CAS Medical Systems, Inc ( NASDAQ:CASM) is a medical firm working in the space of non-invasive patient monitoring products. The company provides FORE-SIGHT tissue oximeter monitors, sensors, and accessories, as well as offers FORE-SIGHT ELITE monitors. The firm's FORE-SIGHT absolute tissue oximeter provides non-invasive and quantitative measurement of oxygenation for cerebral tissue during surgery or critical care situations. CASMED designs and manufactures FORE-SIGHT tissue oximetry, useing five wavelengths of light and a complex algorithm to generate readings. FORE-SIGHT offers a full family of sensors, providing three depths of light penetration enabling user to specify an adult or pediatric patient, and having the capacity to select from multiple sensor locations, fine-tuning the algorithm to the unique properties of specific tissue beds to determine that patientÂ’s brain is adequately oxygenated. The firm had beendivestting itself ocomponent parts eg neonatal dispoable intensive care products and blood pressure non-invasive monitoring systems but in February 2019 it was announced that the firm had been acquired by Edwards Medical