History and DevelopmentThe pulse oximeter was invented in Japan in the 1970s by Takuo Aoyagi, a Japanese bioengineer. Early oximeters were large, bulky devices that were mostly confined to hospitals. They worked by shining two different colored lights through a part of the body like a finger or earlobe. This allowed the device to calculate the oxygen saturation level in the blood through color...
Arabic
Français
Español
Português
Deutsch
Türkçe
Dutch
Italiano
Russian
Romaian