Many corporate giants count on billion-dollar blockbuster products, from Coca-Cola to the iPad, to make money. Covidien, on the other hand, has stitched together a bulging catalog of more than 50,000 obscure health products, ranging from surgical instruments to bandages, that together generate billions of dollars in sales a year. Solid sales and profit growth drove Covidien to the 16th position on the 2012 Globe 100 rankling - the highest for a medical devices company this year.