In this video, Motley Fool health care analyst Brenton Flynn takes a look at the medical robotics space and the three key players in it -- Intuitive Surgical (NASDAQ:ISRG), MAKO Surgical (NASDAQ:MAKO), and Hansen Medical (NASDAQ:HNSN) -- and gives us some insight into some of the key factors impacting each company's commercial activities. Here's a hint: Patients receive more value from Intuitive procedures, and doctors know it.