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 ...
Xuzhou yongkang electronic technology co., LTD participated in Dusseldorf, Germany from November 18 to 21, 2019 The international hospital and medical equipment and supplies exhibition,which is a w...