Patient monitoring equipment is often used to measure signs of life in patients, such as heart rate, blood pressure and other parameters. Managing these important data goes far beyond simple inventory control, which requires equipment to provide inspection, calibration, and self-test results with security upgrades while minimizing downtime. Labels that record maintenance data are often pasted on the device. Label stickers are no longer a reasonable choice because of the large amount of data that needs to be recorded and will gradually become corrupted over time. With the rapid development of technology, patient monitoring equipment is usually upgraded through software.
The dynamic dual-interface RFID EEPROM solution not only records internal parameters for later reading, but also writes new data to the system (such as calibration constants and verification information) without the need for additional connectors. Dual interface RFID tags connect patient monitoring electronics through the I2C port. When the device is running, the device can read and write electronic tags through the I2C port. In addition, users can read their data through a conventional RFID reader conforming to the ISO 15693 standard (for 13.56MHz RFID tags), regardless of whether the device is powered. The solution complements the technology of radio frequency identification by ensuring that data is timely, secure and easy to read when needed.
Target applications for dual-interface passive RFID systems include: equipment maintenance requirements and records, authorization of authorized accessories, sensors, product identification, disposable product reuse control, and the addition of new authorized equipment. When the monitoring device is in the working or standby state, the operator can manage the data through the device; when the device is powered down, the RFID reader can also be used to implement standard data reading and writing. This advantage of the dual interface RFID solution opens up more choices for designers.
Classification of monitoring systems
Patient monitoring systems are generally divided into three categories: bedside monitors, portable monitors, and wearable monitors. Bedside monitors in providing the required information for healthcare professionals play an important role, and its proportion of the information is also growing. Bedside monitoring equipment is typically installed in specific areas (eg, intensive care units), and most bedside monitoring devices today are able to network with the central monitoring system using the hospital network to exchange data through the facility network.
The management of portable monitors is no small challenge, as such devices seem to be able to "leave" or even get lost. While the location of the test equipment is beyond the scope of this article, understanding what happens to the equipment can be a great help in ensuring that the equipment continues to meet standards and verify the identity of everyone.
Although the wearable monitor is not a new invention, as the product is updated, the type of measurement and the amount of data are rapidly increasing, which is where the dual-interface RFID solution comes into play. The dual-interface RFID solution provides a gateway to the internal workings of the system without the need for complicated wiring, thus improving the usability and service life of the monitor.
Wearable monitors can also be divided into the following sub-categories: Mobile/Wearable Personal Monitors (MPM): These devices monitor vital signs of patients with chronic conditions in real time, store and forward measurement data or alarms; Aggregator: A smartphone-type device that can report patient status via wireless technology with or without an external sensor; wearable health care device: a health device worn on the wrist/arm/chest or a sensor embedded in the shoe and shirt Used to detect heart rate, breathing, pacing, etc. for preventive health care; Remote Patient Management (RPM) equipment: Special monitoring equipment with built-in patient-specific sensors. These systems can be customized by sensors to report data such as heart rate and patient posture (standing or lying).
Whether it's a bedside monitor or a portable or wearable monitor, all patient monitoring devices face a common challenge: how to keep the equipment up-to-date with software, calibration or maintenance records? How do you find out that a device failure has occurred?
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