In recent years, with the rapid development and popularization of biomedical sensors, information processing and wireless data transmission technology, the development of wireless medical monitoring systems has become a hot topic. Using the wireless data transmission module and equipment developed by our company, users can design a new networked wireless medical monitoring device and system for transmitting information between medical sensors and monitoring and control instruments, reducing monitoring equipment and medical sensors. The connection between the Guardians enables the ward to have more free space for activities. While obtaining more accurate measurement indicators, it also improves the efficiency of the doctor. A doctor can monitor multiple patients at the same time, without each ward. Running hard.
Second, the system structureThe wireless medical monitoring system consists of a monitoring center node device and a Wi-Net routing node (when the communication distance is far away, the monitoring sensor node information cannot reach the central node, the routing node needs to perform data transfer), and the Wi-Net sensor node constitutes a micro monitoring network. The sensor node uses the central controller to control the life indicator sensor to be monitored to collect data, and sends the data to the monitoring center node device through Wi-Net wireless communication mode, and the central node device transmits the data to the connected device. On the PC or other network equipment, the data can be transmitted to the telemedicine monitoring center through the Internet network, and the medical personnel can statistically observe the data and provide necessary consultation services to realize telemedicine. The medical sensor node can be set according to different needs, so the medical monitoring system has great flexibility and expandability, and at the same time, the system can be connected to the Internet network to form a larger community medical monitoring network, hospital network and even the whole. Urban and national medical monitoring networks.
Third, the monitoring sensor nodeThe main function of the monitoring sensor node is to collect human physiological index data, or dynamically monitor the condition of some medical equipment or the treatment process, and transmit the data to the monitoring center node device through wireless communication. The block diagram of the monitoring sensor node is as follows:
No need to lay communication cables, reduce the connection between monitoring equipment and medical sensors
Flexible communication network, self-organizing, self-healing
Large range of monitoring, monitoring and collection
Good real-time performance
High data transfer rate, typical transfer rate 250kbps
Flexibility and scalability
V. ConclusionEstablishing a wireless medical monitoring network in a hospital ward, in addition to reducing the connection between the monitoring device and the medical sensor, enables the conditioned patient to have more free space for the doctor to obtain more accurate measurement indicators. Many project tests are completed in the hospital bed, which greatly facilitates patient visits and remote monitoring by doctors. The use of wireless medical monitoring systems can greatly enhance the modern information management of hospitals and improve the efficiency of doctors. In addition, the wireless medical monitoring system has a high degree of flexibility and scalability. Through the Internet, patients who are away from hospitals and other medical institutions can also obtain necessary medical supervision at any time, and receive consultation and guidance from remote doctors when necessary. With the wireless medical monitoring system, the traditional medical model will be broken, and a new Internet-based medical monitoring system will be formed. It is centered on the hospital, facing the community, family and individuals, and forming an organic whole through the Internet. Ensure that people can get timely, effective and professional medical diagnosis and treatment in both hospitals and hospitals, thus greatly improving the medical level and making people's quality of life better and better.
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