Established in 1956, Lantheus Medical Imaging is one of the leading manufacturers of diagnostic imaging equipment and related products in the United States. Its products include xenon gas, injectable suspensions, generators, dispensing pins, injections and technetium kits. The company provides Cardiolite, which is an injection kit that is used in myocardial perfusion imaging application. It additionally offers DEFINITY, which is used in suboptimal echocardiograms. The company also supplies a variety of products under the VIALMIX, TechneLite, Neurolite and INTELLPIN brands. It provides sales, marketing, distribution, technical support, and research and development services. Lantheus Medical Imaging maintains offices in Puerto Rico, Canada and Australia.