Japan Lifeline Co., Ltd. imports, develops, produces, and distributes various medical devices. It provides cardiac rhythm devices, including cardiac pacemakers and implantable cardioverter defibrillators; electrophysological and ablation catheters; cardiovascular surgery products comprising prosthetic heart valves, vascular grafts, composite grafts, and artificial lungs; and transvascular intervention products, such as coronary dilatation balloon catheters and guide wires. The company was founded in 1981 and is based in Tokyo, Japan.