UV phototherapy is 311 ~ 313nm ultraviolet light treatment.Also known as narrow spectrum ultraviolet radiation therapy ( NB UVB therapy ).The narrow segment of UVB: the wavelength of 311 ~ 313nm ca...
Fingertip pulse oximeter was invented by Millikan in the 1940s to monitor the concentration of oxygen in arterial blood, an important indicator of the severity of COVID-19. Yonker now explains how ...
The patient monitor is a type of medical device that measures and controls the physiological parameters of a patient, and can be compared with normal parameter values, and an alarm can be issued if...
With the improvement of living standards, people pay more and more attention to health. Monitoring their health at any time has become a habit of some people, and buying a variety of household heal...
