With MAKO Surgical shares having taken a hit recently after a couple instances of lowering guidance, Motley Fool health care bureau chief Brenton Flynn took a look in a recent video at 2 key statistics to watch ahead of MAKO's third quarter earnings release: How many new sales of its  robotic surgical systems did it make to hospitals this quarter, and how many procedures per month did these systems perform once they were installed? Now that the earnings have come out, Flynn breaks down his benchmarks for how the company needed to perform in these two vital areas, how it surpassed his expectations in one regard, and why he's still cautiously optimistic.
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