure of the measuring unit includes:
One latch closure (41), for fixed in the internal main body with spiral and verification nipple；
One medical grade silica gel nipple (42)；
One medical grade Pasteur dropper (43), is fixed on the EP pipe on the inside of main body and nipple, for making EP sensor obtain EP
Signal, the EP sensor generate positive pressure and compressing between the tongue and hard palate in baby；
Main body outer framework (44,45), interior includes all measurement parts, and the outer framework (44,45) of main body is for fixing dropper ball
Ventilation pipe (48)；
For incuding the ventilation pipe (49) of nipple internal negative pressure；
Helical screw (47), for closing positioning ring thereon；
For fixing and verifying the connector of screw thread；
For accommodating the space (50) of entire electronic component, all electronic components are all mounted on mainboard (51), are placed in main body
It is internal；
Two hoses (52), positive/negative-pressure is guided to corresponding sensor；
Single-unit Li-Po battery (53), provides the power supply of electronic building brick；
Inductance coil (54) provides power supply for battery charger component；
The mounting plate (55) of one piece of bottom, for being closed and being opened in the main body for being mounted on bottom part body；
Charhing unit is made of three major parts, comprising: charhing unit main body (56), wherein including all charhing unit portions
Part, and there is the flat site for placing measuring unit at top；One inductance coil (57) is used for power transmission to survey
Amount unit charges；As the bluetooth module (58) of main equipment, for matching measuring unit；USB adapter (59), as indigo plant
Interface between tooth (15) and data acquisition unit or PC；USB data line (61), for covering the bottom plate (60) of body interior；
In fact, " charhing unit " is a kind of wireless charger and bluetooth transmitters, for matching with measuring appliance unit, so as in data
Data are transmitted and received between acquisition unit and measuring appliance unit.
7. integrating device according to claim 1, which is characterized in that the structure of the charhing unit, comprising:
Charhing unit main body (56) wherein including all charhing unit components, and has at top for placing measuring unit
Flat site；
One inductance coil (57), for power transmission to charge to measuring unit；
As the bluetooth module (58) of main equipment, for matching measuring unit；
USB adapter (59), as the interface between bluetooth (15) and data acquisition unit or PC；
USB data line (61), for covering the bottom plate (60) of body interior.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110047345A (en) * | 2019-04-24 | 2019-07-23 | 河北工业大学 | The baby for preventing post-natal depression looks after Scene Simulation system |
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