Greatbatch, Inc. manufactures and develops medical devices and components for large original equipment manufacturers (OEMs). The Company operates through three segments: Greatbatch Medical, QiG and Lake Region Medical. The Greatbatch Medical segment designs and manufactures products, and has manufacturing and assembly operations, primarily for the cardiac, neuromodulation, orthopedic, portable medical, vascular, energy, environmental and military markets. The QiG segment focuses on the design and development of medical device systems and components through a network of research and development professionals. The Lake Region Medical segment specializes in the design, development, and manufacturing of products across the medical component and device spectrum, primarily serving the cardio, vascular and advanced surgical markets. Its products include introducers, steerable sheaths, specialty catheter shaft components, cases and trays, implants and instruments.