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1 Introduction
With the continuous improvement of the medical system today, the degree of informatization of hospitals has been greatly improved. Now large hospitals have used the Hospital Information System (HIS), which is a product of the combination of hospital management with modern software technology and network technology. After the application of the HIS system, it is indeed convenient for the masses to seek medical treatment, and it also improves the level of medical service and hospital management.
However, the current HIS system cannot solve all problems. For example, baby anti-theft management in the department of obstetrics and gynecology, mother-to-child matching identification management, real-time positioning management of special patients, file electronic tag management, automatic identification management of medical equipment, etc., are all functions that are difficult for hospital information systems. With radio frequency identification technology (RFID)’S development and successful application in various fields, and its application advantages in the medical industry have also emerged. For special applications in the medical industry, the market has also continuously launched software and hardware products, which have contributed to improving the modernization of hospitals, making it more convenient for people to seek medical treatment, and facilitating hospital management.
Guangzhou Wenrui Electronic Technology Co., Ltd. is a company that develops and promotes radio frequency identification technology (RFID). It has had successful cases in many fields and has successively launched: retail store management system, personnel and article management system, conference sign-in management System, access control and attendance management system, etc.
The maternal and infant identification and infant anti-theft management system is a product that combines RFID technology with the medical industry. It will play a major role in the management of maternal and infant identification, infant anti-theft management, and access rights management in the obstetrics and gynecology department of large general hospitals or women and children hospitals. effect.
2 System application background
The obstetrics and gynecology department of the hospital usually wears a marking ring to the mother and the baby when the baby is born (until discharged from the hospital, the hospital stay is generally 3-4 days) to identify the mother and the baby. This sign ring is purely physical and can be easily exchanged. After the baby is born, the mother often tells the nurse not to mistake her child. Out of professional ethics and responsibility, nurses would definitely not want to make mistakes for their children. Therefore, when the nurses heard the instructions of the baby’s mother, they felt that they were uneasy about their work and inevitably felt unhappy in their hearts.
The existing management system of the hospital will not allow the family members who visit the baby to enter and limit the number of people, and control the casual entry and exit of the idle personnel. Even so, due to the eagerness of family members to visit mothers and babies, it is difficult to manage them in practice. And this adds to the hidden dangers in the work: the entrance door is open, the pedestrian stairs can also directly lead to the ward area, and each mother and baby room is also open, it is easy for outsiders to enter, and people in different mother and baby rooms can Just walk around…In this situation, it is inevitable that the newborn baby will report an error and the baby may be stolen.
In hospitals, it is also an occupational responsibility to prevent the wrong holding of the wrong baby, but from the perspective of the patient, adopt a reliable and reliable measure to prevent the wrong holding of the baby; and prevent people from entering and leaving at will, for unrelated personnel Entry is forbidden; prevent the suspect from leaving unimpeded with the baby.
The mother-infant identification and infant anti-theft management system is just such a system, which replaces traditional physical management methods with its great flexibility, applicability, reliability, and integrity.
Therefore, we have designed a mother-infant identification and infant anti-theft management system based on your actual situation and management needs. Its management system is based on the principle of openness, which not only supports centralized management, but also supports humanized services, which meets current and future development needs. Therefore, with the support of high-quality mother-infant identification and infant anti-theft management systems, the baby-friendly area of the hospital will be a comfortable, warm and convenient environment with both reasonable investment and high efficiency.
Thank you for giving us the opportunity to provide the design, construction and service of maternal and child identification and infant anti-theft management system for the baby-friendly area of obstetrics and gynecology. Our company is very honored and deeply grateful. We will provide a construction plan for maternal and infant identification and infant anti-theft management system based on your needs and with our mature technology in a sincere and rigorous professional spirit for your review.
3 Principles of System Design
Babies and mothers wear wristbands. The baby wristband contains an active long-distance RFID tag, and the mother’s wristband contains a source short-distance RFID tag. Once the baby’s wristband is worn, if it is removed, its active tag will be An alarm message will be sent through the system. And the wristband has a waterproof and moisture-proof treatment. The active RFID of the baby is used for the system to identify its range of motion, and the hand-held card reader for close inspection of the baby and the mother can intuitively identify the pairing relationship.
In terms of the number of wristbands, several pairs can be made according to the number of rooms in the mother-infant room and the number of beds, (each room can be set with multiple pairs, and then some additional temporary pairing cards can be set to meet the situation of insufficient rooms and temporary arrangements). Recycled and reused, or sold to family members as a souvenir when discharged from the hospital; in terms of appearance, the wristbands paired by mothers and babies can be designed to have the same shape and color, so that the wristbands of different mothers and babies can be easily distinguished in appearance; In use, before the system is used, the wristbands used by the mother and the baby are set up in a pairing relationship, and the child is born with the wristband until discharged from the hospital.
Arrange card readers in the activity space to collect baby information. Install locators in each room where the baby is located (distance adjustable, 3-8 meters), and install long-distance card readers (distance 20 meters) in the corridors. Each baby’s wristband information will be automatically uploaded to the application software management subsystem for data processing; the important peripheral channels are designed so that only authorized personnel can enter and exit. To the greatest extent, prevent irrelevant personnel from entering and leaving casually.
4 System design structure
From a functional point of view, the mother-infant identification and infant anti-theft management system includes an RFID subsystem, a communication subsystem, an application software management subsystem, and a power supply subsystem.
4.1 RFID subsystem
The RFID subsystem refers to the working area of the 2.4G wireless radio frequency system, which uses wireless communication. Fast, timely and efficient data collection of status information of mothers, infants, and medical staff, and alarms for abnormal situations. The system consists of card readers, tags, locators, and alarms. The layout of card readers and locators in the work area shall be subject to on-site needs.
4.2 Communication subsystem
The communication subsystem refers to the area that extends the data information collected by the RFID system to the data terminal equipment, and consists of connecting cables and data converters. The working area adopts RS485 communication mode, and the communication line uses RVVP6x0.3 6-core shielded twisted pair;
4.3 Application software management subsystem
The application software management subsystem refers to the area for analyzing and processing RFID data and sorting feedback, which is composed of application software. Perform fast, timely and efficient data analysis of personnel status information, display personnel status data to users in the form of intuitive and clear electronic maps, provide consistent and efficient data query mechanisms, and implement historical monitoring data query , Analysis and warning prompts. And control the RFID subsystem and communication subsystem hardware.
4.4 Power supply subsystem
The power supply subsystem refers to the area where power is supplied to the hardware of the RFID subsystem and the communication subsystem. Because the RFID subsystem and the communication subsystem both use 12V DC power supplies. There are two power supply modes in the work area: if centralized power supply is used, the 12V DC power supply line uses a double-core sheathed line above RVV2x0.5. If a distributed power supply method is adopted, each terminal device is equipped with a 12V DC power supply.
According to the actual situation and requirements of the baby-friendly area, we use a centralized power supply method to lay the power supply line here.
5 Schematic diagram of system network structure
(Wired communication, centralized power supply mode)
6 Schematic diagram of system hardware setup
7 System functions and system characteristics
7.1 Features
7.1.1 Provide comprehensive protection for newborn babies from the ward
The anti-theft management system for mother and child identification provides triple protection for the entire ward:
(1) Ward area monitoring
(2) Ward monitoring
(3) Entrance and exit monitoring.
The system achieves seamless coverage of the entire ward through comprehensive and multi-level monitoring. Provide comprehensive and meticulous protection for newborn babies from the ward.
7.1.2 The most distinctive positioning function
The system can not only accurately identify the baby, but also quickly locate the current location of each baby, mother, or nurse, and which room it is currently in. At the same time, the system can clearly show which babies, mothers or nurses are in each room, and record the route of the babies, mothers, or nurses.
7.1.3 Fast system alarm event processing
When an alarm event occurs, if the location of the alarm event cannot be quickly located, and the site cannot be quickly processed for processing, then the practicality of the system will be greatly reduced. Relying on the unique positioning function, this system can quickly indicate the exact location where the alarm occurred, and guide the nurse or security personnel to quickly reach the location where the alarm occurred.
And when an alarm event occurs in the system, the tag on the nurse’s hand will emit light and vibration prompts to remind the relevant nurse to deal with the alarm event quickly.
7.1.4 Provide reliable protection for newborn babies from the people around them
The anti-theft management system for mother and child identification provides the binding function between medical staff and infants, and mothers and infants. The system can monitor whether the baby is with his mother in real time, and monitor whether the baby is with the responsible nurse, so that the baby stays with a reliable person at all times.
The system provides interactive functions between newborn babies and medical staff, newborn babies and mothers. When incidents such as theft and wrongdoing occur, the bound medical staff and mother can be alerted in time. Let babies be protected by reliable people at all times.
7.1.5 Uninterrupted throughout the day, always pay attention to newborn babies
The mother and baby identification anti-theft management system provides uninterrupted monitoring of babies. The system constantly monitors where the baby is, monitors the people around the baby, and constantly monitors the system itself. Newborn babies are under the attention of the system all day long.
7.2 System function
1) Area recognition, positioning and tracking functions of electronic tags
▲The system can monitor the entire ward area where the equipment is deployed, and has the ability to locate and track tags in the area.It can monitor the location of patients wearing anti-theft tags in real time, and track and record the movement of patients, which can implement monitoring and protection more effectively
2) Area recognition, positioning and tracking functions of alarm events
▲The system can monitor the entire ward area where the equipment is deployed, and has the ability to locate events in the area. In the event of theft, equipment destruction, etc., the alarm can be triggered immediately and the location of the alarm event can be located, effectively improving the processing speed of the alarm and preventing the theft in time. Fast and sensitive alarm function;
3) Unique anti-lock error function (for maternal and infant systems)
▲Bundling monitoring functions for mothers and babies are provided. If the baby does not leave the ward under the leadership of the mother or medical staff, or the baby is mistakenly placed in the ward of other mothers, the system will immediately trigger an alarm, minimizing the occurrence of wrong holding incidents.
4) Entry and exit monitoring function
▲The system provides entrance and exit monitoring functions. Once a patient with an anti-theft tag enters the entrance and exit surveillance area (0.6-3.5 meters from the entrance and exit) without permission, it will immediately send a message to the control computer via a dedicated line to trigger an alarm.
5) Friendly real-time electronic map display function
▲The system adopts electronic map display, which can display the floor plan of the hospital and related information; in the ward area where the system is configured
Inside, the number and working status of tags in each area can be displayed in real time;
▲The system has the function of locating alarm events. When an alarm event occurs, it can immediately locate the location of the event, sound a prompt sound, pop up an alarm box, and immediately call up the corresponding map, and make a mark at the corresponding location;
6) Convenient and quick admission and discharge operation function (this function needs to be customized according to customer needs)
▲The system supports laser scanning guns, ID card readers and other methods (optional according to customer needs) to input data, which is convenient and quick to input;
▲The system reserves HIS database interface to reduce duplication of entry;
▲Unique PDA (optional) operation mode, can complete the work of admission and discharge, label monitoring status modification in the ward, the operation is more convenient and quick, and it provides great convenience for the medical staff when taking emergency care of the baby;
7) Convenient and quick query of historical events
▲Provide various historical event query interfaces to facilitate retrospective query of historical events;
▲Provide event query result export interface (XLS format);
8) Comprehensive system setting function;
▲Electronic map drawing that supports vector graphics;
▲Personnel operation authority setting;
▲Setting of various system parameters;
7.3 System characteristics
7.3.1 The system is safe and reliable
▲All equipment in the system has passed CE & FCC certification, which has no interference effect on other medical devices;
▲The baby wristband has been tested by European standards, it is non-toxic, harmless, non-allergic, and does not harm the baby’s skin;
7.3.2 Baby anti-theft label design tailor-made for newborns
▲Lightweight and easy to wear;
▲Meticulous ergonomic design;
▲European standards are non-toxic, harmless and non-allergic, and will not harm the skin of babies
▲Anti-anti-drawing wristband design, safe and reliable to wear;
7.3.3 Reliable baby identification and anti-theft technology
▲National patent anti-cut wristband technology;
▲Global unique ID identification;
7.3.4 Active anti-theft protection of tags
All anti-theft tags send information to the system every 3 seconds or so to report their working status. The main information includes:
▲Location information;
▲Battery power information;
▲Anti-theft tag wristband;
▲Hibernation status identification;
The system can quickly detect the working status of each tag, and issue various alarms in time, such as the tag’s battery is too low, the tag is in an illegal location, etc.
7.3.5 All-round regional monitoring
The system can monitor the entire ward area where the equipment is deployed, including:
▲Real-time location and tracking function of the tag, real-time monitoring of the location of the baby wearing the anti-theft tag, and tracking and recording the baby’s movement;
▲The ability to locate the event area.In the event of infant theft, equipment destruction, etc., the report can be triggered immediately.
Alarm and locate the location of the alarm event
7.3.6 Fast response speed to alarm events
▲Provide an alarm for the wrong baby in the ward;
▲ Provide an alarm for the destruction of the baby anti-theft label in the ward;
▲Provide alarm for infant anti-theft incidents at entrances and exits;
7.3.7 Stable and reliable system operation
Each component of the system regularly reports work status to the data server, and the system can detect in real time whether each system component is operating normally to prevent failure caused by various reasons.
7.3.8 Simple, stable and reliable system installation
The main equipment adopts the hidden installation with the exposed antenna, and the directional reading sensor for entrance and exit monitoring adopts the reinforced ceiling installation;
7.3.9 System parameters are configurable on site
▲The monitoring range of the directional reader for entrance and exit monitoring is adjustable;
▲The manufacturer provides a complete entry and exit monitoring solution;
7.3.10 System function expansion
▲Database interface interconnected with HIS system;
▲Extended communication interface interconnected with the access control system;
▲The optional handheld PDA operation terminal supports direct operations such as admission and discharge and label status modification in the ward;
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8 Introduction to the main equipment of the system and description of its characteristics
8.1 Infant/Patient Label WRC8280B
Infant/patient tag (WRC8280B) is the main monitoring electronic tag of the system. For the technical characteristics of the tag, please refer to the data manual. Its system characteristics are as follows:
▲Global unique ID identification;
▲The label has anti-vandalism characteristics. After wearing the label, the surface is not exposed for installation or the specified card position, and it cannot be removed without damaging the label or the wristband. From the moment the tag is put on the wristband, the electronic tag will continuously and automatically emit signals, and the system will monitor it at any time. Unauthorized, any attempt to remove the label will trigger an alarm;
▲The wristband used with the label can be adjusted to suit different babies, but it cannot be reused. Because newborn babies lose weight quickly due to the rapid loss of excess water in the body within a few days after birth, the wristband requirements can be adjusted at any time according to the baby’s weight changes.
▲The baby anti-theft label is required to be reusable, can be designed to be waterproof, can be cleaned, and does not have any allergic reactions.
▲The baby anti-theft label has the anti-pullback feature of the wristband. Once worn, it cannot be removed without damaging the label. Forcibly destroying the tag and extracting the wristband will trigger an instant alarm of the system;
▲Fast response time of wristband being cut detection
8.2 Mother/Nurse Watch WRC8280M
The mother/nurse label (WRC8280B) is an electronic label configured by the system for mothers or medical staff. For the technical characteristics of the label, please refer to the data manual. The system characteristics are as follows:
▲Global unique ID identification;
▲Provide light and vibration alarm functions. When an alarm event occurs, the system can send out light and vibration alarms to designated or all mothers/medical staff who wear the watch according to the setting;
8.3 Smart locator WRL8220C
The intelligent locator WRL8220C can accelerate the speed of tag reporting, and is deployed in special monitoring areas, which can assist the system to strengthen the monitoring of the area. At the same time, the intelligent locator also has a hierarchical sound and light alarm function. Under the control of the software, according to the severity of the event, different sound and light prompts can be issued to provide timely alarm instructions for medical staff.
The system characteristics are as follows:
▲The monitoring range is a circular area with a radius of 2～4m (adjustable) centered on the device;
▲It can strengthen the system’s detection speed of tags within the monitoring range;
▲Classified sound and light alarm function;
▲Regularly report work status to the data server. The system can detect in real time whether each system component is operating normally to prevent failures caused by various reasons.
8.4 Ordinary positioner WRL8220D
Ordinary locator WRL8220D is the most basic tag information collection device, which has both positioning and identification functions, and uses wireless access to the system.
Ordinary locator WRL8220D can expand the monitoring range of the omnidirectional sensor WRR8220N, and deploying the ordinary locator in an appropriate position can reduce the amount of omnidirectional sensor equipment.
The system characteristics are as follows:
▲The monitoring range is 2.4～9m (adjustable) centered on the equipment
▲Locate tags and various events within the monitoring range;
▲Expand the monitoring range of the omnidirectional reader;
▲Regularly report work status to the data server, the system can detect in real time whether each system component is operating normally, and prevent failures caused by various reasons
8.5 Long-distance directional reader WRR8220D
The long-distance directional reader WRR8220D has more accurate regional positioning capabilities and higher information processing capabilities, can process a large amount of tag information in a short time, and is dedicated to areas that require strict monitoring, such as entrances and exits.
Long-distance directional reader WRR8220D adopts RS485 bus interface to access the system.
The system characteristics are as follows:
▲The monitoring range is 0.6～3.5m area (adjustable);
▲Powerful multi-label recognition and processing capabilities;
▲The data server regularly checks whether it is running normally to prevent failure caused by various reasons.
8.6 Omnidirectional reader WRR8220N
The omnidirectional reader WRR8220N is a collection, summary and preprocessing device for tag information, and it uses RS422 interface to access the system.
The system characteristics are as follows:
▲With no barriers indoors, the reliable coverage radius is about 20m.
▲If there is a 120mm semi-brick wall barrier, the reliable coverage area is through 1 wall with a radius of about 8m.
▲Data of more than 500 tags can be collected and processed at the same time;
▲The data server regularly checks whether it is running normally to prevent failure caused by various reasons.
8.7 Rod reader WRR8220W
The pole-type reader WRR8220W is a directional tag information collection device, which is connected to the system in a wireless manner. Its sensing area is small, and it can be used to monitor areas such as entrances and exits to provide the system with early warning information in time.
9 System workflow diagram
11 Basic principles of equipment description and deployment
11.1 Smart locator WRL8220C
The intelligent locator WRL8220C can accelerate the speed of tag reporting, and is deployed in special monitoring areas, which can assist the system to strengthen the monitoring of the area. At the same time, the intelligent locator also has a hierarchical sound and light alarm function. Under the control of the software, according to the severity of the event, different sound and light prompts can be issued to provide timely alarm instructions for medical staff.
Smart locators are generally deployed in areas that require special monitoring such as entrances and exits, and areas that need to prompt alarm events in time, such as nurse stations.
11.2 Ordinary positioner WRL8220D
Ordinary locator WRL8220D is the most basic tag information collection device, which has both positioning and identification functions, and uses wireless access to the system.
The deployment method of the common locator is to deploy a common locator in each monitoring area (radius).
11.3 Long-distance directional reader WRR8220D
The long-distance directional reader WRR8220D has more accurate regional positioning capabilities and higher information processing capabilities, can process a large amount of tag information in a short time, and is dedicated to areas that require strict monitoring, such as entrances and exits.
The long-distance directional reader WRR8220D is generally installed directly above the entrance and exit, as shown in the figure below, when the patient approaches the entrance and exit, the system can sense it.
If there are sickbeds or patient activity areas near the entrance, in order to avoid false alarms, the long-distance directional reader can be moved to 2 meters outside the entrance and installed. In this state, the system can sense when the patient tries to leave the ward, as shown in the figure below.
11.4 Omnidirectional reader WRR8220N
The omnidirectional reader WRR8220N is a collection, summary and preprocessing device for tag information, and it uses RS422 interface to access the system.
In order to ensure the reliable collection of the label information of the monitored area by the system, the WRR8220N omnidirectional reader should ensure full coverage of the monitored area during deployment.
11.5 Rod reader WRR8220W
The pole-type reader WRR8220W is a directional tag information collection device, which is connected to the system in a wireless manner. Its sensing area is small, and it can be used to monitor areas such as entrances and exits to provide the system with early warning information in time.
12 Installation of equipment
12.1 Installation of the smart positioner WRL8220C
The smart positioner WRL8220C generally adopts wall-mounted installation, and the installation diagram is shown in the figure:
12.2 Installation of common positioner WRL8220D
Ordinary locator WRL8220D can be equipped with whip antenna or ceiling antenna for monitoring.
The monitoring antenna interface of the ordinary locator WRL8220D is the ANT1 port (the antenna port close to the AC power port).
Ordinary locator WRL8220D generally adopts ceiling installation, the installation height (the antenna height is about 2.4~2.8 meters, if the installation height is not within this range, the monitorable range will be changed, please consult the manufacturer), please ensure that the antenna is reliable and exposed during installation. Occlude. If a whip antenna is used, the installation diagram is as follows:
If you use a ceiling antenna, the installation diagram is as follows:
Since the equipment shell is made of metal material and is heavy in weight, the ceiling should ensure reliable support for the equipment. If the ceiling strength is insufficient, a fixed bracket should be installed to hoist the equipment on a concrete roof or a metal bracket.
12.3 Installation of omnidirectional sensor WRR8220N
The omnidirectional sensor WRR8220N is generally installed on the ceiling, and the installation height (the antenna height is about 2.4~2.8 meters, if the installation height is not within this range, the monitoring range will be changed, please consult the manufacturer), and the antenna should be reliable during installation. Uncovered
Since the equipment shell is made of metal material and is heavy in weight, the ceiling should ensure reliable support for the equipment. If the ceiling strength is insufficient, a fixed bracket should be installed to hoist the equipment on a concrete roof or a metal bracket.
12.4 Installation of long-distance directional reader WRR8220D
The long-distance directional reader WRR8220D is generally installed on a ceiling, and the installation height (the height of the antenna is about 2.4~2.8 meters, if the installation height is not within this range, the monitoring range will be changed, please consult the manufacturer), please ensure that the equipment is installed during installation Reliable and unobstructed. The equipment is heavy. Generally, it is not recommended to directly use the ceiling for load-bearing. Drill holes in the ceiling, pass the L-shaped bracket provided by the manufacturer through the through hole, and then install the fixed bracket to hoist the device on the concrete roof or install the metal bracket.
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