Abbott Laboratories is engaged in the discovery, development, manufacture, and sale of a range of health care products. It has four segments: Pharmaceutical Products, Nutritional Products, Diagnostic Products, and Vascular Products. The Pharmaceutical Products segment’s products include a line of adult and pediatric pharmaceuticals manufactured, marketed and sold worldwide. The Diagnostic Products segment’s products include diagnostic systems and tests manufactured, marketed and sold worldwide to blood banks, hospitals, commercial laboratories. The Nutritional Products segment’s products include a line of pediatric and adult nutritional products manufactured, marketed, and sold worldwide. The Vascular Products segment’s products include a line of coronary, endovascular, and vessel closure devices manufactured, marketed and sold worldwide. In January 2009, it acquired Ibis Biosciences, Inc. In February 2009, it acquired Advanced Medical Optics. In October 2009, it acquired Visiogen.