Infusion Management

In infusion management scenarios, hospitals record information about patients, diagnosis, beds, medicines, and infusion processes in databases. The infusion management system can obtain related information from the databases. Figure 1 shows how infusion management is implemented.

1. Before an infusion, a patient puts on a wrist strap, and a nurse uses a handheld digital terminal to scan the barcode on the wrist strap. In this way, the infusion management system can obtain infusion information about the patient from the database and associate infusion information with patient information.
2. The infusion sensor sends infusion parameters to the RFID receiver through the 433 MHz radio module.
3. The RFID receiver then forwards the received information to the infusion management system through the AP and upstream Ethernet link.
4. The infusion management system performs computing based on the infusion parameters and infusion sensor parameters, and displays the infusion computing result. In this way, the system can monitor the entire infusion process and report alarms if necessary.

The infusion management process is as follows:

1. Infusion registration: When patients need infusions, nurses use barcode printers to print barcodes and paste them on fluid bags. Nurses use handheld digital terminals to scan barcodes on patients' wrist straps and fluid bags, and associate infusion information with patient information.
2. Process monitoring: Infusion alarm devices send information about the fluid dripping speed to the infusion management system in real time. The infusion management system displays the real-time infusion status.
3. Infusion alarm reporting: When the fluid dripping speed is too high or low, or infusion is complete, audible alarms are generated on the LCD at nurse workstations.
4. Infusion termination: When infusion is complete and no fluid is left, infusion alarm devices automatically block infusion tubes to prevent blood backflow.