Home The Problem History The Present The Solution Bibliography

Many inventions of the past have helped us create our invention:  

1885: The first recorded medical application of oxygen 

1965: The first liquid refillable systems became available commercially from the Linde Corporation.

1972: A way of measuring arterial blood saturation through pulsatile light variation is invented by
           Takuo Aoyagi, a Japanese bioengineer.

1978: The Pulse Oximeter is first put on the market

2000: The U.S. Medicare program began accepting physicians' billing for the use of the Oximeter in a
            medical office.

2031: The I-TBS goes on the market.