Wireless Small Box That Can Monitor The Symptoms of Patients With New Corona Virus

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Recently, the team of Sina Award winner Dina Katabi of the MIT School of Computer Science and Artificial Intelligence (CSAIL) has developed a wireless device that can be used to detect patients' breathing, movement, and sleep patterns.


During the new coronavirus epidemic, doctors can remotely monitor the patient's breathing changes through this wireless device. It is worth mentioning that this wireless device only needs to be installed on the wall to detect the situation of many people in the room and there is no need to wear so that the device does not have patient intervention after the initial setup. There are already many hospitals and auxiliary care institution use it to monitor patients with new coronary pneumonia. A small box resembling a "router"? This device is called Emerald ("Emerald") and uses wireless signals to monitor the patient's condition.

But this "small box" is much stronger than a router. It uses wireless signals to monitor people's vital signs in the space, including the patient's movement and sleep patterns, and more importantly, the patient's breathing. The whole process is contactless. Moreover, the radiation emitted by its signal is 1,000 times less than that of a general mobile phone. The system transmits low-power radio frequency (RF) signals to the environment. If the signal has bounced off the moving person, it will return to the system with some changes. The algorithm then analyzes the reflections of these changes and associates them with specific individuals.


After obtaining the consent of the pneumonia patient, the institution monitored his health in a non-invasive way in his room and gave the data report to his doctor. Sitting at home, doctors can remotely monitor the patient's condition through indicators such as breathing changes and walking speed. It can be seen that when testing the walking speed of the patient, the device can not only monitor the patient's behavior in real-time, but also not limit one person, and the tracks of two people are monitored. if there is a sudden increase or decrease of people in the space, the "small box" will be quickly sensed.


We can see that during the period from April 7 to 11, the patient's breathing rate decreased from 23 to 18 breaths per minute, the breathing slowed and became more powerful, and the breathing condition improved. In addition, the device showed that the patient's sleep quality had improved and he was able to move around his apartment faster.

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