Japan Lifeline Co Ltd is a medical device company operating in Japan. It is engaged in the trading and manufacturing of medical devices specialized in the cardiovascular field. The company offers medical devices mainly for the treatment of cardiac and vascular diseases. It focuses on providing implantable devices to treat arrhythmias; disposable catheter devices with electrodes for diagnosis and treatment of arrhythmias; prosthetic devices to replace blood vessels and heart valves that lost their functions; and devices for intravascular treatment of cardiac infarction, arterial occlusions of the lower extremities and congenital cardiac diseases.