Atrion Corporation, together with its subsidiaries, develops, manufactures, and sells fluid delivery devices, and ophthalmic and cardiovascular products for medical applications primarily in the United States, Canada, and internationally. The company’s fluid delivery products comprise luer syringe check valves and one-way valves; tubing clamps; and specialized intravenous sets that are used in anesthesia and oncology applications. Its cardiovascular products include MPS2 Myocardial Protection System that delivers essential fluids and medications to the heart during open-heart surgery; cardiac surgery vacuum relief valves; silicone vessel loops for retracting and occluding vessels in invasive surgical procedures; and inflation devices for balloon catheter dilation, stent deployment, and fluid dispensing, as well as products that are used in heart bypass surgery to make a precision opening in the heart for attachment of the bypass vessels. The company’s ophthalmic products comprise contact lens disinfection cases; and a line of balloon catheters that are used for the treatment of nasolacrimal duct obstruction in children and adults. It also manufactures instrumentation and associated disposables, which measures the activated clotting time of blood; and a line of products designed for safe needle and scalpel blade containment. In addition, the company produces inflation systems and valves, which are used in marine and aviation safety products; and one-way and two-way pressure relief valves for use on electronics cases, munitions cases, pressure vessels, transportation container cases, escape slides, and other medical and non-medical applications. Atrion Corporation sells its products to physicians, hospitals, clinics, and other treatment centers, as well as other equipment manufacturers through direct sales personnel, independent sales representatives, and distributors. The company was founded in 1944 and is based in Allen, Texas.