Smiths Medical manufactures medical devices used in critical and intensive care, surgery, post-operative care, and home infusion therapies. It offers products in the areas, including adult critical care, alternate care, anesthesia, assisted reproduction, cardiac care, diabetes, medical surgical, neonatal and pediatric critical care, oncology, pain management, respiratory care, and sleep medicine. The company offers airway management products, including disposable anesthesia breathing circuits and accessories; assisted reproduction products; diabetes solutions; drainage systems; infusion systems; interventional imaging products; pain management products; patient monitoring systems; and pressure monitoring systems. It also offers respiratory products, such as tracheostomy tubes and accessories, arterial blood gas systems, bronchial hygiene, lung expansion products, active humidification and nebulization systems, open and closed suction catheters, manual resuscitators, and passive humidification and filtration products, as well as oxygen/aerosol masks, cannulas, tubing, and nebulizers; safety devices; temperature management products; tracheostomy tubes; vascular access products; and ventilators. The company has manufacturing facilities in the United States, the United Kingdom, Mexico, and Italy. It has operations in Carlsbad, California; Dublin, Ohio; Duluth, Georgia; Gary, Indiana; Keene, New Hampshire; Rockland, Massachusetts; St. Paul, Minnesota; Southington, Connecticut; Vernon Hills, Illinois; Wampsville, New York; Waukesha, Wisconsin; and Monterrey and Tijuana, Mexico. The company was founded as Portland Plastics in 1940 and changed its name to Smiths Medical. The company is based in London, the United Kingdom. Smiths Medical is a subsidiary of Smiths Group plc.