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I. Introduction
Although wireless local area network (Wireless Local Area Network, referred to as WLAN) technology is rapidly popularized, applications based on WLAN are still relatively lagging behind, and real-time location monitoring technology provides unlimited expansion of WLAN applications.
Real-time positioning and monitoring technology refers to the positioning and monitoring of targets in a designated area through specific technologies. Mainly use radio frequency, infrared and ultrasonic. The shortcomings of traditional RFID technology are facing the challenge of Wi-Fi technology solutions. After years of research, Shanghai Jumei Internet of Things Technology Co., Ltd. has broken through traditional algorithms and finally launched Wi-Fi-based positioning technology.
In the application of next-generation wireless networks, location-based sensor information will be the largest sensing application in the Internet of Things industry. Shanghai Jumei Internet of Things Technology Co., Ltd. organically combines this positioning with sensing technologies in various environments, allowing the Internet of Things to truly play an active role in people’s production and life.
With the rapid development of hospital informatization, clinical medical care based on wireless networks is getting more and more attention due to its fast and convenient and future development trends. Medical informatization has entered the era of mobile medical care. In this era, doctors no longer carry heavy data books to the ward for rounds, but carry mobile clinical terminals. The mobile clinical terminal combines the hospital process, which will greatly improve the work efficiency of doctors, and at the same time can provide better services and treatments for patients. At present, most hospitals have deployed or are deploying non-WLAN in the inpatient complex to meet the future wireless clinical, wireless diagnosis and treatment, wireless positioning, wireless tracking and other multi-directional hospital wireless applications.
Shanghai Jumei Internet of Things Technology Co., Ltd. independently developed the Joymake sensing and positioning system using real-time positioning monitoring technology. The positioning engine of the system is installed on the server, and the TAG information of each Joymake is calculated and located through easyview.
system structure:
2. Joymake provides solutions for the medical industry
JOYMAKE HMRST medical information system can be seamlessly integrated with HIS, EMR, RIS/PACS, LIS, OA and other systems to form a complete hospital medical information system. It solves the following problems for the medical industry:
2.1 Call system
2.1.1 Overview
The traditional wired calling system is cumbersome to construct, difficult to repair, and costly to construct. More importantly, the wired system does not have the function of mobile receiving call information, which makes many patients lose the opportunity for rescue. With the continuous improvement of medical conditions in hospitals and nursing homes, more and more places adopt wireless call systems, which are easy to construct and maintain, and call operations are simple. Medical staff can receive calls from patients anytime and anywhere. In our actual investigation, it is found that patients often repeat calls before the doctor comes, waiting anxiously. JOYMAKE provides two-way functions for the patient’s call system. The quality of service is often caused by poor communication.
2.1.2 System function
After the medical institution has deployed the Wi-Fi network, the Joymake calling system is deployed based on the Wi-Fi network, which will fully enhance the value of your Wi-Fi network and greatly improve the convenience of management. The patient calls via the red button on the call label. The indicator light will flash red, indicating that the call request has been sent. At this time, the wireless network will transmit the signal to the nurse’s station or the doctor who is in the rounds. The system will pop up a prompt box on the system platform of the medical staff, accompanied by a prompt sound. The receiving terminal can be a workstation computer or a mobile visiting terminal. After the volunteers give confirmation, the indicator light of the call button will change from red to green, and the patient can wait with peace of mind.
When the nurse comes to the ward, he can press the red button to indicate the end of the call process and request service.
2.1.3 System Architecture
OYMAKE call system consists of call tag, wireless AP, wireless call server and PDA.
2.2 Medical equipment positioning and asset management
The system has established a medical equipment account, and users can maintain (add, delete, modify, and check) the information of valuable equipment in this module. After a valuable device is assigned a WI-FI location tag, the administrator can select a valuable device information and locate the current location of the device through the WI-FI location tag, as well as the distribution of all valuable devices.
This tag can also be used for fixed assets that are frequently used and easily aging, or assets with a specified service life. The information of the asset is recorded through the tag. When the set retirement life is reached, the system will automatically alarm. It is convenient for the hospital to manage assets.
Using this module, hospital managers can timely and accurately understand the distribution dynamics of valuable equipment.
1. Prevent the loss of valuable equipment, improve the efficiency of equipment use, and improve service efficiency.
2. In the event of emergency rescue and diagnosis and treatment, you can quickly know where to find available wheelchair beds, surgical kits, infusion pumps, retractors and other medical instruments and equipment immediately.
3. Standardize the scrapping of fixed assets.
2.3 Hospital drug positioning and automated inventory management
Combined with the positioning function, we can place triggers where the medicines enter and exit the warehouse. After the medicines enter the warehouse as boxes, we do not need to scan them one by one. The system automatically reads the data and records it. When the medicine is going to be out of the library, it will also be recorded by the system. Inventory is automatically subtracted. Reduce the risk of typing the wrong keyboard manually.
At the same time, the flow of valuable medicines can be monitored in real time throughout the process.
2.4 Medical staff and patient positioning
Medical staff positioning is a service specially provided for hospital management. Through the JOYMAKE positioning system, managers can quickly understand when and where medical staff are, whether they have rounds in accordance with regulations, and greatly improve the level of hospital management.
The JOYMAKE label is used on patients, which can effectively prevent cross-infection of patients with diseases and track mental patients.
2.5 Baby anti-theft
When the hospital has unified the Wi-Fi network, the traditional RFID baby anti-theft is no longer needed. Because Wi-Fi network has the advantages of strong penetration and long distance coverage, it is just right to be used as an anti-theft for babies. We are equipped with anti-bacterial medical grade wristbands on the baby’s ankles (automatically alarm for damage), and JOYMAKE triggers are installed at the door of the infant care floor. Once the baby leaves the floor, the alarm will be triggered, and as long as the Wi-Fi coverage The baby’s position and historical action trajectory will be guided within the range. Hospitals can use a set of networks to solve the problem of infant anti-theft.
2.6 Patient sign monitoring
We place JOYMAKE in the sterilization room to monitor the temperature. The doctor can monitor the patient’s heart rate, blood pressure, etc. in real time while wearing pulse TAG. Give patients all the time and ubiquitous care.
2.7 Electronic Medical Guidance
In our daily life, many of us have had the experience of waiting in long queues to buy medicines in hospitals, and there is no shortage of doctors running around and asking questions at the toll office because the doctor’s handwriting is not clear. Go experience. With the further improvement of people’s quality of life, the desire for a healthy life has become stronger. These inevitably require a corresponding increase in the degree of medical informationization. We combine wireless networks and positioning technology to set up medical guidance functions in hospitals. After the patient’s handheld medical guidance machine is triggered at the required location, it can play the introduction of the department and inform the patient’s location and location guidance for the next step. Of course, we can also release some entertainment information and health counseling to the medical guidance machine, so that patients can really relax when they go to the doctor.
2.8 Wireless outpatient infusion system
As the first clinical department, outpatient infusion has a large outpatient volume and a large flow volume, which also increases potential safety hazards. Although the probability of any safety accident is small, once it occurs, it will bring irreparable losses to the hospital and patients. The outpatient infusion system is composed of barcode, intelligent identification, and wireless network. Give full play to the role of the existing HIS system to realize automatic management of patient information. Nurses use handheld PDA tags to confirm the identity of patients, and scan the tags on the infusion soft tape to confirm medicines, reducing potential work hazards. Patient-Outpatient Infusion Room-Nurse’s Desk-Scanning Prescription Bar Code-Printing Double Barcode-Physician Dispensing-Scanning Patient Identification Barcode Label-Infusion.
2.9 Wireless mobile ward round system
Medical staff can access EMR (Electronic Medical Record) wirelessly through computers installed on the carts in the hospital, or mobile wireless clinical medical terminals, nurses’ PDAs and other equipment. For example, clinicians can push a trolley to visit patients and quickly obtain hospitalization information, medical history, laboratory results, and other patient data from the patient’s bedside.
In addition, clinicians can also use the app to update the patient’s medical history, make appointments for laboratory tests, and write prescriptions before moving to the next hospital bed. All information will be recorded in the main database of the hospital via the wireless network. The nurse can update the patient’s body temperature, blood pressure, blood sugar, medication and other conditions in real time before the patient’s bed into the system through the wireless network, so that the doctor and medical technical department can call and inquire. The mobility capabilities provided by wireless EMR for medical staff are very important, because it not only allows medical staff to make bedside visits more convenient and effective, but also improves the quality of visits from the perspective of the patient. This is because the doctor is in the process of visiting Zhong can always stay by the patient’s bed. Modern information hospitals have cancelled the case book from the beginning of the registration process and replaced it with a case bag with a barcode. This is the “pass” for medical treatment in the hospital. The doctor can call up the patient’s medical history data, laboratory test sheets, and various imaging examination data through the doctor’s workstation while calling the patient to see a doctor through the scan.
It is worth mentioning that digital photography technology greatly shortens the printing time, and patients do not have to spend a long time waiting for the report. Moreover, the accuracy of image inspection has been doubled. An X-ray film can store up to more than 10-100 megabytes. The tiny lesions that could not be displayed on ordinary X-ray films before will be presented to doctors with a high-definition effect of tens of millions of pixels. before. Information such as DHA, CT, CR, B-ultrasound, and color Doppler ultrasound can realize the centralized storage and sharing of images of various devices throughout the hospital. That is, after the examination, the images of outpatient doctors and residents can be obtained directly.
2.10 Management of garbage trucks
Each garbage truck is equipped with a Wi-Fi location tag (active tag), which is responsible for identifying the garbage truck, and the system maintains the attribute information of the garbage truck process, including the type and number of the garbage truck, and the number of the responsible person. The system can display the current location of each garbage truck in real time, extract and display the detailed information of the garbage truck from the background database through tags, and make statistics and analysis of the usage of the garbage truck.
Medical waste transportation monitoring
Medical waste transportation log: For each operation of the garbage truck, the system will automatically record the running route and running time, and save it in the system; the administrator can view the log through the function of viewing the historical track.
Garbage truck early warning: The system will monitor the location of the garbage truck in real time. The garbage truck must move in the designated operating area (the pink area in the picture above). If the garbage truck exceeds the specified range, the system will prompt the corresponding administrator: garbage The car runs illegally.
The administrator logs in to the system and enters[System Alarm Management]-[Garbage Truck Path Alarm Management](as shown in the figure below) to view all violation records. The record will show the time each time the garbage truck exceeds the warning zone and the time when it returns to the warning zone again.
1. The garbage truck runs from the starting point, and the system monitors the location of the garbage truck;
2. Whenever a garbage truck enters the coverage area of a node, the system records the passing of a node;
3. If the garbage truck enters or enters from a non-designated area, the system automatically warns and the garbage truck runs illegally.
2.11 Smoke sensor monitoring
Joymake has also developed a Wi-Fi-based smoke sensing device that can be installed in a smoke-free area. If someone smokes in violation of regulations, the system will alarm. It can also be used as an auxiliary device for security to prevent disasters.
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