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NELLCOR FICTION:

"Nellcor invented pulse oximetry."

FACTS:

• Nihon Kohden invented pulse oximetry in 1972.
• The first commercialized pulse oximeter in the US was launched by Biox in 1981.
• Nellcor was founded in 1981 and did not introduce a pulse oximeter until 1983—eleven years after the invention of pulse oximetry and two years after the first commercialization of the technology.

PROOF:

•  History of Blood Gas Analysis VII. Pulse Oximetry, John W. Severinghaus, MD