Japan Lifeline Co., Ltd. is a Japan-based company mainly engaged in the import, manufacture and sale of cardiac circulators and other medical devices. The Company is mainly engaged in the production of rhythm devices, electrophysiological (EP) and ablations, surgical products and intervention products. The rhythm devices include cardiac pacemakers, implantable cardioverter defibrillator (ICD), cardiac resynchronization therapy defibrillator (CRT-D) and other rhythm devices. The EP and ablations include EP catheters for cardiac arrhythmia examination, ablation catheters for arrhythmia treatment and other EP and ablations. The surgical products include prosthetic heart valves and annuloplasty rings for heart disease surgical treatment, vascular grafts, open stent grafts and stent grafts for aortic disease treatment, as well as other surgical products. The intervention products include balloon catheters, guide wires, penetration catheters and other intervention products.