Mediaid Inc, a wholly owned subsidiary of Opto Circuits (India) Ltd received approval from the United States Food and Drug Administration (FDA) for its key vital sign monitoring products. The Model 900 and Model 960 vital sign monitors are the first Opto bed side monitors to receive the crucial approval for marketing in the United States, thus opening up a huge opportunity in the US hospital market. The Model 900 and 960 devices monitor blood-oxygen, blood pressure and temperature for a complete and quick assessment of vital signs.