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I. Introduction
After the SARS epidemic in 2003, the issue of medical waste treatment has attracted the attention of the society. In order to manage medical waste well, the Ministry of Health promulgated the “Medical Waste Management Regulations” on June 16, 2003 to manage medical waste. Incorporated into the legal track. Subsequently, experts discussed the issue of medical waste management from the IS014000 environmental management system, ethics, and sociology. Medical waste management is not only a difficult problem for hospital management, but also an important public health issue.
The development of information technology makes it possible to establish a unified platform for real-time monitoring of medical waste, and the new revolution in service and monitoring methods comes from the development of radio frequency identification technology and satellite positioning technology. With the popularization of information systems and the improvement of informatization, the information processing capabilities of hospitals and professional waste treatment companies have been greatly improved, and information management technologies such as electronic label management of medical waste, electronic forms, electronic monitoring and online monitoring have been promoted. , It has a good technical foundation to realize the new leap from traditional manual processing to modern intelligent management. A high-speed and efficient information network platform based on GPS technology combined with GPRS technology to achieve visualized medical waste transportation management and real-time positioning, and a medical waste RFID monitoring system with EDI as the backbone technology, will realize the full supervision of the medical waste treatment process for the environmental protection department Provide basic information support and guarantee.
2. System introduction
1. System Introduction
(1) The system completes the goal
² Electronic tags can adapt to various application environments on site.
² Electronicize the medical waste collection and transportation documents.
² Collect and analyze data on medical waste collection, transportation, and incineration, and obtain various accurate data.
² Analyze the data collected in real time and implement the dangerous time alarm mechanism.
(2) Main features of the system
² Automatic data acquisition
It realizes the weighing of the waste turnover bucket and the automatic identification and distribution of labels, and the data is uploaded to the monitoring center in real time.
² Convenience
The centralized management of all-electronic data in the system enables the search for a large amount of data to be completed by the server, which saves a lot of manpower, improves efficiency, and speeds up the response to events.
² Data security
This system adopts Yuanwanggu’s new generation of RFID electronic tags, which are specially designed for different use occasions. The identification response time is fast, the average failure rate is low, and the safety, timeliness and stability of the identification link are ensured; in addition, The high-performance and high-fault-tolerant system server is used to ensure the high stability, security and network transmission speed of the server, so as to realize the real-time transmission of the system and ensure the timeliness of information.
² Improve management level
Centralized management and distributed control; standardize the supervision and management of waste collection and transportation, and supervise all necessary links, so that emergencies can reach the top management at the first time, so that the incident can be dealt with in a timely manner.
² System scalability
Taking into account the future development trend and the promotion of informatization in the management of waste hazardous materials in Shenzhen, the system provides a wealth of data interfaces, which can provide corresponding data to different systems of the Environmental Protection Bureau according to needs.
(3) Structure and composition
² Topological diagram
The medical waste RFID monitoring system is divided into four interrelated parts from the system structure, which are the solid waste department of the Environmental Protection Agency, the transfer center, the incineration center, and the mobile office platform.
figure 1:Topology diagram of medical waste RFID monitoring system
² System composition diagram
The medical waste RFID monitoring system is composed of 8 subsystems from the perspective of system composition, which are the data application platform, the monitoring center visualization platform, the GPS collection vehicle route real-time tracking system, the collection vehicle RFID electronic lock system, the video monitoring system, RFID medical waste incineration verification system, medical waste electronic combined single system, RFID management system for collection and transportation vehicles.
figure 2:Composition diagram of medical waste RFID monitoring system
² System operation flow chart
The main operation process of the medical waste RFID monitoring system:
Medical waste electronic form generation → vehicle dispatching task list generation → delivery → collection of medical waste (video starts to monitor the collection process) → medical waste turnover bucket weighing (weighing weight is uploaded to the system in real time, and RFID tag information is allocated at the same time) → waste Loading (receiving and transporting vehicle unlocking, recording the unlocking information and uploading the system in real time) → Transportation (GPS positioning system regularly transmits the location of the vehicle) → Transfer Center (transferring center uploads the arrival time of the receiving vehicle and the allocated time of collected waste) → Transportation (GPS The positioning system regularly transmits the location of the vehicle) → Incineration center (upload the arrival time of the vehicle) → Receive waste to be incinerated (start video monitoring operation) → Enter the incineration line → Enter the weight comparison link of the medical waste turnover bucket (information uploads the incineration center monitoring room, The processing is over, the information upload system)→the process ends.
Figure 3: Operation flow chart of medical waste RFID monitoring system
2. Introduction of main components
(1) Medical waste electronic form system
“From cradle to grave” electronic form life cycle management, the whole process of monitoring the transfer of medical waste, to ensure that the medical waste is properly transported to the designated location.
² Including application for combined order, scheduling arrangement, issuance of combined order, acceptance by the transportation unit, and acceptance by the accepting unit.
² Provide automatic services to facilitate users at all levels: automatically remind the Environmental Protection Agency of medical waste that has not arrived within the time limit, and the medical waste has not been sent for incineration after the deadline, and automatically remind the Environmental Protection Agency of the difference in waste transportation, which is automatically identified through the RFID vehicle management system.
² Confirm waste transportation online, and users at all levels can manage related businesses online.
(2) RFID management system for receiving and transporting vehicles
Manage the life cycle of the collection vehicle and the life cycle of the task, and manage the task, maintenance and repair of the collection vehicle and the use of the on-board equipment (such as electronic locks) to ensure that the collection vehicle completes the collection task in a timely, effective and safe manner .
² Including the arrangement of vehicle use, management of dispatch orders, and management of vehicle access.
² Provide automatic identification of vehicle entry and exit, and automatically remind late collection vehicles.
² Manage vehicle electronic locks and GPS equipment.
(3) RFID electronic lock system for receiving and transporting vehicles
The electronic lock system tracks the information of each time the vehicle door is opened and closed by the receiving and transporting vehicle. The information includes the opening and closing location of the door, the opening and closing time, and the opening door authorization number.
² The reader is the peripheral of the control terminal (the main control device of the system), and is the forwarding device of commands and information between the control terminal and the electronic lock (conversion of wired communication and wireless communication).
² The control terminal can be divided into the check-in terminal and the check-in/unseal terminal at the check-in port.
² The data terminal is used to manage the hand-held machine and the transfer equipment for the information interaction between the hand-held machine and the database.
² The handheld is used to seal, inspect/unseal the electronic lock. It downloads the sealing, inspection/unsealing data from the data terminal through the communication socket, and uploads the operation result.
² The central server is used to store information related to the lock and seal business.
(4) Video surveillance system
Video monitoring effectively monitors the various key links of medical waste collection, transportation and incineration in real time to ensure the visual monitoring of the medical waste collection and transportation process.
² Including real-time video surveillance of waste preservation and collection, distribution and disposal of waste, receipt of waste, incineration and weighing check.
² It can save 30 days of video recording.
² The on-board camera is linked with the electronic lock, and when the electronic lock is opened, the picture of the unlocker is recorded.
(5) GPS real-time tracking system for receiving and transporting vehicle routes
GPS receiving and transporting vehicle route real-time tracking is based on GPS positioning, navigation and monitoring technology, which is mainly composed of vehicle-mounted terminals (including micro industrial computers, GPS receiving modules, GPRS communication modules and power supplies, etc.) and monitoring data center DSC (TCP/IP network server). Partial composition.
The GPS module of the vehicle terminal receives real-time data such as the position and time of the global positioning satellite, and sends it to the micro single-board computer in the car to obtain the current position of the vehicle and display it on the electronic map; on the other hand, the data will be sent through the GPRS terminal The module is sent to the remote monitoring center server, so that the monitoring center can obtain the location information of all vehicles in real time, which provides a basis for vehicle safety monitoring.
(6) RFID medical waste incineration verification system
The RFID medical waste incineration verification system uses RFID technology to record the initial weight of the medical waste, and at the same time uploads the record to the server. The content includes information such as the unit of the waste, the time of collection, and the weight.
² The system has a weighing platform at the waste collection point. As long as the waste is weighed, various information will be automatically uploaded to the server, and the information on the label of the waste turnover bucket will be rewritten.
² The turnover barrel arrives at the incineration center after transportation and distribution. When the incineration center assembly line weighing platform, the tag reading device reads the tag information, compares it with the weight information of the weighing platform, and uploads the comparison result to the incineration center monitoring room. The comparison failure information will be alarmed.
² The incineration verification system screens the data according to the obtained information, and divides the information into qualified information, blacklist information, and simple record information and uploads it to the RFID monitoring system server.
(7) Monitoring center visualization platform
The visualization platform of the monitoring center consists of three parts: data service center (application server, communication server), data management system and monitoring center. The system runs on the monitoring terminal, and the data service center realizes the connection between the monitoring terminal and the data application platform; the monitoring data management system realizes the relevant management of the network access point and the vehicle at the monitoring terminal; the monitoring center provides the network point and the vehicle on the visualized map interface Positioning monitoring and alarm processing.
(8) Data application platform
The data application platform consists of WEB applications, application servers, and system monitoring software. The system runs on the application terminal. The system data is provided by the above parts and is stored in the monitoring system database server. The data application platform can be used in mobile office. The specific functions are as follows:
² Setting of basic data of monitoring system
² Registration of the network-connected unit: provide the system registration entrance of the network-connected unit, and assign the network user equipment and system ID number.
² Registration of connected vehicles: Provide the registration entry of connected vehicles, import the registration information into the RFID vehicle management system, or register through the RFID vehicle management system.
² Electronic single system interface
² Distribution Coupon: The network-connected unit obtains the coupon number for medical waste treatment through the platform.
² Coupon tracking: know the progress of waste disposal of the specified coupon number through the platform.
² Historical order query: query history using order number.
² Blacklist processing
² Medical waste incineration check blacklist: Provide a blacklist processing platform for medical waste incineration check.
² Collection and transportation blacklist: search and deal with events that occur during the collection and transportation of medical waste.
² Data statistics report
² Monthly statistics report: monthly statistics of waste treatment volume, collection volume, monthly statistics of blacklist ratio and event ratio, etc.
² Quarterly statistical reports: quarterly statistics on waste disposal and collection, and quarterly statistics on blacklist proportions and incident proportions.
² Annual statistics report: annual statistics of waste treatment volume, collection volume, annual statistics of blacklist ratio and event ratio, etc.
² Customized statistical reports: Customize various required reports such as vehicle attendance rate, turnover bucket utilization rate, effective service life of turnover bucket, etc.
² External data interface
² Provide basic and statistical data to other units that need to use the system data
² Detection of system operation status
² Real-time monitoring of the use of each device and system point of the system, and timely knowing the failure point of the device and system.
3. Conclusion
The medical waste RFID monitoring system is a visual medical waste management system integrating RFID, GPS, GPRS, video surveillance and other technologies based on a network information platform. Its establishment can make the management of medical waste enter the era of information management. The system can effectively, real-time and visually monitor the entire life cycle of medical waste from “cradle to grave”, and can effectively distinguish the responsibilities of hospitals and medical waste treatment units. At the same time, the system platform is universal and highly scalable. , Which makes the system establish a basic platform for other solid waste and radiation safety management, lays a solid foundation for the entire solid waste and radiation safety management information construction, effectively guarantees the complete disposal of medical dangerous goods, and puts an end to it. The hidden dangers of medical waste reuse.
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