Avox Systems, Inc.

Avox Systems has manufactured instruments to measure blood oxygen since 1976. At its headquarters in San Antonio, Texas, the company is developing its patented light-scattering technology into a series of clinical instruments to serve various markets including cardiology, intensive care, and emergency medicine.

The company's unique, new technology enables its instruments to make spectrophotometric measurements directly in unaltered whole blood without hemolysis or other sample preparation.