ICU Medical, Inc. develops, manufactures and sells medical devices used in infusion therapy, oncology and critical care applications. It operates through the following segments: Infusion Therapy, Critical Care, and Oncology. The Infusion Therapy segment provides needlefree connector products, custom infusion sets, and Tego, a neddlefree hemodialysis connector. The Critical Care segment offers: hemodynamic monitoring systems; closed blood sampling and conservation systems; and other critical care products and accessories. The Oncology segment sells ChemoLock CSTD and components; ChemoClave CSTD and components; and Diana hazardous drug compounding systems. The company was founded by George A. Lopez in 1984 and is headquartered in San Clemente, CA.