MEDIANA Co., Ltd. engages in the manufacture and sale of patient monitoring devices. Its products include monitor and defibrillator, automated external defibrillator, electrocardiogram, fetal products, server and network solutions, pulse oximeter, vital signs monitor, patient monitor, accuvein, ventilator, and fluke. The company was founded by Moon-Jong Khil on June 19, 1995 and is headquartered in Wonju-si, South Korea.