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【Case Introduction】
With the rapid development of information technology and the advancement of medical reforms, hospitals are gradually becoming paperless, filmless and wireless. Wireless local area networks are becoming increasingly popular in the medical industry worldwide. Zhuzhou Kaide Cardiovascular Hospital adopts the Flying Fish Star wireless cloud coverage solution, using 1 intelligent integrated gateway N200 and 90 intelligent wireless access points (cloud AP) P21-C to complete the full coverage of the wireless network.Realized utilizationPDA , Tablet PC and mobile trolley for vital sign data collection, medical care data query and entry, doctor rounds, bedside care, call communication, care monitoring, drug delivery, patient identification code recognition, and WLAN-based voice multimedia applications And so on, to improve the efficiency and quality of medical services.
Introduction of Zhuzhou Kaide Hospital
Zhuzhou Kaide Cardiovascular Hospital (hereinafter referred to as Kaide Hospital) is a non-profit state-owned hospital under Peking University Medical Industry Group. A tertiary hospital with prevention as one. In the case of traditional wired networks, doctors’ rounds, nurse care, drug library management, clinical education and scientific research are all limited. In order to improve the quality of hospital services and the efficiency of medical staff, the hospital has decided to adopt a set of Wireless solutions to supplement the deficiencies of wired networks.
Hospitals’ demand for wireless networks
For mobile ward rounds
In the case of traditional wired network, doctors have two options for ward rounds: one is to hold a printed paper medical record for reference during rounds; the other is that the doctor reads the medical records in advance on the office workstation and memorizes the main medical history in charge of the patient. Vital signs data, when waiting for rounds, present the patient’s condition from memory. The first method increases the workload due to frequent printing of medical records. The second type of ward round is very easy to cause memory loss or even mistakes.
After setting up a WLAN in the ward, doctors are no longer troubled by the network cable, and can easily and freely carry a computer to move around the ward, use the wireless network to log in to the doctor’s workstation, access medical records at any time, and quickly obtain the patient’s hospitalization information, medical history, and medical history. Test, check results and other vital signs information, communicate with patients as effectively as possible, so as to obtain high-efficiency, high-quality bedside visits and care. The doctor can also enter the information into the computer in time according to the situation of the ward round, and immediately prescribe tests, examinations, treatments and other medical orders according to the changes in the condition, avoiding re-transferring the doctor’s orders or supplementing the doctor’s orders from memory and recording the course of the disease after the rounds. Duplicate work or even error conditions occur. Combined with the clinical drug knowledge base and drug rationing contraindication alarm system, doctors can avoid errors to the greatest extent when they diagnose at the bedside of inpatients, revise the doctor’s orders in time, and adopt reasonable drugs and treatments.
For bedside care
In Western Europe and the United States, a small number of hospitals have cancelled ward nurse stations. Nursing data is collected and entered directly at the patient’s bedside using wireless computers. This not only improves the efficiency and quality of care, but also increases the affinity between medical staff and patients. Patients get more care.PDA, barcodeWristbandThe application of other technical methods in clinical nursing will bring about the effects of hospital management in many aspects: one is to help nurses execute medical orders correctly; the other is to track the medical service process throughout the process; and the third is to provide an objective basis for the performance appraisal of medical staff , To help hospitals truly reward hard work and punish laziness. Its fundamental purpose is to reduce the error rate and improve the quality of medical services, embodying the core principle of patient-centeredness.
Used for call communication
After the establishment of WLAN, the hospital can use the Voice over IP (VoIP) system to replace the traditional communication system (such as paging station), realize the transmission of voice and video data in the network, and provide two-way voice and video communication. Medical staff can receive calls from patients through handheld devices, talk directly with patients, and immediately understand the needs of patients from any location in the system, so many critically ill patients can receive timely rescue and special care, and doctors can also use the WLAN voice system Understand the situation of some infectious quarantine patients (such as SARS), and effectively protect the health and safety of medical staff. At present, the most widespread application in this area is WLAN mobile phones-WLAN-based mobile phones can achieve clear and unobstructed wireless communication within the coverage of the wireless local area network without paying any telephone charges. This type of mobile phone only needs to perform simple parameter settings on the switch. Then it can be used conveniently. Using wireless mobile phones in the network can call ordinary phones and mobile phones, and users can move freely within the WLAN coverage area during a call, and the call quality will not be affected.
For care monitoring
At present, the more advanced domestic inpatient wards are equipped with wired video surveillance systems. After the WLAN is established, only a wireless camera needs to be added and a simple network parameter configuration can be performed, which can get rid of the cumbersome rewiring. This technology can be used to monitor wards, pharmacies and other important places. The management software of the wireless camera can monitor multiple sites at the same time. In the monitoring center, the scene can be recorded and recorded. When the wireless camera is used in conjunction with the wireless communication system of the hospital, it can further improve the work efficiency of medical staff. After receiving the patient’s paging signal, the staff can directly monitor the patient’s condition on the computer terminal through the network, and take corresponding medical measures, which plays an important role in the monitoring of critically ill patients.
For drug library management
WLAN combines radio frequency identification technology (RFID) for drug library management. When drugs enter the warehouse, they are scanned by RFID tags to record the detailed attributes such as the name, manufacturer, and efficacy of the drugs in the warehouse, and use RFID to locate the drug storage. These data are uploaded to the hospital’s drug management information system via WLAN, which facilitates the hospital’s unified deployment and management of drugs. Drug management personnel also do not need to manually input large amounts of data and spend time searching for drugs everywhere, only need to hold wireless computers or PDAs and other equipment to check the inventory of drugs. In the United States, after many hospitals have adopted drug barcode wireless identification equipment, drug distribution and drug library management under the WLAN environment have become simpler, more convenient, accurate and efficient.
For clinical education and scientific research
The wireless network greatly facilitates clinical education and scientific research. Teachers and scientific researchers can explain the basic situation of the patient in real time through the wireless mobile terminal while explaining at the bedside of the patient, including: medical history information, pathological information, laboratory test information, radiological information, image information, etc.
For patient identification and asset management
Use the wireless bar code identification belt to mark the important data of the patient and put it on the patient’s wrist. At the bedside, the nurse uses a wireless identification device (PDA) to scan the patient’s barcode identification tape. Detailed information about the patient’s identification, medication, dosage, and method will be confirmed at the nurse’s workstation via WLAN. If there is any discrepancy, an alarm will be issued The system will display a warning to avoid any errors that may occur.
The wireless network is also used to strengthen the management of hospital equipment. After installing RFID tags on mobile hospital equipment, in conjunction with wireless readers, the hospital can locate and manage valuables such as computers and medical equipment through the asset location management system. Managers can accurately understand their location through the electronic interface to avoid losses caused by the loss of equipment and the inability to locate them in time.
Flying fish star wireless cloud design plan
1. Network design principles
Combining the actual application and development requirements of the Kaide hospital network system, based on the overall solution architecture of the wireless cloud, the following overall system principles are mainly followed when designing the hospital system networking scheme:
Practicability principle: Based on current needs, fully consider the needs of development to determine the system scale.
Reliability principle: The system design should provide sufficient redundant backup, on the one hand to minimize the possibility of failure, on the other hand, to ensure that the network can be repaired in the shortest time.
Principle of ease of use: The equipment of the entire system should be easy to manage, easy to maintain, easy to operate, easy to learn, easy to use, easy to configure the system, and to be well monitored and controlled in terms of equipment, safety, data flow, performance, etc., and Can carry out remote management and fault diagnosis.
The principle of maturity and advancement: system structure design, system configuration, system management methods and other aspects adopt internationally advanced, mature and practical technologies.
The principle of scalability and scalability: All system equipment not only meets current needs, but also meets the foreseeable future needs after expansion of modules, such as bandwidth and equipment expansion, application expansion, and office location expansion. Ensure that the completed system can protect existing investments when upgrading to new technologies.
2. Network topology diagram of wireless cloud deployment
3. Introduction to networking equipment
Export gateway: adopts the Feiyuxing N series intelligent integrated gateway as the export, enterprise-level all-gigabit hardware design, provides maximum 4WAN access for the hospital office network, supports wireless centralized control functions, integrates VPN servers, Internet behavior management, and QoS intelligent streaming Control, access authentication management, firewall and many other functions.
Wireless coverage: Adopt P series intelligent wireless access point, support 11BGN standard, can achieve up to 300M wireless access performance, realize wireless roaming, wireless bandwidth guarantee and other functions. The AP does not need to be configured (no configuration interface) and can be regarded as a virtualized large antenna. Through the wireless control function integrated in the N series gateway, many APs can be managed with one key. Multiple wireless services (SSID) can be configured to provide an independent and exclusive wireless network for the hospital office network. AP adopts various forms of design to meet the requirements of various networking environments.
4. List of networking equipment
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