Boston Scientific Corp. engages in the development, manufacture and marketing of medical devices that are used in interventional medical specialties. It operates through the following segments: Rhythm and Neuro, Cardiovascular and MedSurg. The Rhythm and Neuro segment develops implantable devices that monitor the heart and deliver electricity to treat cardiac abnormalities. The Cardiovascular segment comprises of technologies or diagnosing and treating coronary artery disease and other cardiovascular disorders including structural heart conditions. The MedSurg segment focuses on Endoscopy, which provides devices to diagnose and treat a broad range of gastrointestinal and pulmonary conditions with innovative and invasive technologies.