Atrion Corporation is engaged in the development and manufacture of products primarily for medical applications. The Company's medical products primarily serve the fluid delivery, cardiovascular and ophthalmology markets. It has developed a variety of valves designed to fill, hold and release controlled amounts of fluids or gasses on demand for use in various intubation, intravenous, catheter and other applications in fields, such as anesthesia and oncology. The Company's cardiovascular product, Myocardial Protection System (MPS3), is a technology used in open-heart surgery that delivers fluids and medications, mixes critical drugs, and controls temperature and pressure. Its ophthalmic products include specialized medical devices that disinfect contact lenses. It also manufactures a line of balloon catheters used in the treatment of nasolacrimal duct obstruction in children and adults. Its medical and non-medical products are manufactured at facilities in Florida, Alabama and Texas.