Medtronic (NYSE:MDT), one of the largest medical-device players on the planet, reported its fourth-quarter earnings today, and investors were clearly pleased with the results. Shares were up 4.9% by the market close, and this stock is up more than 30% over the past 12 months. But which segments drove the company's business in Q4? How did Medtronic's results measure up against its medical-device peers, like Boston Scientific (NYSE:BSX) and St. Jude Medical (NYSE:STJ)? Health-care analyst Max Macaluso discusses these topics in the following video.

Max Macaluso, Ph.D., has no position in any stocks mentioned. The Motley Fool owns shares of Medtronic. Try any of our Foolish newsletter services free for 30 days. We Fools don't all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.