With the JPMorgan health care conference in progress, a number of the presenting companies have released new information to investors, including MAKO Surgical (MAKO +0.00%). In the press release, the company gave us a few select pieces of information from its upcoming fourth-quarter earnings report, and the results once again seem mixed. In this video segment, Motley Fool health care bureau chief Brenton Flynn takes us through the key takeaways from this report and what he'll be watching for during the company's presentation.