Reliable Smart Wrist Pulse Oximeter for Hypoxemia and COVID-19 Patients

In the present day, the people are living with the COVID-19. The catastrophic virus of COVID-19 causes hypoxemia (shortness of breath), sometimes even severe cases. Hypoxemia is caused due to low oxygen saturation (SpO2) levels and to monitor SpO2 levels this work proposes a reliable smart wrist pulse oximeter. Patients who are diagnosed during the early stages of the virus are able to monitor their SpO2 levels at home and take the prescribed medicines. Oximetry follows the principle of light reflection. The fingertip model is the most common technique used to display the blood oxygenation level. However, the finger model is not as comfortable and does not promote continuous monitoring of SpO2 levels. Factors such as nail polish can play a role in the accuracy of the reading. The proposed design is a non-invasive medical device that can measure the oxygen saturation level in a person’s blood. The wrist wearable devices are more convenient for continuous monitoring of oxygen saturation levels than finger models. Most devices in application today are inaccurate and used for non-clinical use. Therefore, it is aimed to achieve better accuracy by avoiding readings that are influenced by factors such as motion artifacts by utilizing sensors that are appropriate through an accelerometer and gyroscope. The proposed oximeter can initiate notifications to alert an individual of the levels of oxygen saturation, fall detection, and heart rate levels.