In Vivo Metric (IVM) was founded in Los Angeles in 1965. In close collaboration with the UCLA School of Medicine, IVM designed and manufactured Electromagnetic Blood Flow Transducers and Cardiovascular Occluders. These medical devices were the main products for more than twenty years. In recent years the blood transducer line was terminated. In Vivo Metric continues to be the leading manufacturer of cardiovascular occluders.In 1974 IVM developed its own manufacturing process for sintered Silver-silver chloride Electrodes. There was immediate acceptance of these electrodes due to their superior performance and the variety of configurations offered. Today, In Vivo Metric is the leading manufacturer of Reusable Sintered Ag-AgCl electrodes.